Updated on 2026/03/11

写真a

 
YATSU YOICHI
 
Organization
School of Science Associate Professor
Title
Associate Professor
External link

News & Topics
  • Development of the Demonstration Satellite HIBARI with Variable Shape Attitude Control Launching as a Demonstration Theme aboard for JAXA Innovative Satellite Technology Demonstration-2

    2021/11/05

    Languages: English

      More details

    Main Point - The 50 kg class variable shape demonstration satellite HIBARI was developed, and it will be launched from the JAXA Uchinoura Spa

  • 産学連携でつくるオーロラ観測用紫外線カメラ打ち上げへ

    2021/09/29

    Languages: Japanese

      More details

    東京工業大学とエイブリック株式会社(代表取締役社長:石合信正、本社:東京都港区、以下「ABLIC」)は、超小型衛星搭載用のオーロラ観測用紫外線カメラUVCAM(図1)を共同開発しました。このカメラは東工大が開発した可変形状実証衛星「ひばり」に搭載し、宇宙航空研究開発機構(以下「JAXA」)の革新的衛

  • 可変形状姿勢制御実証衛星「ひばり」を開発 JAXA革新的衛星技術実証2号機の実証テーマとして打ち上げへ

    2021/09/29

    Languages: Japanese

      More details

    要点-50kg級可変形状実証衛星「ひばり」を開発、10月1日以降にJAXA内之浦宇宙空間観測所から打ち上げられる。-4枚の可動太陽電池パドルを持ち、パドルを動かすことで衛星の高速姿勢制御や軌道制御を行うVSAC装置の実証実験を行う。-エイブリック株式会社と共同開発した紫外線カメラを搭載し、衛星軌道上

  • 産学連携のチームによる陸・海観測超小型衛星プロジェクト 食料問題解決に貢献する宇宙ビジネスの実証を目指す

    2020/07/13

    Languages: Japanese

      More details

    要点-産学連携チームによる、マルチスペクトルカメラを搭載した陸・海観測超小型衛星計画を提案。-JAXAの革新的衛星技術実証3号機の実証テーマとして採択され、2022年度に打ち上げ予定。-漁業・農業分野でのデータ利用や環境モニタリングを通じ、世界の食料問題解

  • Deep Learning Attitude Sensor provides real-time image recognition from satellite orbit JAXA Epsilon-4 to launch with experimental Earth sensor and star tracker developed by Tokyo Tech

    2019/01/18

    Languages: English

      More details

    Researchers at Tokyo Tech have developed a low-cost star tracker and Earth sensor made from commercially available components. The star tracker is designed for use with micro-satellites in handling calibration observations, operation verification tests, and long-term performance monitoring during orbit.

  • 深層学習でリアルタイム軌道上画像識別を実現 超小型衛星用センサの宇宙での実証実験開始へ

    2018/12/25

    Languages: Japanese

      More details

    民生品を使った安価な超小型衛星用のセンサ群を開発 画期的な新規手法で人工衛星の姿勢制御や画像識別をめざす 日本発の超小型衛星搭載品供給により民間宇宙産業の市場拡大期待

  • ロシアのロケットで超小型衛星を打ち上げ ブラックホール生成やガンマ線放射機構を探る

    2012/05/16

    Languages: Japanese

      More details

    東京工業大学大学院理工学研究科の松永三郎教授(宇宙航空研究開発機構〈JAXA〉連携講座)と河合誠之教授および東京理科大学理工学部の木村真一教授らの研究グループは、50kg級の超小型衛星「TSUBAME」を開発、この衛星をロシアのドニエプルロケットを使って同国内オレンブルグ州ヤスネ宇宙基地から2012年末に打ち上げることが決まった。TSUBAMEは先進的な地球・天体観測技術の軌道上実証を目的とする衛星。具体的には①高速姿勢変更技術の実証②ガンマ線バーストの硬X線偏光観測③地上・海上および雲の高解像度可視観測―を主要ミッションとし、主に「ブラックホールが誕生する瞬間」の極限の物理現象の解明を狙っている。

  • 共食いする“毒蜘蛛”中性子星を発見

    2012/03/22

    Languages: Japanese

      More details

    重い星がその一生を終える時、巨大な爆発とともに半径10キロm程の小さな「核(コア)」が残る。その密度は1立方センチあたり10億tにも相当し、さながら巨大な原子核にも例えられ「中性子」星と呼ばれる。近年、日米欧が開発したフェルミ衛星は、強いガンマ線を放射するにも関わらず、他の波長では全く知られていない謎の天体を発見した。その正体を明かすべく我々は全国の天文台やX線天文衛星すざくを総動員した観測キャンペーンを実施、その結果4.63時間の周期で明るさが40倍も変化する激しい強度変動を得た。他方、電波で対応する天体は相変わらず発見されていない。この周期は中性子星が連星系を為すことを示唆し、伴星の質量は太陽の1/10程度と軽い。これは、中性子から吹き出す強力な風で伴星が溶かされ、今まさに蒸発しつつあることを示唆する。電波で検出されていない事実と併せ、新種のパルサー天体を発見した可能性が高い。

▼display all

Research Interests

  • Astrophysics, Time-domain Astronomy, small satellites, robot telescope, radiation detectors

Research Areas

  • Natural Science / Experimental studies related to particle-, nuclear-, cosmic ray and astro-physics

  • Frontier Technology (Aerospace Engineering, Marine and Maritime Engineering) / Aerospace engineering

  • Natural Science / Astronomy

Papers

  • On-orbit demonstration of near real-time communication via Globalstar for time-domain astronomy

    Katsuki Tashiro, Shogo Nerome, Minori Fukuda, Hibiki Seki, Yusaku Ozeki, Hiroyuki Kobayashi, Yuki Amaki, Daiki Kobayashi, Kiyona Miyamoto, Kei Watanabe, Toshihiro Chujo, Hiroki Nakanishi, Satoru Ozawa, Saburo Matunaga, Yoichi Yatsu

    Acta Astronautica   240   208 - 218   2026.3

     More details

    Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.actaastro.2025.12.003

    researchmap

  • Spectral and photometric variability of SS 433 observed with XRISM and simultaneous optical and near-infrared telescopes

    Yusuke Sakai, Shinya Yamada, Yuta Okada, Toshihiro Takagi, Tomoya Usuki, Megumi Shidatsu, Shogo B Kobayashi, Robert Petre, Yoshihiro Ueda, Hideki Uchiyama, Miho Tan, Taro Kotani, Taichi Igarashi, Mami Machida, Haruka Sakemi, Nobuyuki Kawai, Daiki Miura, Hiroya Yamaguchi, Kanta Fujiwara, Daichi Hiramatsu, Keisuke Isogai, Chulsoo Kang, Mariko Kimura, Katsuhiro L Murata, Takahiro Nagayama, Taichi Nakamoto, Kosuke Namekata, Yuki Niida, Yuu Niino, Masafumi Niwano, Kyuseok Oh, Shigeyuki Sako, Mahito Sasada, Hiromasa Suzuki, Kenta Taguchi, Ichiro Takahashi, Miyu Uenishi, Yoichi Yatsu, Marina Yoshimoto

    Publications of the Astronomical Society of Japan   2026.2

     More details

    Publishing type:Research paper (scientific journal)   Publisher:Oxford University Press (OUP)  

    Abstract

    We present results from coordinated multiwavelength observations of the microquasar SS 433, obtained with XRISM, optical telescopes (Seimei, LCO, Tomo-e Gozen, MITSuME), and the kSIRIUS near-infrared camera during 2024 April and 2025 March. The XRISM exposures amounted to ${\sim}200$ ks in 2024 and ~100 ks in 2025, corresponding to different combinations of orbital and precessional phases. With XRISM/Resolve’s high spectral resolution and large effective area, we clearly resolved numerous emission lines even in short time segments, achieving improved accuracy in Doppler-shift measurements relative to earlier observations. The simultaneously obtained X-ray and optical Doppler shifts suggest a possible tendency for the optical emission to lag slightly behind the X-rays. In the Resolve data, the Doppler shifts of the two jet components exhibited apparent asymmetries, with jet speeds fluctuating around ${\sim}0.26 \pm 0.01c$ in 2024 and ${\sim}0.30 \pm 0.01c$ in 2025. The velocity variations indicated modulations on a timescale of ~6.3 d, with a phase offset of about $-90^{\circ }$ relative to the nutation cycle. The observed line widths and flux of the approaching and receding jets appear consistent with the expected geometrical effects, indicating systematically larger line widths in the inner regions of the jets, as proposed by Shidatsu et al. (2025, PASJ, 77, 1313). Optical light curves show flares of ~400 s in 2024 and ~1600 s in 2025, with amplitudes up to ~15% during out-of-eclipse intervals, while the XRISM/Xtend light curves show no significant variability within the overlapping intervals and given the statistical uncertainties. Near-infrared photometry in 2024, obtained during an out-of-eclipse interval at a different epoch from the optical observations, showed no flare-like variability, and the X-ray band also remained constant within uncertainties. These coordinated observations provide a foundation for future XRISM studies aimed at probing the dynamical properties of the relativistic jets in SS 433.

    DOI: 10.1093/pasj/psaf152

    researchmap

  • Revisiting the ARM cut in Compton gamma-ray imaging and its application to the INSPIRE detector

    J. Kataoka, S. Ogasawara, R. Mori, K. Yamamoto, A.R. Joshi, S. Kojima, K. Sato, K.S. Tanaka, K. Watanabe, M. Yasuda, H. Kobayashi, D. Kobayashi, A. Ohira, Y. Amaki, Y. Arai, K. Tashirio, K. Otsubo, Y. Ozeki, Y. Kawaguchi, D. Yoshimura, H. Yoshida, K. Takahashi, S. Masaki, N. Yamada, K. Oikawa, E. Zamami, K. Miyamoto, T. Chujo, H. Nakanishi, T. Tomura, S. Hayatsu, M. Fukuda, H. Seki, S. Joshima, Y. Yatsu

    Journal of Instrumentation   20 ( 10 )   P10009 - P10009   2025.10

     More details

    Publishing type:Research paper (scientific journal)   Publisher:IOP Publishing  

    Abstract

    The Compton camera is a gamma-ray imaging device developed in the 1970s. In the 1990s, the COMPTEL detector onboard the CGRO was the first to utilize a Compton camera for MeV all-sky survey observations. Recently, various Compton cameras have been developed using scintillators, semiconductors, and gas detectors, some of which are intended for future small satellite missions as well as medical applications. However, the image obtained by a Compton camera has strong artifacts owing to the overlap of the Compton cones or the arcs, which degrade the resolution and sensitivity of the image. In this study, we revisit the adaptive ARM cut that significantly reduces artifacts when the direction of gamma ray emitting source is already known. This approach complements the statistically well-defined method based on the response function in the three-dimensional data space of scattering direction (χ, ψ) and scattering angle θ, but it is more direct, intuitive, and simplifies the extraction of spectra in astronomical observations of point-like sources. Using a Compton camera, INSPIRE, onboard the ultra-small satellite GRAPHIUM as an example, we numerically evaluated the extent of background reduction to estimate simulation-based sensitivity. The method was also applied to actual measurements using a quarter-scale prototype of INSPIRE to extract spectra from multiple sources within the same field of view.

    DOI: 10.1088/1748-0221/20/10/p10009

    researchmap

    Other Link: https://iopscience.iop.org/article/10.1088/1748-0221/20/10/P10009/pdf

  • Development of a wide-band gamma-ray camera onboard a 50 kg-Class small satellite GRAPHIUM

    R. Mori, J. Kataoka, K. Tanaka, T. Suga, S. Ogasawara, K. Yamamoto, A. Joshi, T. Kanda, Y. Yatsu, T. Chujo, H. Nakanishi, T. Tomura, K. Miyamoto, K. Watanabe, H. Kobayashi, Y. Amaki, K. Takahashi, M. Yasuda, D. Kobayashi, K. Otsubo, Y. Arai, D. Yoshimura, Y. Ozeki, K. Tashiro, S. Hayatsu, Y. Kawaguchi, H. Yoshida, M. Fukuda, H. Seki, S. Joshima, M. Onishi, S. Takeda

    Journal of Instrumentation   2025.9

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1088/1748-0221/20/09/C09005

    researchmap

  • The possible long-term periodic variability of the extremely luminous quasar WISE J090924.01+000211.1

    Takashi Horiuchi, Yoshiki Toba, Toru Misawa, Katsuhiro L Murata, Keisuke Isogai, Yoichi Yatsu, Ichiro Takahashi, Mahito Sasada, Masafumi Niwano, Narikazu Higuchi, Shunsuke Hayatsu, Hibiki Seki, Yumiko Oasa, Rikuto Sato

    Publications of the Astronomical Society of Japan   2025.2

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/pasj/psae109

    researchmap

  • Astronomical 6U CubeSat mission VERTECS: scientific objective and project status International coauthorship International journal

    Kei Sano, Takao Nakagawa, Shuji Matsuura, Koji Takimoto, Aoi Takahashi, Tetsuhito Fuse, Rodrigo Cordova, Victor Hugo Schulz, Pooja Lepcha, Necmi Cihan Örger, Daisuke Nakayama, Joseph Ofosu, Reynel Josue Galindo Rosales, Eyoas E. Areda, Pema Zangmo, Ezra Fielding, Keenan A. A. Chatar, Yukihisa Otani, Hisataka Kawasaki, Bastien B. A. Morelle, John Almonte, Shunsuke Nakagawa, Yuto Tome, Shohei Karaki, Chinathip Narongphun, Hari Shrestha, Marco Rosa, David Dai, Wenceslao Bejarano, Akihiro Ikeda, Rin Sato, Kentaro Hayashida, Hiroki Miyagawa, Masahiro Nishioka, Kana Kurosaki, Isami Kato, Satoshi Ikari, Kohji Tsumura, Ichiro Jikuya, Hideo Matsuhara, Umi Enokidani, Hayato Tanaka, Yuki Hirose, Akimasa Ojika, Akane Tsumoto, Taiko Iwaki, Yuki Ohara, Mengu Cho, Kentaro Kitamura, Hirokazu Masui, Mariko Teramoto, Takashi Yamauchi, Ryo Hashimoto, Emino Fukumoto, Zamba Leonel, Arisa Oho, Shoki Yabumoto, Hayato Masuno, Chisato Arakawa, Kouta Miyamoto, Takehiko Wada, Naoki Isobe, Yasuyuki Miyazaki, Ryu Funase, Hajime Kawahara, Keiichi Hirako, Yoichi Yatsu, Yoshihide Aoyanagi

    Proceedings of the SPIE, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave   13092   130920W   2024.8

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:SPIE  

    DOI: 10.1117/12.3014708

    researchmap

  • MeV gamma-ray detector on the 50-kg class satellite

    Kazuo Tanaka, Jun Kataoka, Ryoji Iwashita, Ryohei Mori, Tomoya Suga, Shojun Ogasawara, Moeri Tao, Yoichi Yatsu, Chujo Toshihiro, Shinichiro Takeda, Mitsunobu Onishi

    Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray   98 - 98   2024.8

     More details

    Publishing type:Research paper (international conference proceedings)   Publisher:SPIE  

    DOI: 10.1117/12.3012069

    researchmap

  • Wide-band x-ray observatory for the time domain astronomy era: CHRONOS

    Kazuhiro Nakazawa, Teruaki Enoto, Wataru B. Iwakiri, Megumi Shidatsu, Hiromitsu Takahashi, Takashi Okajima, Manabu Ishida, Hiromasa Suzuku, Hiroya Yamaguchi, Shin Watanabe, Mariko Kimura, Hiroshi Nakajima, Takaaki Tanaka, Hiroyuki Uchida, Yoshihiro Ueda, Takeshi G. Tsuru, Kosuke Namekata, Koji Mori, Masayoshi Nobukawa, Hironori Matsumoto, Hiroki Akamatsu, Taiki Kawamuro, Satoshi Yamada, Yukikatsu Terada, Yoichi Yatsu, Hirofumi Noda

    Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray   92 - 92   2024.8

     More details

    Publishing type:Research paper (international conference proceedings)   Publisher:SPIE  

    DOI: 10.1117/12.3018366

    researchmap

  • Principle and demonstration of novel pointing direction metrology system for high-resolution x-ray imaging

    Leo Terada, Ikuyuki Mitsuishi, Yoichi Yatsu

    Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray   214 - 214   2024.8

     More details

    Publishing type:Research paper (international conference proceedings)   Publisher:SPIE  

    DOI: 10.1117/12.3020852

    researchmap

  • Flight Model Development and Ground Tests of Variable-Shape Attitude Control Demonstration MicroSatellite HIBARI Reviewed

    Kei WATANABE, Hiroyuki KOBAYASHI, Yuki AMAKI, Naoki KAWAGUCHI, Soichi SATO, Kenichiro TAKAHASHI, Yuta SASAGAWA, Fumitaka SAGAWA, Shogo NEROME, Kiyona MIYAMOTO, Yoichi YATSU, Toshihiro CHUJO, Saburo MATUNAGA, Development Team HIBARI

    Journal of Evolving Space Activities   1   103   2024.2

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.57350/jesa.103

    researchmap

  • High-speed readout system of X-ray CMOS image sensor for time domain astronomy

    Naoki Ogino, Makoto Arimoto, Tatsuya Sawano, Daisuke Yonetoku, Hsien Chieh Shen, Takanori Sakamoto, Junko S. Hiraga, Yoichi Yatsu, Tatehiro Mihara

    Journal of Instrumentation   19 ( 1 )   2024.1

  • Evolution of accretion disk structure of the black hole X-ray binary MAXI J1820+070 during the rebrightening phase

    Yoshitake, T., Shidatsu, M., Ueda, Y., Nogami, D., Murata, K.L., Higuchi, N., Isogai, K., Maehara, H., Mineshige, S., Negoro, H., Kawai, N., Yatsu, Y., Sasada, M., Takahashi, I., Niwano, M., Saito, T., Takayama, M., Oasa, Y., Takarada, T., Shigeyoshi, T.

    Publications of the Astronomical Society of Japan   76 ( 2 )   2024

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/pasj/psae005

    Scopus

    researchmap

  • INSPIRE: Challenge of 50 kg-class satellite to open up MeV gamma-ray astronomy

    Kataoka, J., Iwashita, R., Tanaka, K.S., Mori, R., Ogasawara, S., Suga, T., Koshikawa, N., Watanabe, K., Yasuda, M., Kobayashi, H., Kobayashi, D., Otsubo, K., Ohira, A., Amaki, Y., Arai, Y., Tashiro, K., Ozeki, Y., Kawaguchi, Y., Yoshimura, D., Yoshida, H., Takahashi, K., Yatsu, Y., Chujo, T., Nakanishi, H., Onishi, M., Takeda, S.

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   1065   2024

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.nima.2024.169518

    Scopus

    researchmap

  • Optical and X-ray variations during five outbursts of Aql X-1 in 3.6 yr from 2016

    Niwano, M., Murata, K.L., Ito, N., Yatsu, Y., Kawai, N.

    Monthly Notices of the Royal Astronomical Society   525 ( 3 )   4358 - 4366   2023

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/mnras/stad2561

    Scopus

    CiNii Research

    arXiv

    researchmap

  • A broadband x-ray imaging spectroscopy in the 2030s: the FORCE mission

    Koji Mori, Takeshi G. Tsuru, Kazuhiro Nakazawa, Yoshihiro Ueda, Shin Watanabe, Takaaki Tanaka, Manabu Ishida, Hironori Matsumoto, Hisamitsu Awaki, Hiroshi Murakami, Masayoshi Nobukawa, Ayaki Takeda, Yasushi Fukazawa, Hiroshi Tsunemi, Tadayuki Takahashi, Ann E. Hornschemeier, Takashi Okajima, William W. Zhang, Brian J. Williams, Tonia Venters, Kristin Madsen, Mihoko Yukita, Hiroki Akamatsu, Aya Bamba, Teruaki Enoto, Yutaka Fujita, Akihiro Furuzawa, Kouichi Hagino, Kosei Ishimura, Masayuki Itoh, Tetsu Kitayama, Shogo B. Kobayashi, Takayoshi Kohmura, Aya Kubota, Misaki Mizumoto, Tsunefumi Mizuno, Hiroshi Nakajima, Kumiko K. Nobukawa, Hirofumi Noda, Hirokazu Odaka, Naomi Ota, Toshiki Sato, Megumi Shidatsu, Hiromasa Suzuki, Hiromitsu Takahashi, Atsushi Tanimoto, Yukikatsu Terada, Yuichi Terashima, Hiroyuki Uchida, Yasunobu Uchiyama, Hiroya Yamaguchi, Yoichi Yatsu

    Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray   2022.8

     More details

    Publisher:SPIE  

    In this multi-messenger astronomy era, all the observational probes are
    improving their sensitivities and overall performance. The Focusing on
    Relativistic universe and Cosmic Evolution (FORCE) mission, the product of a
    JAXA/NASA collaboration, will reach a 10 times higher sensitivity in the hard
    X-ray band ($E >$ 10~keV) in comparison with any previous hard X-ray missions,
    and provide simultaneous soft X-ray coverage. FORCE aims to be launched in the
    early 2030s, providing a perfect hard X-ray complement to the ESA flagship
    mission Athena. FORCE will be the most powerful X-ray probe for discovering
    obscured/hidden black holes and studying high energy particle acceleration in
    our Universe and will address how relativistic processes in the universe are
    realized and how these affect cosmic evolution. FORCE, which will operate over
    1--79 keV, is equipped with two identical pairs of supermirrors and wideband
    X-ray imagers. The mirror and imager are connected by a high mechanical
    stiffness extensible optical bench with alignment monitor systems with a focal
    length of 12~m. A light-weight silicon mirror with multi-layer coating realizes
    a high angular resolution of $<15''$ in half-power diameter in the broad
    bandpass. The imager is a hybrid of a brand-new SOI-CMOS silicon-pixel detector
    and a CdTe detector responsible for the softer and harder energy bands,
    respectively. FORCE will play an essential role in the multi-messenger
    astronomy in the 2030s with its broadband X-ray sensitivity.

    DOI: 10.1117/12.2628772

    arXiv

    researchmap

    Other Link: http://arxiv.org/pdf/2303.07577v1

  • Flight Model Development and Operation Plan of Micro-Satellite HIBARI for Variable Shape Attitude Control Demonstration

    WATANABE Kei, KOBAYASHI Hiroyuki, KAWAGUCHI Naoki, SATO Soich, NEROME Shogo, AMAKI Yuki, SAGAWA Fumitaka, SASAGAWA Yuta, TAKAHASHI Kenichiro, MIYAMOTO Kiyona, CHUJO Toshihiro, YATSU Yoichi, MATUNAGA Saburo

    The Proceedings of the Space Engineering Conference   2021.30   A11   2022

     More details

    Language:Japanese   Publisher:The Japan Society of Mechanical Engineers  

    We have developed a 50kg class microsatellite "HIBARI". The mission of this satellite is to demonstrate a novel attitude control method for microsatellites which is called “Variable Shape Attitude Control (VSAC).” VSAC is a method using anti-torque by driving variable shape structures. HIBARI has four drivable solar array paddles, and demonstrates rapid attitude control using the reaction force that moves them. HIBARI was adopted as the demonstration theme of the Japan Aerospace Exploration Agency (JAXA) Innovative Satellite Technology Demonstration-2, and will be launched by Epsilon Rocket. This paper describes the HIBARI project outline, system design, Flight Model development and on-orbit demonstration plan.

    DOI: 10.1299/jsmesec.2021.30.a11

    CiNii Research

    researchmap

  • J-GEM optical and near-infrared follow-up of gravitational wave events during LIGO’s and Virgo’s third observing run

    Mahito Sasada, Yousuke Utsumi, Ryosuke Itoh, Nozomu Tominaga, Masaomi Tanaka, Tomoki Morokuma, Kenshi Yanagisawa, Koji S Kawabata, Takayuki Ohgami, Michitoshi Yoshida, Fumio Abe, Ryo Adachi, Hiroshi Akitaya, Yang Chong, Kazuki Daikuhara, Ryo Hamasaki, Satoshi Honda, Ryohei Hosokawa, Kota Iida, Fumiya Imazato, Chihiro Ishioka, Takumi Iwasaki, Mingjie Jian, Yuhei Kamei, Takahiro Kanai, Hidehiro Kaneda, Ayane Kaneko, Noriyuki Katoh, Nobuyuki Kawai, Keiichiro Kubota, Yuma Kubota, Hideo Mamiya, Kazuya Matsubayashi, Kumiko Morihana, Katsuhiro L Murata, Takahiro Nagayama, Noriatsu Nakamura, Tatsuya Nakaoka, Yuu Niino, Yuki Nishinaka, Masafumi Niwano, Daisaku Nogami, Yumiko Oasa, Miki Oeda, Futa Ogawa, Ryou Ohsawa, Kouji Ohta, Kohei Oide, Hiroki Onozato, Shigeyuki Sako, Tomoki Saito, Yuichiro Sekiguchi, Toshikazu Shigeyama, Takumi Shigeyoshi, Minori Shikauchi, Kazuki Shiraishi, Daisuke Suzuki, Kengo Takagi, Jun Takahashi, Takuya Takarada, Masaki Takayama, Himeka Takeuchi, Yasuki Tamura, Ryoya Tanaka, Sayaka Toma, Miyako Tozuka, Nagomi Uchida, Yoshinori Uzawa, Masayuki Yamanaka, Moeno Yasuda, Yoichi Yatsu

    Progress of Theoretical and Experimental Physics   2021 ( 5 )   2021.5

  • A GPU-accelerated image reduction pipeline

    Masafumi Niwano, Katsuhiro L. Murata, Ryo Adachi, Sili Wang, Yutaro Tachibana, Yoichi Yatsu, Nobuyuki Kawai, Takashi Shimokawabe, Ryosuke Itoh

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   73 ( 1 )   14 - 24   2021.2

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/pasj/psaa091

    Web of Science

    Scopus

    researchmap

  • Development of an FPGA-based Readout System of CMOS Image Sensor toward Future Satellite Missions

    Naoki Ogino, Makoto Arimoto, Tatsuya Sawano, Daisuke Yonetoku, Hatsune Goto, Takeru Fujii, Junko S. Hiraga, Kensyo Sei, Ayumi Yamamoto, Takanori Sakamoto, Yoichi Yatsu, Tatehiro Mihara

    2021 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2021 and 28th International Symposium on Room-Temperature Semiconductor Detectors, RTSD 2022   2021

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/NSS/MIC44867.2021.9875480

    Scopus

    researchmap

  • Attitude Determination Algorithm Using Earth Sensor Images and Image Recognition

    Yuhei Kikuya, Yohei Iwasaki, Yoichi Yatsu, Saburo Matunaga

    Transactions of the Japan Society for Aeronautical and Space Sciences   64 ( 2 )   82 - 90   2021

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.2322/TJSASS.64.82

    Scopus

    researchmap

  • Origin of the in-orbit instrumental background of the Hard X-ray Imager onboard Hitomi

    Kouichi Hagino, Hirokazu Odaka, Goro Sato, Tamotsu Sato, Hiromasa Suzuki, Tsunefumi Mizuno, Madoka Kawaharada, Masanori Ohno, Kazuhiro Nakazawa, Shogo B. Kobayashi, Hiroaki Murakami, Katsuma Miyake, Makoto Asai, Tatsumi Koi, Greg Madejski, Shinya Saito, Dennis H. Wright, Teruaki Enoto, Yasushi Fukazawa, Katsuhiro Hayashi, Jun Kataoka, Junichiro Katsuta, Motohide Kokubun, Philippe Laurent, François Lebrun, Olivier Limousin, Daniel Maier, Kazuo Makishima, Kunishiro Mori, Takeshi Nakamori, Toshio Nakano, Hirofumi Noda, Masayuki Ohta, Rie Sato, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Shin'Ichiro Takeda, Takaaki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Kazutaka Yamaoka, Yoichi Yatsu, Takayuki Yuasa

    Journal of Astronomical Telescopes, Instruments, and Systems   6 ( 4 )   2020.10

  • A wide-band X-ray observatory FORCE: Current status of science study and mission proposal

    Nakazawa K., Mori K., Tsuru T. G., Ueda Y., Ishida M., Matsumoto H., Awaki H., Murakami H., Terada Y., Kubota A., Bamba A., Odaka H., Yatsu Y., Kohmura T., Hagino K., Kobayashi S. B., Uchiyama Y., Kitayama T., Takahashi T., Watanabe S., Iizuka R., Yamaguchi H., Ohashi T., Nakajima M., Furuzawa A., Tanaka T., Uchida H., Noda H., Tsunemi H., Ito M., Nobukawa M., Nobukawa K., Ota N., Terashima Y., Fukazawa Y., Mizuno T., Takahashi H., Ohno M., Takeda A., Hornschemeier A. E., Okajima T., Zhang W. W., Williams B. J., the FORCE team

    Meeting Abstracts of the Physical Society of Japan   75.1   523 - 523   2020

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.75.1.0_523

    CiNii Research

    researchmap

  • Development of a fast readout system of a CMOS image sensor for the time-domain astronomy

    Naoki Ogino, Makoto Arimoto, Tatsuya Sawano, Daisuke Yonetoku, Hatsune Goto, Wang Hyeongsoon, Junko S. Hiraga, Takanori Sakamoto, Kensyo Sei, Yoichi Yatsu

    Proceedings of SPIE - The International Society for Optical Engineering   11444   2020

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2560605

    Scopus

    researchmap

  • High-redshift gamma-ray burst for unraveling the Dark Ages Mission - HiZ-GUNDAM -

    Daisuke Yonetoku, Tatehiro Mihara, Akihiro Doi, Takanori Sakamoto, Kohji Tsumura, Kunihito Ioka, Yusuke Amaya, Makoto Arimoto, Teruaki Enoto, Takeru Fujii, Hatsune Goto, Shuichi Gunji, Junko Hiraga, Hirokazu Ikeda, Nobuyuki Kawai, Shunsuke Kurosawa, Jin Li, Yoshitomo Maeda, Ikuyuki Mitsuishi, Toshio Murakami, Yujin Nakagawa, Naoki Ogino, Masanori Ohno, Tatsuya Sawano, Kensyo Sei, Motoko Serino, Satoshi Sugita, Toru Tamagawa, Keisuke Tamura, Takaaki Tanaka, Toru Tanimori, Makoto S. Tashiro, Hiroshi Tomida, Hyeongsoon Wang, Tomohiro Yamaguchi, Ayumi Yamamoto, Kazutaka Yamaoka, Makoto Yamauchi, Yoichi Yatsu, Atsumasa Yoshida, Daito Yuhi, Hiroshi Akitaya, Akihiko Fukui, Yoshifusa Ita, Hidehiro Kaneda, Koji Kawabata, Yoshikatsu Kawata, Miku Kurimata, Toshio Matsumoto, Shuji Matsuura, Akihiro Miyasaka, Kentaro Motohara, Norio Narita, Hirofumi Noda, Akisato Ohashi, Hirofumi Okita, Kei Sano, Masaomi Tanaka, Yuji Urata, Takehiko Wada, Hikaru Yamaguchi, Kenshi Yanagisawa, Michitoshi Yoshida, Katsuaki Asano, Kohei Inayoshi, Susumu Inoue, Hirotaka Ito, Hideyuki Izumiura, Norita Kawanaka, Tomoya Kinugawa, Shota Kisaka, Kenta Kiuchi, Koutarou Kyutoku, Jin Matsumoto, Akira Mizuta, Kohta Murase, Hiroki Nagakura, Shigehiro Nagataki, Yoshikazu Nakada, Takashi Nakamura, Yuu Niino, Yudai Suwa, Keitaro Takahashi, Takahiro Tanaka, Kenji Toma, Tomonori Totani, Ryo Yamazaki, Jun'ichi Yokoyama

    Proceedings of SPIE - The International Society for Optical Engineering   11444   2020

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2560603

    Scopus

    researchmap

  • GROWTH on S190425z: Searching Thousands of Square Degrees to Identify an Optical or Infrared Counterpart to a Binary Neutron Star Merger with the Zwicky Transient Facility and Palomar Gattini-IR

    Michael W. Coughlin, Tomás Ahumada, Shreya Anand, Kishalay De, Matthew J. Hankins, Mansi M. Kasliwal, Leo P. Singer, Eric C. Bellm, Igor Andreoni, S. Bradley Cenko, Jeff Cooke, Christopher M. Copperwheat, Alison M. Dugas, Jacob E. Jencson, Daniel A. Perley, Po Chieh Yu, Varun Bhalerao, Harsh Kumar, Joshua S. Bloom, G. C. Anupama, Michael C.B. Ashley, Ashot Bagdasaryan, Rahul Biswas, David A.H. Buckley, Kevin B. Burdge, David O. Cook, John Cromer, Virginia Cunningham, Antonino D'A, Richard G. Dekany, Alexandre Delacroix, Simone Dichiara, Dmitry A. Duev, Anirban Dutta, Michael Feeney, Sara Frederick, Pradip Gatkine, Shaon Ghosh, Daniel A. Goldstein, V. Zach Golkhou, Ariel Goobar, Matthew J. Graham, Hidekazu Hanayama, Takashi Horiuchi, Tiara Hung, Saurabh W. Jha, Albert K.H. Kong, Matteo Giomi, David L. Kaplan, V. R. Karambelkar, Marek Kowalski, Shrinivas R. Kulkarni, Thomas Kupfer, Frank J. Masci, Paolo Mazzali, Anna M. Moore, Moses Mogotsi, James D. Neill, Chow Choong Ngeow, Jorge Martínez-Palomera, Valentina La Parola, M. Pavana, Eran O. Ofek, Atharva Sunil Patil, Reed Riddle, Mickael Rigault, Ben Rusholme, Eugene Serabyn, David L. Shupe, Yashvi Sharma, Avinash Singh, Jesper Sollerman, Jamie Soon, Kai Staats, Kirsty Taggart, Hanjie Tan, Tony Travouillon, Eleonora Troja, Gaurav Waratkar, Yoichi Yatsu

    Astrophysical Journal Letters   885 ( 1 )   2019.11

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/2041-8213/ab4ad8

    Scopus

    researchmap

  • Detection of polarized gamma-ray emission from the Crab nebula with the Hitomi Soft Gamma-ray Detector

    Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steven W. Allen, Lorella Angelini, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Aya Bamba, Marshall W. Bautz, Roger Blandford, Laura W. Brenneman, Gregory V. Brown, Esra Bulbul, Edward M. Cackett, Maria Chernyakova, Meng P. Chiao, Paolo S. Coppi, Elisa Costantini, Jelle De Plaa, Cor P. De Vries, Jan Willem Den Herder, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew C. Fabian, Carlo Ferrigno, Adam R. Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi C. Gallo, Poshak Gandhi, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Ilana M. Harrus, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Junko S. Hiraga, Ann Hornschemeier, Akio Hoshino, John P. Hughes, Yuto Ichinohe, Ryo Iizuka, Hajime Inoue, Yoshiyuki Inoue, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Masachika Iwai, Jelle Kaastra, Tim Kallman, Tsuneyoshi Kamae, Jun Kataoka, Satoru Katsuda, Nobuyuki Kawai, Richard L. Kelley, Caroline A. Kilbourne, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Katsuji Koyama, Shu Koyama, Peter Kretschmar, Hans A. Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, Shiu Hang Lee, Maurice A. Leutenegger, Olivier Limousin, Michael Loewenstein, Knox S. Long, David Lumb, Greg Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian R. McNamara, Missagh Mehdipour, Eric D. Miller, Jon M. Miller, Shin Mineshige

    Publications of the Astronomical Society of Japan   70 ( 6 )   2018.12

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/pasj/psy118

    Scopus

    researchmap

  • X-Ray, Optical, and Near-infrared Monitoring of the New X-Ray Transient MAXI J1820+070 in the Low/Hard State

    Megumi Shidatsu, Satoshi Nakahira, Satoshi Yamada, Taiki Kawamuro, Yoshihiro Ueda, Hitoshi Negoro, Katsuhiro L. Murata, Ryosuke Itoh, Yutaro Tachibana, Ryo Adachi, Yoichi Yatsu, Nobuyuki Kawai, Hidekazu Hanayama, Takashi Horiuchi, Hiroshi Akitaya, Tomoki Saito, Masaki Takayama, Tomohito Ohshima, Noriyuki Katoh, Jun Takahashi, Takahiro Nagayama, Masayuki Yamanaka, Miho Kawabata, Tatsuya Nakaoka, Seiko Takagi, Tomoki Morokuma, Kumiko Morihana, Hiroyuki Maehara, Kazuhiro Sekiguchi

    Astrophysical Journal   868 ( 1 )   2018.11

  • Late engine activity of GRB 161017A revealed by early optical observations

    Yutaro Tachibana, Makoto Arimoto, Katsuaki Asano, Shohei Harita, Taichi Fujiwara, Taketoshi Yoshii, Ryosuke Itoh, Katsuhiro L. Murata, Yoichi Yatsu, Kotaro Morita, Nobuyuki Kawai

    Publications of the Astronomical Society of Japan   70 ( 5 )   2018.10

  • Hitomi X-ray observation of the pulsar wind nebula G21.5-0.9

    Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steven W. Allen, Lorella Angelini, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Aya Bamba, Marshall W. Bautz, Roger Blandford, Laura W. Brenneman, Gregory V. Brown, Esra Bulbul, Edward M. Cackett, Maria Chernyakova, Meng P. Chiao, Paolo S. Coppi, Elisa Costantini, Jelle De Plaa, Cor P. De Vries, Jan Willem Den Herder, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew C. Fabian, Carlo Ferrigno, Adam R. Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi C. Gallo, Poshak Gandhi, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Ilana M. Harrus, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Junko S. Hiraga, Ann Hornschemeier, Akio Hoshino, John P. Hughes, Yuto Ichinohe, Ryo Iizuka, Hajime Inoue, Yoshiyuki Inoue, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Masachika Iwai, Jelle Kaastra, Tim Kallman, Tsuneyoshi Kamae, Jun Kataoka, Satoru Katsuda, Nobuyuki Kawai, Richard L. Kelley, Caroline A. Kilbourne, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Katsuji Koyama, Shu Koyama, Peter Kretschmar, Hans A. Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, Shiu Hang Lee, Maurice A. Leutenegger, Olivier Limousin, Michael Loewenstein, Knox S. Long, David Lumb, Greg Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian R. McNamara, Missagh Mehdipour, Eric D. Miller, Jon M. Miller, Shin Mineshige

    Publications of the Astronomical Society of Japan   70 ( 3 )   2018.6

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/pasj/psy027

    Scopus

    researchmap

  • Modeling of proton-induced radioactivation background in hard X-ray telescopes: Geant4-based simulation and its demonstration by Hitomi's measurement in a low Earth orbit

    Hirokazu Odaka, Makoto Asai, Kouichi Hagino, Tatsumi Koi, Greg Madejski, Tsunefumi Mizuno, Masanori Ohno, Shinya Saito, Tamotsu Sato, Dennis H. Wright, Teruaki Enoto, Yasushi Fukazawa, Katsuhiro Hayashi, Jun Kataoka, Junichiro Katsuta, Madoka Kawaharada, Shogo B. Kobayashi, Motohide Kokubun, Philippe Laurent, Francois Lebrun, Olivier Limousin, Daniel Maier, Kazuo Makishima, Taketo Mimura, Katsuma Miyake, Kunishiro Mori, Hiroaki Murakami, Takeshi Nakamori, Toshio Nakano, Kazuhiro Nakazawa, Hirofumi Noda, Masayuki Ohta, Masanobu Ozaki, Goro Sato, Rie Sato, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Shin'ichiro Takeda, Takaaki Tanaka, Yasuyuki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Kazutaka Yamaoka, Tetsuya Yasuda, Yoichi Yatsu, Takayuki Yuasa, Andreas Zoglauer

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   891   92 - 105   2018.5

  • Hard x-ray imager onboard Hitomi (ASTRO-H) Reviewed

    Nakazawa Kazuhiro, Sato Goro, Kokubun Motohide, Enoto Teruaki, Fukazawa Yasushi, Hagino Kouichi, Hayashi Katsuhiro, Kataoka Jun, Katsuta Junichiro, Kobayashi Shogo B, Laurent Philippe, Lebrun Francois, Limousin Olivier, Maier Daniel, Makishima Kazuo, Mizuno Tsunefumi, Mori Kunishiro, Nakamori Takeshi, Nakano Toshio, Noda Hirofumi, Odaka Hirokazu, Ohno Masanori, Ohta Masayuki, Saito Shinya, Sato Rie, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shin'ichiro, Tanaka Takaaki, Terada Yukikatsu, Uchiyama Hideki, Uchiyama Yasunobu, Watanabe Shin, Yamaoka Kazutaka, Yatsu Yoichi, Yuasa Takayuki

    JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS   4 ( 2 )   1 - 1   2018.4

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1117/1.JATIS.4.2.021410

    Web of Science

    Scopus

    researchmap

  • HITOMI (ASTRO-H) X-ray astronomy satellite

    Tadayuki Takahashi, Motohide Kokubun, Kazuhisa Mitsuda, Richard L. Kelley, Takaya Ohashi, Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steven W. Allen, Naohisa Anabuki, Lorella Angelini, Keith Arnaud, Makoto Asai, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Philipp Azzarello, Chris Baluta, Aya Bamba, Nobutaka Bando, Marshall W. Bautz, Thomas Bialas, Roger Blandford, Kevin Boyce, Laura W. Brenneman, Gregory V. Brown, Esra Bulbul, Edward M. Cackett, Edgar Canavan, Maria Chernyakova, Meng P. Chiao, Paolo S. Coppi, Elisa Costantini, Steve O' Dell, Michael DiPirro, Chris Done, Tadayasu Dotani, John Doty, Ken Ebisawa, Megan E. Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew C. Fabian, Carlo Ferrigno, Adam R. Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Stefan Funk, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi C. Gallo, Poshak Gandhi, Kirk Gilmore, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Daniel Haas, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Ilana M. Harrus, Isamu Hatsukade, Takayuki Hayashi, Katsuhiro Hayashi, Kiyoshi Hayashida, Jan Willem Den Herder, Junko S. Hiraga, Kazuyuki Hirose, Ann Hornschemeier, Akio Hoshino, John P. Hughes, Yuto Ichinohe, Ryo Iizuka, Hajime Inoue, Yoshiyuki Inoue, Kazunori Ishibashi, Manabu Ishida, Kumi Ishikawa, Kosei Ishimura, Yoshitaka Ishisaki, Masayuki Itoh, Masachika Iwai, Naoko Iwata, Naoko Iyomoto, Chris Jewell, Jelle Kaastra, Tim Kallman, Tsuneyoshi Kamae, Erin Kara, Jun Kataoka, Satoru Katsuda, Junichiro Katsuta, Madoka Kawaharada, Nobuyuki Kawai, Taro Kawano, Shigeo Kawasaki, Dmitry Khangulyan, Caroline A. Kilbourne, Mark Kimball

    Journal of Astronomical Telescopes, Instruments, and Systems   4 ( 2 )   2018.4

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1117/1.JATIS.4.2.021402

    Web of Science

    Scopus

    researchmap

  • Design and performance of Soft Gamma-ray Detector onboard the Hitomi (ASTRO-H) satellite

    Hiroyasu Tajima, Shin Watanabe, Yasushi Fukazawa, Roger Blandford, Teruaki Enoto, Andrea Goldwurm, Kouichi Hagino, Katsuhiro Hayashi, Yuto Ichinohe, Jun Kataoka, Junichiro Katsuta, Takao Kitaguchi, Motohide Kokubun, Philippe Laurent, François Lebrun, Olivier Limousin, Grzegorz M. Madejski, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Toshio Nakano, Kazuhiro Nakazawa, Hirofumi Noda, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Shinya Saito, Goro Sato, Rie Sato, Shinichiro Takeda, Hiromitsu Takahashi, Tadayuki Takahashi, Takaaki Tanaka, Yasuyuki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Kazutaka Yamaoka, Yoichi Yatsu, Daisuke Yonetoku, Takayuki Yuasa

    Journal of Astronomical Telescopes, Instruments, and Systems   4 ( 2 )   2018.4

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1117/1.JATIS.4.2.021411

    Web of Science

    Scopus

    researchmap

  • In-orbit performance and calibration of the Hard X-ray Imager onboard Hitomi (ASTRO-H)

    Kouichi Hagino, Kazuhiro Nakazawa, Goro Sato, Motohide Kokubun, Teruaki Enoto, Yasushi Fukazawa, Katsuhiro Hayashi, Jun Kataoka, Junichiro Katsuta, Shogo B. Kobayashi, Philippe Laurent, Francois Lebrun, Olivier Limousin, Daniel Maier, Kazuo Makishima, Taketo Mimura, Katsuma Miyake, Tsunefumi Mizuno, Kunishiro Mori, Hiroaki Murakami, Takeshi Nakamori, Toshio Nakano, Hirofumi Noda, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Shinya Saito, Rie Sato, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Shin'ichiro Takeda, Takaaki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Kazutaka Yamaoka, Yoichi Yatsu, Takayuki Yuasa

    Journal of Astronomical Telescopes, Instruments, and Systems   4 ( 2 )   2018.4

  • Glimpse of the highly obscured HMXB IGR J16318-4848 with Hitomi

    Steven W. Alle, Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steven W. Allen, Lorella Angelini, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Aya Bamba, Marshall W. Bautz, Roger Blandford, Laura W. Brenneman, Gregory V. Brown, Esra Bulbul, Edward M. Cackett, Maria Chernyakova, Meng P. Chiao, Paolo S. Coppi, Elisa Costantini, Jelle De Plaa, Cor P. De Vries, Jan Willem Den Herder, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew C. Fabian, Carlo Ferrigno, Adam R. Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi C. Gallo, Poshak Gandhi, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Ilana M. Harrus, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Junko S. Hiraga, Ann Hornschemeier, Akio Hoshino, John P. Hughes, Yuto Ichinohe, Ryo Iizuka, Hajime Inoue, Yoshiyuki Inoue, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Masachika Iwai, Jelle Kaastra, Tim Kallman, Tsuneyoshi Kamae, Jun Kataoka, Satoru Katsuda, Nobuyuki Kawai, Richard L. Kelley, Caroline A. Kilbourne, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Katsuji Koyama, Shu Koyama, Peter Kretschmar, Hans A. Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, Shiu Hang Lee, Maurice A. Leutenegger, Olivier O. Limousin, Michael Loewenstein, Knox S. Long, David Lumb, Greg Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan Mccammon, Brian R. Mcnamara, Missagh Mehdipour, Eric D. Miller, Jon M. Miller

    Publications of the Astronomical Society of Japan   70 ( 2 )   2018.3

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/pasj/psx154

    Scopus

    researchmap

  • Atmospheric gas dynamics in the Perseus cluster observed with Hitomi

    Felix Aharonia, Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steven W. Allen, Lorella Angelini, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Aya Bamba, Marshall W. Bautz, Roger Blandford, Laura W. Brenneman, Gregory V. Brown, Esra Bulbul, Edward M. Cackett, Rebecca E.A. Canning, Maria Chernyakova, Meng P. Chiao, Paolo S. Coppi, Elisa Costantini, Jelle De Plaa, Cor P. De Vries, Jan Willem Den Herder, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew C. Fabian, Carlo Ferrigno, Adam R. Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi C. Gallo, Poshak Gandhi, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Ilana M. Harrus, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Tasuku Hayashi, Kiyoshi Hayashida, Junko S. Hiraga, Ann Hornschemeier, Akio Hoshino, John P. Hughes, Yuto Ichinohe, Ryo Iizuka, Hajime Inoue, Shota Inoue, Yoshiyuki Inoue, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Masachika Iwai, Jelle Kaastra, Tim Kallman, Tsuneyoshi Kamae, Jun Kataoka, Satoru Katsuda, Nobuyuki Kawai, Richard L. Kelley, Caroline A. Kilbourne, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Katsuji Koyama, Shu Koyama, Peter Kretschmar, Hans A. Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, Shiu Hang Lee, Maurice A. Leutenegger, Olivier Limousin, Michael Loewenstein, Knox S. Long, David Lumb, Greg Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan Mccammon, Brian R. Mcnamara

    Publications of the Astronomical Society of Japan   70 ( 2 )   2018.3

     More details

    Publishing type:Research paper (scientific journal)  

    Scopus

    researchmap

  • Temperature structure in the Perseus cluster core observed with Hitomi

    Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steven W. Allen, Lorella Angelini, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Aya Bamba, Marshall W. Bautz, Roger Blandford, Laura W. Brenneman, Gregory V. Brown, Esra Bulbul, Edward M. Cackett, Maria Chernyakova, Meng P. Chiao, Paolo S. Coppi, Elisa Costantini, Jelle De Plaa, Cor P. De Vries, Jan Willem Den Herder, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew C. Fabian, Carlo Ferrigno, Adam R. Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Maki Furukawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi C. Gallo, Poshak Gandhi, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Ilana M. Harrus, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Junko S. Hiraga, Ann Hornschemeier, Akio Hoshino, John P. Hughes, Yuto Ichinohe, Ryo Iizuka, Hajime Inoue, Yoshiyuki Inoue, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Masachika Iwai, Jelle Kaastra, Tim Kallman, Tsuneyoshi Kamae, Jun Kataoka, Yuichi Kato, Satoru Katsuda, Nobuyuki Kawai, Richard L. Kelley, Caroline A. Kilbourne, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Katsuji Koyama, Shu Koyama, Peter Kretschmar, Hans A. Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, Shiu Hang Lee, Maurice A. Leutenegger, Olivier Limousin, Michael Loewenstein, Knox S. Long, David Lumb, Greg Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian R. McNamara, Missagh Mehdipour, Eric D. Miller

    Publications of the Astronomical Society of Japan   70 ( 2 )   2018.3

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/pasj/psy004

    Scopus

    researchmap

  • Hitomi observations of the LMC SNR N 132 D: Highly redshifted X-ray emission from iron ejecta

    Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steven W. Allen, Lorella Angelini, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Aya Bamba, Marshall W. Bautz, Roger Blandford, Laura W. Brenneman, Gregory V. Brown, Esra Bulbul, Edward M. Cackett, Maria Chernyakova, Meng P. Chiao, Paolo S. Coppi, Elisa Costantini, Jelle De Plaa, Cor P. De Vries, Jan Willem Den Herder, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew C. Fabian, Carlo Ferrigno, Adam R. Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi C. Gallo, Poshak Gandhi, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Ilana M. Harrus, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Junko S. Hiraga, Ann Hornschemeier, Akio Hoshino, John P. Hughes, Yuto Ichinohe, Ryo Iizuka, Hajime Inoue, Yoshiyuki Inoue, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Masachika Iwai, Jelle Kaastra, Tim Kallman, Tsuneyoshi Kamae, Jun Kataoka, Satoru Katsuda, Nobuyuki Kawai, Richard L. Kelley, Caroline A. Kilbourne, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Katsuji Koyama, Shu Koyama, Peter Kretschmar, Hans A. Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, Shiu Hang Lee, Maurice A. Leutenegger, Olivier Limousin, Michael Loewenstein, Knox S. Long, David Lumb, Greg Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian R. McNamara, Missagh Mehdipour, Eric D. Miller, Jon M. Miller, Shin Mineshige

    Publications of the Astronomical Society of Japan   70 ( 2 )   2018.3

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/pasj/psx151

    Scopus

    researchmap

  • Measurements of resonant scattering in the Perseus Cluster core with Hitomi SXS

    Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steven W. Allen, Lorella Angelini, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Aya Bamba, Marshall W. Bautz, Roger Blandford, Laura W. Brenneman, Gregory V. Brown, Esra Bulbul, Edward M. Cackett, Maria Chernyakova, Meng P. Chiao, Paolo S. Coppi, Elisa Costantini, Jelle De Plaa, Cor P. De Vries, Jan Willem Den Herder, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew C. Fabian, Carlo Ferrigno, Adam R. Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Maki Furukawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi C. Gallo, Poshak Gandhi, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Ilana M. Harrus, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Junko S. Hiraga, Ann Hornschemeier, Akio Hoshino, John P. Hughes, Yuto Ichinohe, Ryo Iizuka, Hajime Inoue, Yoshiyuki Inoue, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Masachika Iwai, Jelle Kaastra, Tim Kallman, Tsuneyoshi Kamae, Jun Kataoka, Satoru Katsuda, Nobuyuki Kawai, Richard L. Kelley, Caroline A. Kilbourne, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Katsuji Koyama, Shu Koyama, Peter Kretschmar, Hans A. Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, Shiu Hang Lee, Maurice A. Leutenegger, Olivier O. Limousin, Michael Loewenstein, Knox S. Long, David Lumb, Greg Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian R. McNamara, Missagh Mehdipour, Eric D. Miller, Jon M. Miller

    Publications of the Astronomical Society of Japan   70 ( 2 )   2018.3

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/pasj/psx127

    Scopus

    researchmap

  • Atomic data and spectral modeling constraints from high-resolution X-ray observations of the Perseus cluster with Hitomi

    Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steven W. Allen, Lorella Angelini, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Aya Bamba, Marshall W. Bautz, Roger Blandford, Laura W. Brenneman, Gregory V. Brown, Esra Bulbul, Edward M. Cackett, Maria Chernyakova, Meng P. Chiao, Paolo S. Coppi, Elisa Costantini, Jelle De Plaa, Cor P. De Vries, Jan Willem Den Herder, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew C. Fabian, Carlo Ferrigno, Adam R. Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi C. Gallo, Poshak Gandhi, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Ilana M. Harrus, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Natalie Hell, Junko S. Hiraga, Ann Hornschemeier, Akio Hoshino, John P. Hughes, Yuto Ichinohe, Ryo Iizuka, Hajime Inoue, Yoshiyuki Inoue, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Masachika Iwai, Jelle Kaastra, Tim Kallman, Tsuneyoshi Kamae, Jun Kataoka, Satoru Katsuda, Nobuyuki Kawai, Richard L. Kelley, Caroline A. Kilbourne, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Katsuji Koyama, Shu Koyama, Peter Kretschmar, Hans A. Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, Shiu Hang Lee, Maurice A. Leutenegger, Olivier Limousin, Michael Loewenstein, Knox S. Long, David Lumb, Greg Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian R. McNamara, Missagh Mehdipour, Eric D. Miller, Jon M. Miller

    Publications of the Astronomical Society of Japan   70 ( 2 )   2018.3

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/pasj/psx156

    Scopus

    researchmap

  • Hitomi observation of radio galaxy NGC 1275: The first X-ray microcalorimeter spectroscopy of Fe-Kα line emission from an active galactic nucleus*

    Hitomi Collaboration, Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steven W Allen, Lorella Angelini, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Aya Bamba, Marshall W Bautz, Roger Blandford, Laura W Brenneman, Gregory V Brown, Esra Bulbul, Edward M Cackett, Maria Chernyakova, Meng P Chiao, Paolo S Coppi, Elisa Costantini, Jelle de Plaa, Cor P de Vries, Jan-Willem den Herder, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew C Fabian, Carlo Ferrigno, Adam R Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi C Gallo, Poshak Gandhi, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Ilana M Harrus, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Junko S Hiraga, Ann Hornschemeier, Akio Hoshino, John P Hughes, Yuto Ichinohe, Ryo Iizuka, Hajime Inoue, Yoshiyuki Inoue, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Masachika Iwai, Jelle Kaastra, Tim Kallman, Tsuneyoshi Kamae, Jun Kataoka, Satoru Katsuda, Nobuyuki Kawai, Richard L Kelley, Caroline A Kilbourne, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Katsuji Koyama, Shu Koyama, Peter Kretschmar, Hans A Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, Shiu-Hang Lee, Maurice A Leutenegger, Olivier O Limousin, Michael Loewenstein, Knox S Long, David Lumb, Greg Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian R McNamara, Missagh Mehdipour, Eric D Miller, Jon M Miller, Shin Mineshige, Kazuhisa Mitsuda, Ikuyuki Mitsuishi, Takuya Miyazawa, Tsunefumi Mizuno, Hideyuki Mori, Koji Mori, Koji Mukai, Hiroshi Murakami, Richard F Mushotzky, Takao Nakagawa, Hiroshi Nakajima, Takeshi Nakamori, Shinya Nakashima, Kazuhiro Nakazawa, Kumiko K Nobukawa, Masayoshi Nobukawa, Hirofumi Noda, Hirokazu Odaka, Takaya Ohashi, Masanori Ohno, Takashi Okajima, Naomi Ota, Masanobu Ozaki, Frits Paerels, Stéphane Paltani, Robert Petre, Ciro Pinto, Frederick S Porter, Katja Pottschmidt, Christopher S Reynolds, Samar Safi-Harb, Shinya Saito, Kazuhiro Sakai, Toru Sasaki, Goro Sato, Kosuke Sato, Rie Sato, Makoto Sawada, Norbert Schartel, Peter J Serlemitsos, Hiromi Seta, Megumi Shidatsu, Aurora Simionescu, Randall K Smith, Yang Soong, Łukasz Stawarz, Yasuharu Sugawara, Satoshi Sugita, Andrew Szymkowiak, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Shin’ichiro Takeda, Yoh Takei, Toru Tamagawa, Takayuki Tamura, Takaaki Tanaka, Yasuo Tanaka, Yasuyuki T Tanaka, Makoto S Tashiro, Yuzuru Tawara, Yukikatsu Terada, Yuichi Terashima, Francesco Tombesi, Hiroshi Tomida, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Go Tsuru, Hiroyuki Uchida, Hideki Uchiyama, Yasunobu Uchiyama, Shutaro Ueda, Yoshihiro Ueda, Shin’ichiro Uno, C Megan Urry, Eugenio Ursino, Shin Watanabe, Norbert Werner, Dan R Wilkins, Brian J Williams, Shinya Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Y Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yaqoob, Yoichi Yatsu, Daisuke Yonetoku, Irina Zhuravleva, Abderahmen Zoghbi, Taiki Kawamuro

    Publications of the Astronomical Society of Japan   70 ( 2 )   2018.3

     More details

    Publishing type:Research paper (scientific journal)   Publisher:Oxford University Press (OUP)  

    DOI: 10.1093/pasj/psx147

    researchmap

  • Search for thermal X-ray features from the Crab nebula with the Hitomi soft X-ray spectrometer*

    Hitomi Collaboration, Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steven W Allen, Lorella Angelini, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Aya Bamba, Marshall W Bautz, Roger Blandford, Laura W Brenneman, Gregory V Brown, Esra Bulbul, Edward M Cackett, Maria Chernyakova, Meng P Chiao, Paolo S Coppi, Elisa Costantini, Jelle de Plaa, Cor P de Vries, Jan-Willem den Herder, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew C Fabian, Carlo Ferrigno, Adam R Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi C Gallo, Poshak Gandhi, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Ilana M Harrus, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Junko S Hiraga, Ann Hornschemeier, Akio Hoshino, John P Hughes, Yuto Ichinohe, Ryo Iizuka, Hajime Inoue, Yoshiyuki Inoue, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Jelle Kaastra, Tim Kallman, Tsuneyoshi Kamae, Jun Kataoka, Satoru Katsuda, Nobuyuki Kawai, Richard L Kelley, Caroline A Kilbourne, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Katsuji Koyama, Shu Koyama, Peter Kretschmar, Hans A Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, Shiu-Hang Lee, Maurice A Leutenegger, Olivier Limousin, Michael Loewenstein, Knox S Long, David Lumb, Greg Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian R McNamara, Missagh Mehdipour, Eric D Miller, Jon M Miller, Shin Mineshige, Kazuhisa Mitsuda, Ikuyuki Mitsuishi, Takuya Miyazawa, Tsunefumi Mizuno, Hideyuki Mori, Koji Mori, Koji Mukai, Hiroshi Murakami, Richard F Mushotzky, Takao Nakagawa, Hiroshi Nakajima, Takeshi Nakamori, Shinya Nakashima, Kazuhiro Nakazawa, Kumiko K Nobukawa, Masayoshi Nobukawa, Hirofumi Noda, Hirokazu Odaka, Takaya Ohashi, Masanori Ohno, Takashi Okajima, Naomi Ota, Masanobu Ozaki, Frits Paerels, Stéphane Paltani, Robert Petre, Ciro Pinto, Frederick S Porter, Katja Pottschmidt, Christopher S Reynolds, Samar Safi-Harb, Shinya Saito, Kazuhiro Sakai, Toru Sasaki, Goro Sato, Kosuke Sato, Rie Sato, Toshiki Sato, Makoto Sawada, Norbert Schartel, Peter J Serlemtsos, Hiromi Seta, Megumi Shidatsu, Aurora Simionescu, Randall K Smith, Yang Soong, Łukasz Stawarz, Yasuharu Sugawara, Satoshi Sugita, Andrew Szymkowiak, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Shin΄ichiro Takeda, Yoh Takei, Toru Tamagawa, Takayuki Tamura, Takaaki Tanaka, Yasuo Tanaka, Yasuyuki T Tanaka, Makoto S Tashiro, Yuzuru Tawara, Yukikatsu Terada, Yuichi Terashima, Francesco Tombesi, Hiroshi Tomida, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Go Tsuru, Hiroyuki Uchida, Hideki Uchiyama, Yasunobu Uchiyama, Shutaro Ueda, Yoshihiro Ueda, Shin΄ichiro Uno, C Megan Urry, Eugenio Ursino, Shin Watanabe, Norbert Werner, Dan R Wilkins, Brian J Williams, Shinya Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Y Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yaqoob, Yoichi Yatsu, Daisuke Yonetoku, Irina Zhuravleva, Abderahmen Zoghbi, Nozomu Tominaga, Takashi J Moriya

    Publications of the Astronomical Society of Japan   70 ( 2 )   2018.3

     More details

    Publishing type:Research paper (scientific journal)   Publisher:Oxford University Press (OUP)  

    DOI: 10.1093/pasj/psx072

    researchmap

  • Hitomi X-ray studies of giant radio pulses from the Crab pulsar

    Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steven W. Allen, Lorella Angelini, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Aya Bamba, Marshall W. Bautz, Roger Blandford, Laura W. Brenneman, Gregory V. Brown, Esra Bulbul, Edward M. Cackett, Maria Chernyakova, Meng P. Chiao, Paolo S. Coppi, Elisa Costantini, Jelle De Plaa, Cor P. De Vries, Jan Willem Den Herder, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew C. Fabian, Carlo Ferrigno, Adam R. Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi C. Gallo, Poshak Gandhi, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Ilana M. Harrus, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Junko S. Hiraga, Ann Hornschemeier, Akio Hoshino, John P. Hughes, Yuto Ichinohe, Ryo Iizuka, Hajime Inoue, Yoshiyuki Inoue, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Masachika Iwai, Jelle Kaastra, Tim Kallman, Tsuneyoshi Kamae, Jun Kataoka, Satoru Katsuda, Nobuyuki Kawai, Richard L. Kelley, Caroline A. Kilbourne, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Katsuji Koyama, Shu Koyama, Peter Kretschmar, Hans A. Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, L. E.E. Shiu-Hang, Maurice A. Leutenegger, Olivier O. Limousin, Michael Loewenstein, Knox S. Long, David Lumb, Greg Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian R. McNamara, Missagh Mehdipour, Eric D. Miller, Jon M. Miller, Shin Mineshige

    Publications of the Astronomical Society of Japan   70 ( 2 )   2018.3

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1093/pasj/psx083

    Scopus

    PubMed

    researchmap

  • Development of a 32-channel ASIC for an X-ray APD detector onboard the ISS

    Makoto Arimoto, Shohei Harita, Satoshi Sugita, Yoichi Yatsu, Nobuyuki Kawai, Hirokazu Ikeda, Hiroshi Tomida, Naoki Isobe, Shiro Ueno, Tatehiro Mihara, Motoko Serino, Takayoshi Kohmura, Takanori Sakamoto, Atsumasa Yoshida, Hiroshi Tsunemi, Satoshi Hatori, Kyo Kume, Takashi Hasegawa

    Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   882   138 - 147   2018.2

     More details

    Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

    DOI: 10.1016/j.nima.2017.09.003

    Scopus

    researchmap

  • Performance of the helium dewar and the cryocoolers of the Hitomi soft x-ray spectrometer Reviewed

    Ryuichi Fujimoto, Yoh Takei, Kazuhisa Mitsuda, Noriko Y. Yamasaki, Masahiro Tsujimoto, Shu Koyama, Kumi Ishikawa, Hiroyuki Sugita, Yoichi Sato, Keisuke Shinozaki, Atsushi Okamoto, Shunji Kitamoto, Akio Hoshino, Kosuke Sato, Yuichiro Ezoe, Yoshitaka Ishisaki, Shinya Yamada, Hiromi Seta, Takaya Ohashi, Toru Tamagawa, Hirofumi Noda, Makoto Sawada, Makoto Tashiro, Yoichi Yatsu, Ikuyuki Mitsuishi, Kenichi Kanao, Seiji Yoshida, Mikio Miyaoka, Shoji Tsunematsu, Kiyomi Otsuka, Katsuhiro Narasaki, Michael J. DiPirro, Peter J. Shirron, Gary A. Sneiderman, Caroline A. Kilbourne, Frederick Scott Porter, Meng P. Chiao, Megan E. Eckart

    Journal of Astronomical Telescopes, Instruments, and Systems   4 ( 1 )   11208   2018.1

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1117/1.JATIS.4.1.011208

    Web of Science

    Scopus

    researchmap

  • In-orbit operation of the soft x-ray spectrometer onboard the Hitomi satellite

    Masahiro Tsujimoto, Kazuhisa Mitsuda, Richard, L. Kelley, Jan Willem, Den Herder, Thomas G. Bialas, Kevin R. Boyce, Meng P. Chiao, Meng P. Chiao, Cor P. De Vries, Michael J. Dipirro, Megan E. Eckart, Yuichiro Ezoe, Ryuichi Fujimoto, Akio Hoshino, Kumi Ishikawa, Yoshitaka Ishisaki, Caroline A. Kilbourne, Shu Koyama, Maurice A. Leutenegger, Maurice A. Leutenegger, Candace M. Masters, Ikuyuki Mitsuishi, Hirofumi Noda, Takashi Okajima, Atsushi Okamoto, Frederic S. Porter, Kosuke Sato, Yohichi Sato, Joseph C. Savinell, Makoto Sawada, Hiromi Seta, Peter J. Shirron, Gary A. Sneiderman, Yoh Takei, Toru Tamagawa, Makoto S. Tashiro, Tomomi Watanabe, Shinya Yamada, Noriko Y. Yamasaki, Yoichi Yatsu

    Journal of Astronomical Telescopes, Instruments, and Systems   4 ( 1 )   2018.1

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1117/1.JATIS.4.1.011205

    Web of Science

    Scopus

    researchmap

  • Conceptual design of a wide-field near UV transient survey in a 6U CubeSat

    Yoichi Yatsu, Toshiki Ozawa, Kenichi Sasaki, Hideo Mamiya, Nobuyuki Kawai, Yuhei Kikuya, Masanori Matsushita, Saburo Matunaga, Shouleh Nikzad, Pavan Bilgi, Shrinivas R. Kulkarni, Nozomu Tominaga, Masaomi Tanaka, Tomoki Morokuma, Norihide Takeyama, Akito Enokuchi

    SPACE TELESCOPES AND INSTRUMENTATION 2018: ULTRAVIOLET TO GAMMA RAY   10699   2018

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2313026

    Web of Science

    researchmap

  • Illuminating gravitational waves: A concordant picture of photons from a neutron star merger

    Kasliwal, M.M., Nakar, E., Singer, L.P., Kaplan, D.L., Cook, D.O., Van Sistine, A., Lau, R.M., Fremling, C., Gottlieb, O., Jencson, J.E., Adams, S.M., Feindt, U., Hotokezaka, K., Ghosh, S., Perley, D.A., d Yu, P.-C., Piran, T., Allison, J.R., Anupama, G.C., Balasubramanian, A., Bannister, K.W., Bally, J., Barnes, J., Barway, S., Bellm, E., Bhalerao, V., Bhattacharya, D., Blagorodnova, N., Bloom, J.S., Brady, P.R., Cannella, C., Chatterjee, D., Cenko, S.B., Cobb, B.E., Copperwheat, C., Corsi, A., De, K., Dobie, D., Emery, S.W.K., Evans, P.A., Fox, O.D., Frail, D.A., Frohmaier, C., Goobar, A., Hallinan, G., Harrison, F., Helou, G., Hinderer, T., Ho, A.Y.Q., Horesh, A., d Ip, W.-H., Itoh, R., Kasen, D., Kim, H., Kuin, N.P.M., Kupfer, T., Lynch, C., Madsen, K., Mazzali, P.A., Miller, A.A., Mooley, K., Murphy, T., Ngeow, C.-C., Nichols, D., Nissanke, S., Nugent, P., Ofek, E.O., Qi, H., Quimby, R.M., Rosswog, S., Rusu, F., Sadler, E.M., Schmidt, P., Sollerman, J., Steele, I., Williamson, A.R., Xu, Y., Yan, L., Yatsu, Y., Zhang, C., Zhao, W.

    Science   358 ( 6370 )   2017.12

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1126/science.aap9455

    Scopus

    researchmap

  • Solar abundance ratios of the iron-peak elements in the Perseus cluster

    Aharonian, F., Akamatsu, H., Akimoto, F., Allen, S.W., Angelini, L., Audard, M., Awaki, H., Axelsson, M., Bamba, A., Bautz, M.W., Blandford, R., Brenneman, L.W., Brown, G.V., Bulbul, E., Cackett, E.M., Chernyakova, M., Chiao, M.P., Coppi, P.S., Costantini, E., De Plaa, J., Den Herder, J., Done, C., Dotani, T., Ebisawa, K., Eckart, M.E., Enoto, T., Ezoe, Y., Fabian, A.C., Ferrigno, C., Foster, A.R., Fujimoto, R., Fukazawa, Y., Furuzawa, A., Galeazzi, M., Gallo, L.C., Gandhi, P., Giustini, M., Goldwurm, A., Gu, L., Guainazzi, M., Haba, Y., Hagino, K., Hamaguchi, K., Harrus, I.M., Hatsukade, I., Hayashi, K., Hayashi, T., Hayashida, K., Hiraga, J.S., Hornschemeier, A., Hoshino, A., Hughes, J.P., Ichinohe, Y., Iizuka, R., Inoue, H., Inoue, Y., Ishida, M., Ishikawa, K., Ishisaki, Y., Iwai, M., Kaastra, J., Kallman, T., Kamae, T., Kataoka, J., Katsuda, S., Kawai, N., Kelley, R.L., Kilbourne, C.A., Kitaguchi, T., Kitamoto, S., Kitayama, T., Kohmura, T., Kokubun, M., Koyama, K., Koyama, S., Kretschmar, P., Krimm, H.A., Kubota, A., Kunieda, H., Laurent, P., Lee, S.H., Leutenegger, M.A., Limousine, O., Loewenstein, M., Long, K.S., Lumb, D., Madejski, G., Maeda, Y., Maier, D., Makishima, K., Markevitch, M., Matsumoto, H., Matsushita, K., McCammon, D., McNamara, B.R., Mehdipour, M., Miller, E.D., Miller, J.M., Mineshige, S., Mitsuda, K., Mitsuishi, I., Miyazawa, T., Mizuno, T., Mori, H., Mori, K., Mukai, K., Murakami, H., Mushotzky, R.F., Nakagawa, T., Nakajima, H., Nakamori, T., Nakashima, S., Nakazawa, K., Nobukawa, K.K., Nobukawa, M., Noda, H., Odaka, H., Ohashi, T., Ohno, M., Okajima, T., Ota, N., Ozaki, M., Paerels, F., Paltani, S., Petre, R., Pinto, C., Frederick, S.P., Pottschmidt, K., Christopher, S.R., Safi-Harb, S., Saito, S., Sakai, K., Sasaki, T., Sato, G., Sato, K., Sato, R., Sawada, M., Schartel, N., Serlemitsos, P.J., Seta, H., Shidatsu, M., Simionescu, A., Smith, R.K., Soong, Y., Stawarz, L., Sugawara, Y., Sugita, S., Szymkowiak, A., Tajima, H., Takahashi, H., Takahashi, T., Ichirotakeda, S., Takei, Y., Tamagawa, T., Tamura, T., Tanaka, T., Tanaka, Y., Tanaka, Y.T., Tashiro, M.S., Tawara, Y., Terada, Y., Terashima, Y., Tombesi, F., Tomida, H., Tsuboi, Y., Tsujimoto, M., Tsunemi, H., Tsuru, T.G., Uchida, H., Uchiyama, H., Uchiyama, Y., Ueda, S., Ueda, Y., Uno, S., Urry, C.M., Ursino, E., Vries, C.P.D., Watanabe, S., Werner, N., Wik, D.R., Wilkins, D.R., Williams, B.J., Yamada, S., Yamaguchi, H., Yamaoka, K., Yamasaki, N.Y., Yamauchi, M., Yamauchi, S., Yaqoob, T., Yatsu, Y., Yonetoku, D., Zhuravleva, I., Zoghbi, A.

    Nature   551 ( 7681 )   2017.11

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1038/nature24301

    Scopus

    researchmap

  • Evaluation of a bread board model gamma-ray burst polarimeter toward installation on the international space station

    Yuma Oikawa, Shuichi Gunji, Takeshi Nakamori, Mika Takakura, Tatsuya Ueda, Tatsuya Kishikawa, Stephen Daigle, Jessica Gaskin, Brian Ramsey, Colleen Wilson-Hodge, Robert D. Preece, Mark McConnell, Peter Bloser, Jason Legere, Daisuke Yonetoku, Tatehiro Mihara, Kiyoshi Hayashida, Yuji Kishimoto, Shunji Kishimoto, Hiromitsu Takahashi, Yoichi Yatsu, Kenji Toma, Takanori Sakamoto

    2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop, NSS/MIC/RTSD 2016   2017-January   2017.10

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/NSSMIC.2016.8069641

    Scopus

    researchmap

  • Multi-messenger Observations of a Binary Neutron Star Merger

    B. P. Abbott, N. Kawai, Y. Saito, Katsuhiro Murata, Y.Yatsu, et al.

    The Astrophysical journal. Letters   Volume 848 ( Number 2 )   2017.10

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/2041-8213/aa91c9

    Web of Science

    researchmap

  • Multiband variability studies and novel broadband SED modeling of Mrk 501 in 2009

    Ahnen, M.L., Ansoldi, S., Antonelli, L.A., Antoranz, P., Babic, A., Banerjee, B., Bangale, P., Barres De Almeida, U., Barrio, J.A., Becerra Gonz{\'a}lez, J., Bednarek, W., Bernardini, E., Berti, A., Biasuzzi, B., Biland, A., Blanch, O., Bonnefoy, S., Bonnoli, G., Borracci, F., Bretz, T., Buson, S., Carosi, A., Chatterjee, A., Clavero, R., Colin, P., Colombo, E., Contreras, J.L., Cortina, J., Covino, S., Da Vela, P., Dazzi, F., De Angelis, A., De Lotto, B., De O{\~n}a Wilhelmi, E., Di Pierro, F., Doert, M., Dom{\'i}nguez, A., Dominis Prester, D., Dorner, D., Doro, M., Einecke, S., Eisenacher Glawion, D., Elsaesser, D., Engelkemeier, M., Fallah Ramazani, V., Fern{\'a}ndez-Barral, A., Fidalgo, D., Fonseca, M.V., Font, L., Frantzen, K., Fruck, C., Galindo, D., Garc{\'i}a, o}pez, R.J., Garczarczyk, M., Garrido Terrats, D., Gaug, M., Giammaria, P., Godinovi?, N., Gonz{\'a}lez Mu{\~n}oz, A., Gora, D., Guberman, D., Hadasch, D., Hahn, A., Hanabata, Y., Hayashida, M., Herrera, J., Hose, J., Hrupec, D., Hughes, G., Idec, W., Kodani, K., Konno, Y., Kubo, H., Kushida, J., La Barbera, A., Lelas, D., Li, fors, E., Lombardi, S., Longo, F., L{\'o}pez, M., L{\'o}pez-Coto, R., Majumdar, P., Makariev, M., Mallot, K., Maneva, G., Manganaro, M., Mannheim, K., Maraschi, L., Marcote, B., Mariotti, M., Mart{\'i}nez, M., Mazin, D., Menzel, U., Miranda, J.M., Mirzoyan, R., Moralejo, A., Moretti, E., Nakajima, D., Neustroev, V., Niedzwiecki, A., Nievas Rosillo, M., Nilsson, K., Nishijima, K., Noda, K., Nogu{\'e}s, L., Overkemping, A., Paiano, S., Palacio, J., Palatiello, M., Paneque, D., Paoletti, R., Paredes, J.M., Paredes-Fortuny, X., Pedaletti, G., Peresano, M., Perri, L., Persic, M., Poutanen, J., Prada Moroni, P.G., Prandini, E., Puljak, I., Reichardt, I., Rhode, W., Rib{\'o}, M., Rico, J., Rodriguez Garcia, J., Saito, T., Satalecka, K., Schr{\"o}der, S., Schultz, C., Schweizer, T., Shore, S.N., Sillanp{\"a}{\"a}, A., Sitarek, J., Snidaric, I., Sobczynska, D., Stamerra, A., Steinbring, T., Strzys, M., Suri?, T., Takalo, L., Tavecchio, F., Temnikov, P., Terzi?, T., Tescaro, D., Teshima, M., Thaele, J., Torres, D.F., Toyama, T., Treves, A., Vanzo, G., Verguilov, V., Vovk, I., Ward, J.E., Will, M., Wu, M.H., Zanin, R., Abeysekara, A.U., Archambault, S., Archer, A., Benbow, W., Bird, R., Buchovecky, M., Buckley, J.H., Bugaev, V., Connolly, M.P., Cui, W., Dickinson, H.J., Falcone, A., Feng, Q., Finley, J.P., Fleischhack, H., Flinders, A., Fortson, L., Gillanders, G.H., Griffin, S., Grube, J., H{\"u}tten, M., Hanna, D., Holder, J., Humensky, T.B., Kaaret, P., Kar, P., Kelley-Hoskins, N., Kertzman, M., Kieda, D., Krause, M., Krennrich, F., Lang, M.J., Maier, G., McCann, A., Moriarty, P., Mukherjee, R., Nieto, D., O{'}Brien, S., Ong, R.A., Otte, N., Park, N., Perkins, J., Pichel, A., Pohl, M., Popkow, A., Pueschel, E., Quinn, J., Ragan, K., Reynolds, P.T., Richards, G.T., Roache, E., Rovero, A.C., Rulten, C., Sadeh, I., Santander, M., Sembroski, G.H., Shahinyan, K., Telezhinsky, I., Tucci, J.V., Tyler, J., Wakely, S.P., Weinstein, A., Wilcox, P., Wilhelm, A., Williams, D.A., Zitzer, B., Razzaque, S., Villata, M., Raiteri, C.M., Aller, H.D., Aller, M.F., Larionov, V.M., Arkharov, A.A., Blinov, D.A., Efimova, N.V., Grishina, T.S., Hagen-Thorn, V.A., Kopatskaya, E.N., Larionova, L.V., Larionova, E.G., Morozova, D.A., Troitsky, I.S., Ligustri, R., Calcidese, P., Berdyugin, A., Kurtanidze, O.M., Nikolashvili, M.G., Kimeridze, G.N., Sigua, L.A., Kurtanidze, S.O., Chigladze, R.A., Chen, W.P., Koptelova, E., Sakamoto, T., Sadun, A.C., Moody, J.W., Pace, C., Pearson, R., Yatsu, Y., Mori, Y., Carraminyana, A., Carrasco, L., De La Fuente, E., Norris, J.P., Smith, P.S., Wehrle, A., Gurwell, M.A., Zook, A., Pagani, C., Perri, M., Capalbi, M., Cesarini, A., Krimm, H.A., Kovalev, Y.Y., Kovalev, Y.A., Ros, E., Pushkarev, A.B., Lister, M.L., Sokolovsky, K.V., Kadler, M., Piner, G., L{\"a}hteenm{\"a}ki, A., Tornikoski, M., Angelakis, E., Krichbaum, T.P., Nestoras, I., Fuhrmann, L., Zensus, J.A., Cassaro, P., Orlati, A., MacCaferri, G., Leto, P., Giroletti, M., Richards, J.L., Max-Moerbeck, W., Readhead, A.C.S.

    Astronomy and Astrophysics   603   2017.7

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1051/0004-6361/201629540

    Scopus

    researchmap

  • Hitomi Constraints on the 3.5 keV Line in the Perseus Galaxy Cluster

    F. A. Aharonian, H. Akamatsu, F. Akimoto, S. W. Allen, L. Angelini, K. A. Arnaud, M. Audard, H. Awaki, M. Axelsson, A. Bamba, M. W. Bautz, R. D. Blandford, E. Bulbul, L. W. Brenneman, G. V. Brown, E. M. Cackett, M. Chernyakova, M. P. Chiao, P. Coppi, E. Costantini, J. de Plaa, J. -W. den Herder, C. Done, T. Dotani, K. Ebisawa, M. E. Eckart, T. Enoto, Y. Ezoe, A. C. Fabian, C. Ferrigno, A. R. Foster, R. Fujimoto, Y. Fukazawa, A. Furuzawa, M. Galeazzi, L. C. Gallo, P. Gandhi, M. Giustini, A. Goldwurm, L. Gu, M. Guainazzi, Y. Haba, K. Hagino, K. Hamaguchi, I. Harrus, I. Hatsukade, K. Hayashi, T. Hayashi, K. Hayashida, J. Hiraga, A. E. Hornschemeier, A. Hoshino, J. P. Hughes, Y. Ichinohe, R. Iizuka, H. Inoue, S. Inoue, Y. Inoue, K. Ishibashi, M. Ishida, K. Ishikawa, Y. Ishisaki, M. Itoh, M. Iwai, N. Iyomoto, J. S. Kaastra, T. Kallman, T. Kamae, E. Kara, J. Kataoka, S. Katsuda, J. Katsuta, M. Kawaharada, N. Kawai, R. L. Kelley, D. Khangulyan, C. A. Kilbourne, A. L. King, T. Kitaguchi, S. Kitamoto, T. Kitayama, T. Kohmura, M. Kokubun, S. Koyama, K. Koyama, P. Kretschmar, H. A. Krimm, A. Kubota, H. Kunieda, P. Laurent, F. Lebrun, S. -H. Lee, M. A. Leutenegger, O. Limousin, M. Loewenstein, K. S. Long, D. H. Lumb, G. M. Madejski, Y. Maeda, D. Maier, K. Makishima, M. Markevitch, H. Matsumoto, K. Matsushita, D. McCammon, B. R. McNamara, M. Mehdipour, E. D. Miller, J. M. Miller, S. Mineshige, K. Mitsuda, I. Mitsuishi, T. Miyazawa, T. Mizuno, H. Mori, K. Mori, H. Moseley, K. Mukai, H. Murakami, T. Murakami, R. F. Mushotzky, T. Nakagawa, H. Nakajima, T. Nakamori, T. Nakano, S. Nakashima, K. Nakazawa, K. Nobukawa, M. Nobukawa, H. Noda, M. Nomachi, S. L. O'Dell, H. Odaka, T. Ohashi, M. Ohno, T. Okajima, N. Ota, M. Ozaki, F. Paerels, S. Paltani, A. Parmar, R. Petre, C. Pinto, M. Pohl, F. S. Porter, K. Pottschmidt, B. D. Ramsey, C. S. Reynolds, H. R. Russell, S. Safi-Harb, S. Saito, K. Sakai, H. Sameshima, T. Sasaki, G. Sato, K. Sato, R. Sato, M. Sawada, N. Schartel, P. J. Serlemitsos, H. Seta, M. Shidatsu, A. Simionescu, R. K. Smith, Y. Soong, L. Stawarz, Y. Sugawara, S. Sugita, A. E. Szymkowiak, H. Tajima, H. Takahashi, T. Takahashi, S. Takeda, Y. Takei, T. Tamagawa, K. Tamura, T. Tamura, T. Tanaka, Yasuo Tanaka, Yasuyuki Tanaka, M. Tashiro, Y. Tawara, Y. Terada, Y. Terashima, F. Tombesi, H. Tomida, Y. Tsuboi, M. Tsujimoto, H. Tsunemi, T. Tsuru, H. Uchida, H. Uchiyama, Y. Uchiyama, S. Ueda, Y. Ueda, S. Ueno, S. Uno, C. M. Urry, E. Ursino, C. P. de Vries, S. Watanabe, N. Werner, D. R. Wik, D. R. Wilkins, B. J. Williams, S. Yamada, H. Yamaguchi, K. Yamaoka, N. Y. Yamasaki, M. Yamauchi, S. Yamauchi, T. Yaqoob, Y. Yatsu, D. Yonetoku, A. Yoshida, I. Zhuravleva, A. Zoghbi

    ASTROPHYSICAL JOURNAL LETTERS   837 ( 1 )   2017.3

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.3847/2041-8213/aa61fa

    Web of Science

    researchmap

  • Hardware Development and In-orbit Demonstration of the Electrical Power System for TSUBAME High-powered Micro-satellite

    MATSUSHITA Masanori, YATSU Yoichi, ARIMOTO Makoto, MATUNAGA Saburo

    TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES   60 ( 2 )   109 - 115   2017

     More details

    Language:English   Publisher:THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES  

    This paper describes the development and in-orbit demonstration of an electrical power system (EPS) for the 100 W/50 kg-class micro-satellite TSUBAME. Due to the high power consumption per surface area of the TSUBAME and the high power-to-mass ratio, we encountered several technical issues to be solved before the launch. TSUBAME's power demand varies drastically depending on the operation mode, from 2 W to 90 W. Therefore, we could not use the shunt regulator widely used for satellites. To suppress the exhaust heat from the dump power during low-power mode, we developed a series linear regulator that supplies less than 31 V to the main bus. Using this method, the operation point of the current-voltage curve for solar arrays was optimized automatically. However, this control law possesses a hysteresis which invokes a deadlock mode called battery lockup. In addition, the PWM current controller in the battery charger had 35 VPP spike noises, which resulted in system-wide failure. To resolve the fatal problem, we redeveloped the EPS, specifically the noise charger, taking into account physical mechanisms that emitted noise. After environmental and integration tests, the EPS placed on the satellite, which was launched and worked correctly on orbit.

    DOI: 10.2322/tjsass.60.109

    researchmap

  • X-RAY and ROTATIONAL LUMINOSITY CORRELATION and MAGNETIC HEATING of RADIO PULSARS

    Shibata, S., Watanabe, E., Yatsu, Y., Enoto, T., Bamba, A.

    Astrophysical Journal   833 ( 1 )   59 - 59   2016.12

     More details

    Publishing type:Research paper (scientific journal)   Publisher:American Astronomical Society  

    DOI: 10.3847/1538-4357/833/1/59

    Scopus

    researchmap

  • J-GEM follow-up observations of the gravitational wave source GW151226

    Michitoshi Yoshida, Yousuke Utsumi, Nozomu Tominaga, Tomoki Morokuma, Masaomi Tanaka, Yuichiro Asakura, Kazuya Matsubayashi, Kouji Ohta, Fumio Abe, Sho Chimasu, Hisanori Furusawa, Ryosuke Itoh, Yoichi Itoh, Yuka Kanda, Koji S. Kawabata, Miho Kawabata, Shintaro Koshida, Naoki Koshimoto, Daisuke Kuroda, Yuki Moritani, Kentaro Motohara, Katsuhiro L. Murata, Takahiro Nagayama, Tatsuya Nakaoka, Fumiaki Nakata, Tsubasa Nishioka, Yoshihiko Saito, Tsuyoshi Terai, Paul J. Tristram, Kenshi Yanagisawa, Naoki Yasuda, Mamoru Doi, Kenta Fujisawa, Akiko Kawachi, Nobuyuki Kawai, Yoichi Tamura, Makoto Uemura, Yoichi Yatsu

    Publications of the Astronomical Society of Japan   Volume 69 ( Number 1 )   2016.12

     More details

  • The quiescent intracluster medium in the core of the Perseus cluster

    Hitomi Collaboration, Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steven W., Anabuki Naohisa, Angelini Lorella, Arnaud Keith, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Bamba Aya, Bautz Marshall, Blandford Roger, Brenneman Laura, Brown Gregory V., Bulbul Esra, Cackett Edward, Chernyakova Maria, Chiao Meng, Coppi Paolo, Costantini Elisa, de Plaa Jelle, den Herder Jan-Willem, Done Chris, Dotani Tadayasu, Ebisawa Ken, Eckart Megan, Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew C., Ferrigno Carlo, Foster Adam, Fujimoto Ryuichi, Fukazawa Yasushi, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi, Gandhi Poshak, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haba Yoshito, Hagino Kouichi, Hamaguchi Kenji, Harrus Ilana, Hatsukade Isamu, Hayashi Katsuhiro, Hayashi Takayuki, Hayashida Kiyoshi, Hiraga Junko, Hornschemeier Ann, Hoshino Akio, Hughes John, Iizuka Ryo, Inoue Hajime, Inoue Yoshiyuki, Ishibashi Kazunori, Ishida Manabu, Ishikawa Kumi, Ishisaki Yoshitaka, Itoh Masayuki, Iyomoto Naoko, Kaastra Jelle, Kallman Timothy, Kamae Tuneyoshi, Kara Erin, Kataoka Jun, Katsuda Satoru, Katsuta Junichiro, Kawaharada Madoka, Kawai Nobuyuki, Kelley Richard, Khangulyan Dmitry, Kilbourne Caroline, King Ashley, Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Kokubun Motohide, Koyama Shu, Koyama Katsuji, Kretschmar Peter, Krimm Hans, Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lebrun François, Lee Shiu-Hang, Leutenegger Maurice, Limousin Olivier, Loewenstein Michael, Long Knox S., Lumb David, Madejski Grzegorz, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, McNamara Brian, Mehdipour Missagh, Miller Eric, Miller Jon, Mineshige Shin, Mitsuda Kazuhisa, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Hideyuki, Mori Koji, Moseley Harvey, Mukai Koji, Murakami Hiroshi, Murakami Toshio, Mushotzky Richard, Nagino Ryo, Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakano Toshio, Nakashima Shinya, Nakazawa Kazuhiro, Nobukawa Masayoshi, Noda Hirofumi, Nomachi Masaharu, O'Dell Steve, Odaka Hirokazu, Ohashi Takaya, Ohno Masanori, Okajima Takashi, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani Stephane, Parmar Arvind, Petre Robert, Pinto Ciro, Pohl Martin, Porter F. Scott, Pottschmidt Katja, Ramsey Brian, Reynolds Christopher, Russell Helen, Safi-Harb Samar, Saito Shinya, Sakai Kazuhiro, Sameshima Hiroaki, Sato Goro, Sato Kosuke, Sato Rie, Sawada Makoto, Schartel Norbert, Serlemitsos Peter, Seta Hiromi, Shidatsu Megumi, Simionescu Aurora, Smith Randall, Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Satoshi, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shin'Ichiro, Takei Yoh, Tamagawa Toru, Tamura Keisuke, Tamura Takayuki, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki, Tashiro Makoto, Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi, Uchida Hiroyuki, Uchiyama Hideki, Uchiyama Yasunobu, Ueda Shutaro, Ueda Yoshihiro, Ueno Shiro, Uno Shin'Ichiro, Urry Meg, Ursino Eugenio, de Vries Cor, Watanabe Shin, Werner Norbert, Wik Daniel, Wilkins Dan, Williams Brian, Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko Y., Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Yoshida Atsumasa, Yuasa Takayuki, Zhuravleva Irina, Zoghbi Abderahmen

    Nature   Volume 535 ( Issue 7610 )   117 - 121   2016.7

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1038/nature18627

    Scopus

    researchmap

  • J-GEM follow-up observations to search for an optical counterpart of the first gravitational wave source GW150914

    Tomoki Morokuma, Masaomi Tanaka, Yuichiro Asakura, Fumio Abe, Paul J. Tristram, Yousuke Utsumi, Mamoru Doi, Kenta Fujisawa, Ryosuke Itoh, Yoichi Itoh, Koji S. Kawabata, Nobuyuki Kawai, Daisuke Kuroda, Kazuya Matsubayashi, Kentaro Motohara, Katsuhiro L. Murata, Takahiro Nagayama, Kouji Ohta, Yoshihiko Saito, Yoichi Tamura, Nozomu Tominaga, Makoto Uemura, Kenshi Yanagisawa, Yoichi Yatsu, Michitoshi Yoshida

    Publications of the Astronomical Society of Japan   Volume 68 ( Number 4 )   2016.6

     More details

  • No Evidence of Intrinsic Optical/Near-infrared Linear Polarization for V404 Cygni during Its Bright Outburst in 2015: Broadband Modeling and Constraint on Jet Parameters

    Y. T. Tanaka, R. Itoh, M. Uemura, Y. Inoue, C. C. Cheung, M. Watanabe, K. S. Kawabata, Y. Fukazawa, Y. Yatsu, T. Yoshii, Y. Tachibana, T. Fujiwara, Y. Saito, N. Kawai, M. Kimura, K. Isogai, T. Kato, H. Akitaya, M. Kawabata, T. Nakaoka, K. Shiki, K. Takaki, M. Yoshida, M. Imai, S. Gouda, Y. Gouda, H. Akimoto, S. Honda, K. Hosoya, A. Ikebe, K. Morihana, T. Ohshima, Y. Takagi, J. Takahashi, K. Watanabe, D. Kuroda, T. Morokuma, K. Murata, T. Nagayama, D. Nogami, Y. Oasa, K. Sekiguchi

    The Astrophysical journal   Volume 823 ( Issue 1 )   35 - 35   2016.5

     More details

    Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Astronomical Society  

    We present simultaneous optical and near-infrared (NIR) polarimetric results for the black hole binary V404 Cyg spanning the duration of its seven-day-long optically brightest phase of its 2015 June outburst. The simultaneous R- and K s -band light curves showed almost the same temporal variation except for the isolated (̃30-minute duration) orphan K s -band flare observed at MJD 57193.54. We did not find any significant temporal variation of polarization degree (PD) and position angle (PA) in both R and K s bands throughout our observations, including the duration of the orphan NIR flare. We show that the observed PD and PA are predominantly interstellar in origin by comparing the V404 Cyg polarimetric results with those of the surrounding sources within the 7′ × 7′ field of view. The low intrinsic PD (less than a few percent) implies that the optical and NIR emissions are dominated by either disk or optically thick synchrotron emission, or both. We also present the broadband spectra of V404 Cyg during the orphan NIR flare and a relatively faint and steady state by including quasi-simultaneous Swift/XRT and INTEGRAL fluxes. By adopting a single-zone synchrotron plus inverse-Compton model as widely used in modeling of blazars, we constrained the parameters of a putative jet. Because the jet synchrotron component cannot exceed the Swift/XRT disk/corona flux, the cutoff Lorentz factor in the electron energy distribution is constrained to be 〈102, suggesting that particle acceleration is less efficient in this microquasar jet outburst compared to active galactic nucleus jets. We also suggest that the loading of the baryon component inside the jet is inevitable based on energetic arguments.

    DOI: 10.3847/0004-637X/823/1/35

    researchmap

  • A soft X-ray lag detected in Centaurus A

    Tachibana Yutaro, Kawamuro Taiki, Ueda Yoshihiro, Shidatsu Megumi, Arimoto Makoto, Yoshii Taketoshi, Yatsu Yoichi, Saito Yoshihiko, Pike Sean, Kawai Nobuyuki

    Publications of the Astronomical Society of Japan   Volume 68 ( Issue SP1 )   2016.3

     More details

  • SPATIALLY RESOLVED SPECTROSCOPY OF A BALMER-DOMINATED SHOCK IN THE CYGNUS LOOP: AN EXTREMELY THIN COSMIC-RAY PRECURSOR?

    Satoru Katsuda, Keiichi Maeda, Yutaka Ohira, Yoichi Yatsu, Koji Mori, Wako Aoki, Kumiko Morihana, John C. Raymond, Parviz Ghavamian, Jae-Joon Lee, Jiro Shimoda, Ryo Yamazaki

    ASTROPHYSICAL JOURNAL LETTERS   819 ( 2 )   2016.3

  • The hard X-ray imager (HXI) onboard ASTRO-H

    Kazuhiro Nakazawa, Goro Sato, Motohide Kokubun, Teruaki Enoto, Yasushi Fukazawa, Kouichi Hagino, Atsushi Harayama, Katsuhiro Hayashi, Jun Kataoka, Junichiro Katsuta, Philippe Laurent, Francois Lebrun, Olivier Limousin, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Toshio Nakano, Hirofumi Noda, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Shinya Saito, Rie Sato, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Shin'ichiro Takeda, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Kazutaka Yamaoka, Yoichi Yatsu, Takayuki Yuasa

    Proceedings of SPIE - The International Society for Optical Engineering   9905   2016

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2231176

    Scopus

    researchmap

  • RECENT PROGRESS OF THE ROBOTIC TELESCOPE SYSTEM "MITSUME" Reviewed

    Y. Yatsu, N. Kawai, T. Fujiwara, Y. Tachibana, T. Yoshii, S. Harita, Y. Muraki, H. Ohuchi, D. Kuroda, K. Yanagisawa, H. Hanayama

    IV WORKSHOP ON ROBOTIC AUTONOMOUS OBSERVATORIES, 2015   48   24 - 26   2016

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    Web of Science

    researchmap

  • Performance of the helium dewar and cryocoolers of ASTRO-H SXS Reviewed

    Ryuichi Fujimoto, Yoh Takei, Kazuhisa Mitsuda, Noriko Y. Yamasaki, Masahiro Tsujimoto, Shu Koyama, Kumi Ishikawa, Hiroyuki Sugita, Yoichi Sato, Keisuke Shinozaki, Atsushi Okamoto, Shunji Kitamoto, Akio Hoshino, Kosuke Sato, Yuichiro Ezoe, Yoshitaka Ishisaki, Shinya Yamada, Hiromi Seta, Takaya Ohashi, Toru Tamagawa, Hirofumi Noda, Makoto Sawada, Makoto Tashiro, Yoichi Yatsu, Ikuyuki Mitsuishi, Kenichi Kanao, Seiji Yoshida, Mikio Miyaoka, Shoji Tsunematsu, Kiyomi Otsuka, Katsuhiro Narasaki, Michael J. DiPirro, Peter J. Shirron, Gary A. Sneiderman, Caroline A. Kilbourne, F. Scott Porter, Meng P. Chiao, Megan E. Eckart, Richard L. Kelley

    SPACE TELESCOPES AND INSTRUMENTATION 2016: ULTRAVIOLET TO GAMMA RAY   9905   2016

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2232933

    Web of Science

    researchmap

  • Numerical evaluation of on-orbit attitude behavior for microsatellites with variable shape function

    Kyosuke Tawara, Yuhei Kikuya, Naoto Kondo, Yoichi Yatsu, Saburo Matunaga

    Proceedings of the International Astronautical Congress, IAC   2016

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:International Astronautical Federation, IAF  

    Scopus

    researchmap

  • Development and verification of signal processing system of avalanche photo diode for the active shields onboard ASTRO-H

    Ohno, M., Kawano, T., Edahiro, I., Shirakawa, H., Ohashi, N., Okada, C., Habata, S., Katsuta, J., Tanaka, Y., Takahashi, H., Mizuno, T., Fukazawa, Y., Murakami, H., Kobayashi, S., Miyake, K., Ono, K., Kato, Y., Furuta, Y., Murota, Y., Okuda, K., Wada, Y., Nakazawa, K., Mimura, T., Kataoka, J., Ichinohe, Y., Uchida, Y., Katsuragawa, M., Yoneda, H., Sato, G., Sato, R., Kawaharada, M., Harayama, A., Odaka, H., Hayashi, K., Ohta, M., Watanabe, S., Kokubun, M., Takahashi, T., Takeda, S., Kinoshita, M., Yamaoka, K., Tajima, H., Yatsu, Y., Uchiyama, H., Saito, S., Yuasa, T., Makishima, K.

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   831   2016

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.nima.2016.04.063

    Scopus

    researchmap

  • The soft gamma-ray detector (SGD) onboard ASTRO-H

    Shin Watanabe, Hiroyasu Tajima, Yasushi Fukazawa, Roger Blandford, Teruaki Enoto, Andrea Goldwurm, Kouichi Hagino, Katsuhiro Hayashi, Yuto Ichinohe, Jun Kataoka, Junichiro Katsuta, Takao Kitaguchi, Motohide Kokubun, Philippe Laurent, Francois Lebrun, Olivier Limousin, Grzegorz M. Madejski, Kazuo Makishima, Tsunefumi Mizunoe, Kunishiro Mori, Takeshi Nakamori, Toshio Nakano, Kazuhiro Nakazawa, Hirofumi Noda, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Shinya Saito, Goro Sato, Rie Sato, Shin'ichiro Takeda, Hiromitsu Takahashi, Tadayuki Takahashi, Takaaki Tanaka, Yasuyuki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Kazutaka Yamaoka, Yoichi Yatsu, Daisuke Yonetoku, Takayuki Yuasa

    SPACE TELESCOPES AND INSTRUMENTATION 2016: ULTRAVIOLET TO GAMMA RAY   9905   2016

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2231962

    Web of Science

    researchmap

  • Evaluation of a Bread Board Model Gamma-ray Burst Polarimeter toward installation on the International Space Station

    Yuma Oikawa, Shuichi Gunji, Takeshi Nakamori, Mika Takakura, Tatsuya Ueda, Tatsuya Kishikawa, Stephen Daigle, Jessica Gaskin, Brian Ramsey, Colleen Wilson-Hodge, Robert D. Preece, Mark McConnell, Peter Bloser, Jason Legere, Daisuke Yonetoku, Tatehiro Mihara, Kiyoshi Hayashida, Yuji Kishimoto, Shunji Kishimoto, Hiromitsu Takahashi, Yoichi Yatsu, Kenji Toma, Takanori Sakamoto

    2016 IEEE NUCLEAR SCIENCE SYMPOSIUM, MEDICAL IMAGING CONFERENCE AND ROOM-TEMPERATURE SEMICONDUCTOR DETECTOR WORKSHOP (NSS/MIC/RTSD)   2016

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    Web of Science

    researchmap

  • The Astro-H High Resolution Soft X-Ray Spectrometer

    Richard L. Kelley, Hiroki Akamatsu, Phillipp Azzarell, Tom Bialas, Kevin R. Boyce, Gregory V. Brown, Edgar Canavan, Meng P. Chiao, Elisa Costantini, Michael J. DiPirro, Megan E. Eckart, Yuichiro Ezoe, Ryuichi Fujimoto, Daniel Haas, Jan-Willem den Herder, Akio Hoshino, Kumi Ishikawa, Yoshitaka Ishisaki, Naoko Iyomoto, Caroline A. Kilbourne, Mark Kimball, Shunji Kitamoto, Saori Konami, Shu Koyama, Maurice A. Leutenegger, Dan McCammon, Joseph Miko, Kazuhisa Mitsuda, Ikuyuki Mitsuishi, Harvey Moseley, Hiroshi Murakami, Masahide Murakami, Hirofumi Noda, Mina Ogawa, Takaya Ohashi, Atsushi Okamoto, Naomi Ota, Stephane Paltani, F. Scott Porter, Kazuhiro Sakai, Kosuke Sato, Yohichi Sato, Makoto Sawada, Hiromi Seta, Keisuke Shinozaki, Peter J. Shirron, Gary A. Sneiderman, Hiroyuki Sugita, Andrew E. Szymkowiak, Yoh Takei, Toni Tamagawa, Makoto Tashiro, Yukikatsu Terada, Masahiro Tsujimoto, Cor P. de Vries, Shinya Yamada, Noriko Y. Yamasaki, Yoichi Yatsu

    SPACE TELESCOPES AND INSTRUMENTATION 2016: ULTRAVIOLET TO GAMMA RAY   9905   2016

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2232509

    Web of Science

    researchmap

  • The ASTRO-H (Hitomi) X-ray Astronomy Satellite

    Tadayuki Takahashi, Motohide Kokubun, Kazuhisa Mitsuda, Richard Kelley, Takaya Ohashi, Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steve Allen, Naohisa Anabuki, Lorella Angelini, Keith Arnaud, Makoto Asai, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Philipp Azzarello, Chris Baluta, Aya Bamba, Nobutaka Bando, Marshall Bautz, Thomas Bialas, Roger Blandford, Kevin Boyce, Laura Brenneman, Greg Brown, Esra Bulbul, Edward Cackett, Edgar Canavan, Maria Chernyakova, Meng Chiao, Paolo Coppi, Elisa Costantini, Jelle de Plaa, Jan-Willem den Herder, Michael DiPirro, Chris Done, Tadayasu Dotani, John Doty, Ken Ebisawa, Megan Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew Fabian, Carlo Ferrigno, Adam Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi Gallo, Poshak Gandhi, Kirk Gilmore, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Daniel Haas, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Atsushi Harayama, Ilana Harrus, Isamu Hatsukade, Takayuki Hayashi, Katsuhiro Hayashi, Kiyoshi Hayashida, Junko Hiraga, Kazuyuki Hirose, Ann Hornschemeier, Akio Hoshino, John Hughes, Yuto Ichinohe, Ryo Iizuka, Yoshiyuki Inoue, Hajime Inoue, Kazunori Ishibashi, Manabu Ishida, Kumi Ishikawa, Kosei Ishimura, Yoshitaka Ishisaki, Masayuki Itoh, Naoko Iwata, Naoko Iyomoto, Chris Jewell, Jelle Kaastra, Timothy Kallman, Tuneyoshi Kamae, Erin Kara, Jun Kataoka, Satoru Katsuda, Junichiro Katsuta, Madoka Kawaharada, Nobuyuki Kawai, Taro Kawano, Shigeo Kawasaki, Dmitry Khangulyan, Caroline Kilbourne, Mark Kimball, Ashley King, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Tatsuro Kosaka, Alex Koujelev, Katsuji Koyama, Shu Koyama, Peter Kretschmar, Hans Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, Francois Lebrun, Shiu-Hang Lee, Maurice Leutenegger, Olivier Limousin, Michael Loewenstein, Knox Long, David Lumb, Grzegorz Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Candace Masters, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Daniel Mcguinness, Brian McNamara, Missagh Mehdipour, Joseph Miko, Jon Miller, Eric Miller, Shin Mineshige, Kenji Minesugi, Ikuyuki Mitsuishi, Takuya Miyazawa, Tsunefumi Mizuno, Koji Mori, Hideyuki Mori, Franco Moroso, Harvey Moseley, Theodore Muench, Koji Mukai, Hiroshi Murakami, Toshio Murakami, Richard Mushotzky, Housei Nagano, Ryo Nagino, Takao Nakagawa, Hiroshi Nakajima, Takeshi Nakamori, Toshio Nakano, Shinya Nakashima, Kazuhiro Nakazawa, Yoshiharu Namba, Chikara Natsukari, Yusuke Nishioka, Masayoshi Nobukawa, Kumiko Nobukawa, Hirofumi Noda, Masaharu Nomachi, Steve O' Dell, Hirokazu Odaka, Hiroyuki Ogawa, Mina Ogawa, Keiji Ogi, Masanori Ohno, Masayuki Ohta, Takashi Okajima, Atsushi Okamoto, Tsuyoshi Okazaki, Naomi Ota, Masanobu Ozaki, Frits Paerels, Stephane Paltani, Arvind Parmar, Robert Petre, Ciro Pinto, Martin Pohl, James Pontius, F. Scott Porter, Katja Pottschmidt, Brian Ramsey, Christopher Reynolds, Helen Russell, Samar Safi-Harb, Shinya Saito, Shin-ichiro Sakai, Kazuhiro Sakai, Hiroaki Sameshima, Toru Sasaki, Goro Sato, Yoichi Sato, Kosuke Sato, Rie Sato, Makoto Sawada, Norbert Schartel, Peter Serlemitsos, Hiromi Seta, Yasuko Shibano, Maki Shida, Megumi Shidatsu, Takanobu Shimada, Keisuke Shinozaki, Peter Shirron, Aurora Simionescu, Cynthia Simmons, Randall Smith, Gary Sneiderman, Yang Soong, Lukasz Stawarz, Yasuharu Sugawara, Hiroyuki Sugita, Satoshi Sugita, Andrew Szymkowiak, Hiroyasu Tajima, Hiromitsu Takahashi, Shin'ichiro Takeda, Yoh Takei, Toru Tamagawa, Takayuki Tamura, Keisuke Tamura, Takaaki Tanaka, Yasuo Tanaka, Yasuyuki Tanaka, Makoto Tashiro, Yuzuru Tawara, Yukikatsu Terada, Yuichi Terashima, Francesco Tombesi, Hiroshi Tomida, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Yasunobu Uchiyama, Hideki Uchiyama, Yoshihiro Ueda, Shutaro Ueda, Shiro Ueno, Shin'ichiro Uno, Meg Urry, Eugenio Ursino, Cor de Vries, Atsushi Wada, Shin Watanabe, Tomomi Watanabe, Norbert Werner, Daniel Wik, Dan Wilkins, Brian Williams, Takahiro Yamada, Shinya Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yaqoob, Yoichi Yatsu, Daisuke Yonetoku, Atsumasa Yoshida, Takayuki Yuasa, Irina Zhuravleva, Abderahmen Zoghbi

    SPACE TELESCOPES AND INSTRUMENTATION 2016: ULTRAVIOLET TO GAMMA RAY   9905   2016

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2232379

    Web of Science

    researchmap

  • In-orbit operation of the ASTRO-H SXS

    Masahiro Tsujimoto, Kazuhisa Mitsuda, Richard L. Kelley, Jan-Willem A. den Herder, Hiroki Akamatsu, Thomas G. Bialas, Kevin R. Boyce, Gregory V. Brown, Meng P. Chiao, Elisa Costantini, Cor P. de Vries, Michael J. DiPirro, Megan E. Eckart, Yuichiro Ezoe, Ryuichi Fujimoto, Daniel Haas, Akio Hoshino, Kumi Ishikawa, Yoshitaka Ishisaki, Naoko Iyomoto, Caroline A. Kilbourne, Shunji Kitamoto, Shu Koyama, Maurice A. Leutenegger, Dan McCammon, Ikuyuki Mitsuishi, Hiroshi Murakami, Masahide Murakami, Hirofumi Noda, Mina Ogawa, Naomi Ota, Stephane Paltani, Frederick S. Porter, Kosuke Sato, Yoichi Sato, Makoto Sawada, Hiromi Seta, Keisuke Shinozaki, Peter J. Shirron, Gary A. Sneiderman, Hiroyuki Sugita, Andrew E. Szymkowiak, Yoh Takei, Toru Tamagawa, Makoto S. Tashiro, Yukikatsu Terada, Shinya Yamada, Noriko Y. Yamasaki, Yoichi Yatsu

    SPACE TELESCOPES AND INSTRUMENTATION 2016: ULTRAVIOLET TO GAMMA RAY   9905   2016

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2231784

    Web of Science

    researchmap

  • Multi-wavelength Observations of the Black Widow Pulsar 2FGL J2339.6-0532 with OISTER and Suzaku

    Yatsu Yoichi, Kataoka Jun, Takahashi Yosuke, Tachibana Yutaro, Kawai Nobuyuki, Shibata Shimpei, Pike Sean, Yoshii Taketoshi, Arimoto Makoto, Saito Yoshihiko, Nakamori Takeshi, Sekiguchi Kazuhiro, Kuroda Daisuke, Yanagisawa Kenshi, Hanayama Hidekazu, Watanabe Makoto, Hamamoto Ko, Nakao Hikaru, Ozaki Akihito, Motohara Kentaro, Konishi Masahiro, Tateuchi Ken, Matsunaga Noriyuki, Morokuma Tomoki, Nagayama Takahiro, Murata Katsuhiro, Akitaya Hiroshi, Yoshida Michitoshi, Ali Gamal B., Essam Mohamed A., Isogai Mizuki, Arai Akira, Takahashi Hidenori, Hashimoto Osamu, Miyanoshita Ryo, Omodaka Toshihiro, Takahashi Jun, Tokimasa Noritaka, Matsuda Kentaro, Okumura Shin-ichiro, Nishiyama Kota, Urakawa Seitaro, Nogami Daisaku, Oasa Yumiko, OISTER Team

    The Astrophysical journal   Volume 802 ( Issue 2 )   84 - 84   2015.3

  • The 2009 multiwavelength campaign on Mrk 421: Variability and correlation studies

    Aleksić J., Ansoldi S., Antonelli L. A., Antoranz P., Babic A., Bangale P., Barres de Almeida U., Barrio J. A., Becerra González J., Bednarek W., Berger K., Bernardini E., Biland A., Blanch O., Bock R. K., Bonnefoy S., Bonnoli G., Borracci F., Bretz T., Carmona E., Carosi A., Carreto Fidalgo D., Colin P., Colombo E., Contreras J. L., Cortina J., Covino S., Da Vela P., Dazzi F., De Angelis A., De Caneva G., De Lotto B., Delgado Mendez C., Doert M., Domínguez A., Dominis Prester D., Dorner D., Doro M., Einecke S., Eisenacher D., Elsaesser D., Farina E., Ferenc D., Fonseca M. V., Font L., Frantzen K., Fruck C., García López R. J., Garczarczyk M., Garrido Terrats D., Gaug M., Giavitto G., Godinović N., González Muñoz A., Gozzini S. R., Hadamek A., Hadasch D., Herrero A., Hildebrand D., Hose J., Hrupec D., Idec W., Kadenius V., Kellermann H., Knoetig M. L., Krause J., Kushida J., La Barbera A., Lelas D., Lewandowska N., Lindfors E., Longo F., Lombardi S., López M., López-Coto R., López-Oramas A., Lorenz E., Lozano I., Makariev M., Mallot K., Maneva G., Mankuzhiyil N., Mannheim K., Maraschi L., Marcote B., Mariotti M., Martínez M., Mazin D., Menzel U., Meucci M., Miranda J. M., Mirzoyan R., Moralejo A., Munar-Adrover P., Nakajima D., Niedzwiecki A., Nilsson K., Nowak N., Orito R., Overkemping A., Paiano S., Palatiello M., Paneque D., Paoletti R., Paredes J. M., Paredes-Fortuny X., Partini S., Persic M., Prada F., Prada Moroni P. G., Prandini E., Preziuso S., Puljak I., Reinthal R., Rhode W., Ribó M., Rico J., RodriguezGarcia J., Rügamer S., Saggion A., Saito K., Salvati M., Satalecka K., Scalzotto V., Scapin V., Schultz C., Schweizer T., Shore S. N., Sillanpää A., Sitarek J., Snidaric I., Sobczynska D., Spanier F., Stamatescu V., Stamerra A., Steinbring T., Storz J., Sun S., Surić T., Takalo L., Tavecchio F., Temnikov P., Terzić T., Tescaro D., Teshima M., Thaele J., Tibolla O., Torres D. F., Toyama T., Treves A., Uellenbeck M., Vogler P., Wagner R. M., Zandanel F., Zanin R., MAGIC Collaboration, Archambault S., Behera B., Beilicke M., Benbow W., Bird R., Buckley J. H., Bugaev V., Cerruti M., Chen X., Ciupik L., Collins-Hughes E., Cui W., Dumm J., Eisch J. D., Falcone A., Federici S., Feng Q., Finley J. P., Fleischhack H., Fortin P., Fortson L., Furniss A., Griffin S., Griffiths S. T., Grube J., Gyuk G., Hanna D., Holder J., Hughes G., Humensky T. B., Johnson C. A., Kaaret P., Kertzman M., Khassen Y., Kieda D., Krawczynski H., Krennrich F., Kumar S., Lang M. J., Maier G., McArthur S., Meagher K., Moriarty P., Mukherjee R., Ong R. A., Otte A. N., Park N., Pichel A., Pohl M., Popkow A., Prokoph H., Quinn J., Ragan K., Rajotte J., Reynolds P. T., Richards G. T., Roache E., Rovero A. C., Sembroski G. H., Shahinyan K., Staszak D., Telezhinsky I., Theiling M., Tucci J. V., Tyler J., Varlotta A., Wakely S. P., Weekes T. C., Weinstein A., Welsing R., Wilhelm A., Williams D. A., Zitzer B., VERITAS Collaboration, Villata M., Raiteri C., Aller H. D., Aller M. F., Chen W. P., Jordan B., Koptelova E., Kurtanidze O. M., Lähteenmäki A., McBreen B., Larionov V. M., Lin C. S., Nikolashvili M. G., Angelakis E., Capalbi M., Carramiñana A., Carrasco L., Cassaro P., Cesarini A., Fuhrmann L., Giroletti M., Hovatta T., Krichbaum T. P., Krimm H. A., Max-Moerbeck W., Moody J. W., Maccaferri G., Mori Y., Nestoras I., Orlati A., Pace C., Pearson R., Perri M., Readhead A. C. S., Richards J. L., Sadun A. C., Sakamoto T., Tammi J., Tornikoski M., Yatsu Y., Zook A.

    Astronomy & Astrophysics   Volume 576 ( id.A 126 )   A126 - A126   2015.1

     More details

    Language:English   Publishing type:Research paper (scientific journal)   Publisher:EDP Sciences  

    DOI: 10.1051/0004-6361/201424216

    researchmap

  • GRB 130427A: A Nearby Ordinary Monster

    Maselli A., Melandri A., Nava L., Mundell C. G., Kawai N., Campana S., Covino S., Cummings J. R., Cusumano G., Evans P. A., Ghirlanda G., Ghisellini G., Guidorzi C., Kobayashi S., Kuin P., La Parola V., Mangano V., Oates S., Sakamoto T., Serino M., Virgili F., Zhang B.-B., Barthelmy S., Beardmore A., Bernardini M. G., Bersier D., Burrows D., Calderone G., Capalbi M., Chiang J., D'Avanzo P., D'Elia V., De Pasquale M., Fugazza D., Gehrels N., Gomboc A., Harrison R., Hanayama H., Japelj J., Kennea J., Kopac D., Kouveliotou C., Kuroda D., Levan A., Malesani D., Marshall F., Nousek J., O'Brien P., Osborne J. P., Pagani C., Page K. L., Page M., Perri M., Pritchard T., Romano P., Saito Y., Sbarufatti B., Salvaterra R., Steele I., Tanvir N., Vianello G., Weigand B., Wiersema K., Yatsu Y., Yoshii T., Tagliaferri G.

    Science   Volume 343 ( Issue 6166 )   48 - 51   2014.1

     More details

    Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Association for the Advancement of Science (AAAS)  

    Long-duration gamma-ray bursts (GRBs) are an extremely rare outcome of the collapse of massive stars and are typically found in the distant universe. Because of its intrinsic luminosity (<italic>L</italic> ∼ 3 × 1053 ergs per second) and its relative proximity (<italic>z</italic> = 0.34), GRB 130427A reached the highest fluence observed in the γ-ray band. Here, we present a comprehensive multiwavelength view of GRB 130427A with Swift, the 2-meter Liverpool and Faulkes telescopes, and by other ground-based facilities, highlighting the evolution of the burst emission from the prompt to the afterglow phase. The properties of GRB 130427A are similar to those of the most luminous, high-redshift GRBs, suggesting that a common central engine is responsible for producing GRBs in both the contemporary and the early universe and over the full range of GRB isotropic energies.

    DOI: 10.1126/science.1242279

    researchmap

  • Soft gamma-ray detector (SGD) onboard the ASTRO-H mission

    Yasushi Fukazawa, Hiroyasu Tajima, Shin Watanabe, Roger Blandford, Katsuhiro Hayashi, Atsushi Harayama, Jun Kataoka, Madoka Kawaharada, Motohide Kokubun, Philippe Laurent, François Lebrun, Olivier Limousin, Grzegorz M. Madejski, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Kazuhiro Nakazawa, Hirofumi Noda, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Shin'Ya Saito, Goro Sato, Rie Sato, Shin'Ichiro Takeda, Hiromitsu Takahashi, Tadayuki Takahashi, Yasuyuki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Kazutaka Yamaoka, Yoichi Yatsu, Daisuke Yonetoku, Takayuki Yuasa

    Proceedings of SPIE - The International Society for Optical Engineering   9144   2014

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2055292

    Scopus

    researchmap

  • Development of soft x-ray large solid angle camera onboard WF-MAXI

    Masashi Kimura, Hiroshi Tomida, Shiro Ueno, Nobuyuki Kawai, Yoichi Yatsu, Makoto Arimoto, Tatehiro Mihara, Motoko Serino, Hiroshi Tsunemi, Atsumasa Yoshida, Takanori Sakamoto, Takayoshi Kohmura, Hitoshi Negoro

    SPACE TELESCOPES AND INSTRUMENTATION 2014: ULTRAVIOLET TO GAMMA RAY   9144   2014

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2055610

    Web of Science

    researchmap

  • Development of the Hard X-ray Monitor onboard WF-MAXI

    Makoto Arimoto, Yoichi Yatsu, Nobuyuki Kawai, Hirokazu Ikeda, Atsushi Harayama, Shin'ichiro Takeda, Tadayuki Takahashi, Hiroshi Tomida, Shiro Ueno, Masashi Kimura, Tatehiro Mihara, Motoko Serino, Hiroshi Tsunemi, Atsumasa Yoshida, Takanori Sakamoto, Takayoshi Kohmura, Hitoshi Negoro, Yoshihiro Ueda

    SPACE TELESCOPES AND INSTRUMENTATION 2014: ULTRAVIOLET TO GAMMA RAY   9144   91445Z - 143   2014

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1117/12.2054942

    Web of Science

    CiNii Research

    researchmap

  • High-z gamma-ray bursts for unraveling the dark ages mission HiZ-GUNDAM

    Daisuke Yonetoku, Tatehiro Mihara, Tatsuya Sawano, Hirokazu Ikeda, Harayama Atsushi, Takata Shunsuke, Kazuki Yoshida, Hiroki Seta, Asuka Toyanago, Yasuaki Kagawa, Kentaro Kawai, Nobuyuki Kawai, Takanori Sakamoto, Motoko Serino, Shunsuke Kurosawa, Shuichi Gunji, Toru Tanimori, Toshio Murakami, Yoichi Yatsu, Kazutaka Yamaoka, Atsumasa Yoshida, Koji Kawabata, Toshio Matsumoto, Koji Tsumura, Shuji Matsuura, Mai Shirahata, Hirofumi Okita, Kensi Yanagisawa, Michitoshi Yoshida, Kentaro Motohara

    SPACE TELESCOPES AND INSTRUMENTATION 2014: ULTRAVIOLET TO GAMMA RAY   9144   2014

  • The ASTRO-H X-ray Astronomy Satellite

    Tadayuki Takahashi, Kazuhisa Mitsuda, Richard Kelley, Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steve Allen, Naohisa Anabuki, Lorella Angelini, Keith Arnaud, Makoto Asai, Marc Audard, Hisamitsu Awaki, Philipp Azzarello, Chris Baluta, Aya Bamba, Nobutaka Bando, Marshall Bautz, Thomas Bialas, Roger Blandford, Kevin Boyce, Laura Brenneman, Greg Brown, Edward Cackett, Edgar Canavan, Maria Chernyakova, Meng Chiao, Paolo Coppi, Elisa Costantini, Jelle de Plaa, Jan-Willem den Herder, Michael DiPirro, Chris Done, Tadayasu Dotani, John Doty, Ken Ebisawa, Teruaki Enoto, Yuichiro Ezoe, Andrew Fabian, Carlo Ferrigno, Adam Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Stefan Funk, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi Gallo, Poshak Gandhi, Kirk Gilmore, Matteo Guainazzi, Daniel Haas, Yoshito Haba, Kenji Hamaguchi, Atsushi Harayama, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Junko Hiraga, Kazuyuki Hirose, Ann Hornschemeier, Akio Hoshino, John Hughes, Una Hwang, Ryo Iizuka, Yoshiyuki Inoue, Kazunori Ishibashi, Manabu Ishida, Kumi Ishikawa, Kosei Ishimura, Yoshitaka Ishisaki, Masayuki Itoh, Naoko Iwata, Naoko Iyomoto, Chris Jewell, Jelle Kaastra, Timothy Kallman, Tuneyoshi Kamae, Jun Kataoka, Satoru Katsuda, Junichiro Katsuta, Madoka Kawaharada, Nobuyuki Kawai, Taro Kawano, Shigeo Kawasaki, Dmitry Khangaluyan, Caroline Kilbourne, Mark Kimball, Masashi Kimura, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Saori Konami, Tatsuro Kosaka, Alexander Koujelev, Katsuji Koyama, Hans Krimm, Aya Kubota, Hideyo Kunieda, Stephanie LaMassa, Philippe Laurent, Francois Lebrun, Maurice Leutenegger, Olivier Limousin, Michael Loewenstein, Knox Long, David Lumb, Grzegorz Madejski, Yoshitomo Maeda, Kazuo Makishima, Maxim Markevitch, Candace Masters, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Daniel McGuinness, Brian McNamara, Joseph Miko, Jon Miller, Eric Miller, Shin Mineshige, Kenji Minesugi, Ikuyuki Mitsuishi, Takuya Miyazawa, Tsunefumi Mizuno, Koji Mori, Hideyuki Mori, Franco Moroso, Theodore Muench, Koji Mukai, Hiroshi Murakami, Toshio Murakami, Richard Mushotzky, Housei Nagano, Ryo Nagino, Takao Nakagawa, Hiroshi Nakajima, Takeshi Nakamori, Shinya Nakashima, Kazuhiro Nakazawa, Yoshiharu Namba, Chikara Natsukari, Yusuke Nishioka, Masayoshi Nobukawa, Hirofumi Noda, Masaharu Nomachi, Steve O' Dell, Hirokazu Odaka, Hiroyuki Ogawa, Mina Ogawa, Keiji Ogi, Takaya Ohashi, Masanori Ohno, Masayuki Ohta, Takashi Okajima, Tsuyoshi Okazaki, Naomi Ota, Masanobu Ozaki, Frits Paerels, Stephane Paltani, Arvind Parmar, Robert Petre, Ciro Pinto, Martin Pohl, James Pontius, F. Scott Porter, Katja Pottschmidt, Brian Ramsey, Rubens Reis, Christopher Reynolds, Claudio Ricci, Helen Russell, Samar Safi-Harb, Shinya Saito, Shin-ichiro Sakai, Hiroaki Sameshima, Kosuke Sato, Rie Sato, Goro Sato, Makoto Sawada, Peter Serlemitsos, Hiromi Seta, Yasuko Shibano, Maki Shida, Takanobu Shimada, Peter Shirron, Aurora Simionescu, Cynthia Simmons, Randall Smith, Gary Sneiderman, Yang Soong, Lukasz Stawarz, Yasuharu Sugawara, Satoshi Sugita, Andrew Szymkowiak, Hiroyasu Tajima, Hiroaki Takahashi, Hiromitsu Takahashi, Shin-ichiro Takeda, Yoh Takei, Toru Tamagawa, Keisuke Tamura, Takayuki Tamura, Takaaki Tanaka, Yasuyuki Tanaka, Yasuo Tanaka, Makoto Tashiro, Yuzuru Tawara, Yukikatsu Terada, Yuichi Terashima, Francesco Tombesi, Hiroshi Tomida, Yoko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Hideki Uchiyama, Yasunobu Uchiyama, Yoshihiro Ueda, Shutaro Uedag, Shiro Ueno, Shinichiro Uno, Meg Urry, Eugenio Ursino, Cor de Vries, Atsushi Wada, Shin Watanabe, Tomomi Watanabe, Norbert Werner, Nicholas White, Dan Wilkins, Shinya Yamada, Takahiro Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yadoob, Yoichi Yatsu, Daisuke Yonetoku, Atsumasa Yoshida, Takayuki Yuasa, Irina Zhuravleva, Abderahmen Zoghbi, John ZuHone

    SPACE TELESCOPES AND INSTRUMENTATION 2014: ULTRAVIOLET TO GAMMA RAY   9144   2014

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2055681

    Web of Science

    researchmap

  • Pre-flight performance of a micro-satellite TSUBAME for X-ray polarimetry of gamma-ray bursts

    Yoichi Yatsu, Kei Ito, Shin Kurita, Makoto Arimoto, Nobuyuki Kawai, Masanori Matsushita, Shota Kawajiri, Shogo Kitamura, Saburo Matunaga, Shin'ichi Kimura, Jun Kataoka, Takeshi Nakamori, Sin Kubo

    SPACE TELESCOPES AND INSTRUMENTATION 2014: ULTRAVIOLET TO GAMMA RAY   9144   2014

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2056275

    Web of Science

    researchmap

  • Development and verification of signal processing system of BGO active shield onboard Astro-H

    Masanori Ohno, Shin'Ya Tokuda, Takafumi Kawano, Shunya Furui, Ikumi Edahiro, Hiromitsu Takahashi, Kunihiro Goto, Yasushi Fukazawa, Hiroaki Murakami, Syogo Kobayashi, Soki Sakurai, Makoto Sasano, Shunsuke Torii, Toshio Nakano, Ko Ono, Kazuma Miyake, Terukazu Nishida, Kazuhiro Nakazawa, Kazuo Makishima, Kouichi Hagino, Takayuki Yuasa, Hirokazu Odaka, Rie Sato, Shin Watanabe, Motohide Kokubun, Goro Sato, Jun Kataoka, Tatsuhiko Saito, Kazutaka Yamaoka, Hiroyasu Tajima, Yoichi Yatsu, Takeshi Nakamori, Hideki Uchiyama, Daisuke Yonetoku

    Proceedings of SPIE - The International Society for Optical Engineering   9144   2014

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2055676

    Scopus

    researchmap

  • X-ray γ-ray polarimetry small satellite PolariS

    Kiyoshi Hayashida, Daisuke Yonetoku, Shuichi Gunji, Toru Tamagawa, Tatehiro Mihara, Tsunefumi Mizuno, Hiromitsu Takahashi, Tadayasu Dotani, Hidetoshi Kubo, Yoichi Yatsu, Fuyuku Tokanai, Takeshi Nakamori, Shinpei Shibata, Asami Hayato, Akihiro Furuzawa, Yuji Kishimoto, Shunji Kitamoto, Kenji Toma, Masaaki Sadamoto, Keigo Yoshinaga, Juyong Kim, Shunichiro Ide, Fumiyoshi Kamitsukasa, Naohisa Anabuki, Hiroshi Tsunemi, Jun Katagiri, Juri Sugimoto

    Proceedings of SPIE - The International Society for Optical Engineering   9144   2014

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2056685

    Scopus

    researchmap

  • X-ray gamma-ray Polarimetry Small Satellite PolariS

    Kiyoshi Hayashida, Daisuke Yonetoku, Shuichi Gunji, Toru Tamagawa, Tatehiro Mihara, Tsunefumi Mizuno, Hiromitsu Takahashi, Tadayasu Dotani, Hidetoshi Kubo, Yoichi Yatsu, Fuyuki Tokanai, Takeshi Nakamori, Shinpei Shibata, Asami Hayato, Akihiro Furuzawa, Yuji Kishimoto, Shunji Kitamoto, Kenji Toma, Masaaki Sadamoto, Keigo Yoshinaga, Kim Juyong, Shunichiro Ide, Fumiyoshi Kamitsukasa, Naohisa Anabuki, Hiroshi Tsunemi, Jun Katagiri, Juri Sugimoto

    SPACE TELESCOPES AND INSTRUMENTATION 2014: ULTRAVIOLET TO GAMMA RAY   9144   2014

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.2056685

    Web of Science

    researchmap

  • Wide-Field MAXI: soft X-ray transient monitor on the ISS

    Nobuyuki Kawai, Hiroshi Tomida, Yoichi Yatsu, Tatehiro Mihara, Shiro Ueno, Masahi Kimura, Makoto Arimoto, Motoko Serino, Takanori Sakamoto, Hiroshi Tsunemi, Takayoshi Kohmura, Hitoshi Negoro, Yoshihiro Ueda, Mikio Morii, Yohko Tsuboi, Ken Ebisawa, Atsumasa Yoshida

    SPACE TELESCOPES AND INSTRUMENTATION 2014: ULTRAVIOLET TO GAMMA RAY   9144   2014

  • Spatially Resolved Spectroscopy of a Pulsar Wind Nebula in MSH 15-56

    Yatsu Yoichi, Asano Katsuaki, Kawai Nobuyuki, Yano Yuki, Nakamori Takeshi

    The Astrophysical Journal   Volume 773 ( Issue 1 )   2013.8

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1088/0004-637X/773/1/25

    Web of Science

    researchmap

  • Radio-Quiet Millisecond Pulsars : Fermi Discovery of New Type Pulsars Reviewed

    YATSU Yoichi, KAWAI Nobuyuki, KATAOKA Jun, TAKAHASHI Yosuke

    106 ( 4 )   254 - 262   2013.2

     More details

  • Development of high performance Avalanche Photodiodes and dedicated analog systems for HXI/SGD detectors onboard the Astro-H mission

    T. Saito, T. Nakamori, M. Yoshino, H. Mizoma, J. Kataoka, K. Kawakami, Y. Yatsu, M. Ohno, K. Goto, Y. Hanabata, H. Takahashi, Y. Fukazawa, M. Sasano, S. Torii, H. Uchiyama, K. Nakazawa, K. Makishima, S. Watanabe, M. Kokubun, T. Takahashi, K. Mori, H. Tajima

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   699   230 - 234   2013.1

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1016/j.nima.2012.05.061

    Scopus

    researchmap

  • Optical and infrared lightcurve modeling of the gamma-ray millisecond pulsar 2FGL j2339.6-0532

    Yen, T.-C., Kong, A.K.-H., Yatsu, Y., Hanayama, H., Nagayama, T.

    Journal of Astronomy and Space Sciences   30 ( 3 )   2013

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.5140/JASS.2013.30.3.159

    Scopus

    researchmap

  • Toward Identifying the Unassociated Gamma-Ray Source 1FGL J1311.7-3429 with X-Ray and Optical Observations

    Kataoka J., Yatsu Y., Kawai N., Urata Y., Cheung C. C., Takahashi Y., Maeda K., Totani T., Makiya R., Hanayama H., Miyaji T., Tsai A.

    The Astrophysical Journal   Volume 757 ( Issue 2 )   2012.9

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1088/0004-637X/757/2/176

    Web of Science

    researchmap

  • Expected radiation damage of reverse-type APDs for the Astro-H mission

    Kataoka, J., Saito, T., Yoshino, M., Mizoma, H., Nakamori, T., Yatsu, Y., Ishikawa, Y., Matsunaga, Y., Tajima, H., Kokubun, M., Edwards, P.G.

    Journal of Instrumentation   7 ( 6 )   2012.6

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1088/1748-0221/7/06/P06001

    Scopus

    researchmap

  • Discovery of an Unidentified Fermi Object as a Black Widow-like Millisecond Pulsar

    Kong A. K. H., Huang R. H. H., Cheng K. S., Takata J., Yatsu Y., Cheung C. C., Donato D., Lin L. C. C., Kataoka J., Takahashi Y., Maeda K., Hui C. Y., Tam P. H. T.

    The Astrophysical Journal Letters   Volume 747 ( Issue 1 )   2012.2

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1088/2041-8205/747/1/L3

    Scopus

    researchmap

  • Development of a micro-satellite TSUBAME for X-ray polarimetry of GRBs

    Yoichi Yatsu, Mayumi Hayashi, Kousuke Kawakami, Kazuki Tokoyoda, Takahiro Enomoto, Takahiro Toizumi, Nobuyuki Kawai, Kazuya Ishizaka, Azusa Muta, Hiroyuki Morishita, Saburo Matsunaga, Takeshi Nakamori, Jun Kataoka, Shin Kubo

    DEATH OF MASSIVE STARS: SUPERNOVAE AND GAMMA-RAY BURSTS   ( 279 )   423 - 424   2012

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1017/S1743921312013658

    Web of Science

    researchmap

  • The Hard X-ray Imager (HXI) for the ASTRO-H mission

    Motohide Kokubun, Kazuhiro Nakazawa, Teruaki Enoto, Yasushi Fukazawa, Jun Kataoka, Madoka Kawaharada, Philippe Laurent, Francois Lebrun, Olivier Limousin, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Goro Sato, Rie Sato, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Takaaki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Yoichi Yatsu, Takayuki Yuasa

    Proceedings of SPIE - The International Society for Optical Engineering   8443   2012

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.925648

    Scopus

    researchmap

  • Soft Gamma-ray Detector for the ASTRO-H mission

    Shin Watanabe, Hiroyasu Talima, Yasushi Fukazawa, Roger Blandford, Teruaki Enoto, Jun Kataoka, Madoka Kawaharada, Motohide Kokubun, Philippe Laurent, Francois Lebrun, Olivier Limousin, Greg Madejski, Kazuo Makishima, Tsunefumi Mizuno, Takeshi Nakamori, Kazuhiro Nakazawa, Kunishiro Mori, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Goro Sato, Rie Sato, Shin'ichiro Takeda, Hiromitsu Takahashi, Tadayuki Takahashi, Takaaki Tanaka, Makoto Tashiro, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shinya Yamada, Yoichi Yatsu, Daisuke Yonetoku, Takayuki Yuasa

    SPACE TELESCOPES AND INSTRUMENTATION 2012: ULTRAVIOLET TO GAMMA RAY   8443   2012

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.925977

    Web of Science

    researchmap

  • Fermi large area telescope observations of Markarian 421: The missing piece of its spectral energy distribution Reviewed

    A.A. Abdo, M. Ackermann, M. Ajello, L. Baldini, J. Ballet, G. Barbiellini, D. Bastieri, K. Bechtol, R. Bellazzini, B. Berenji, R.D. Blandford, E.D. Bloom, E. Bonamente, A.W. Borgland, A. Bouvier, J. Bregeon, A. Brez, M. Brigida, P. Bruel, R. Buehler, S. Buson, G.A. Caliandro, R.A. Cameron, A. Cannon, P.A. Caraveo, S. Carrigan, J.M. Casandjian, E. Cavazzuti, C. Cecchi, Ö. Çelik, E. Charles, A. Chekhtman, J. Chiang, S. Ciprini, R. Claus, J. Cohen-Tanugi, J. Conrad, S. Cutini, A. De Angelis, F. De Palma, C.D. Dermer, E. Do Couto E Silva, P.S. Drell, R. Dubois, D. Dumora, L. Escande, C. Favuzzi, S.J. Fegan, J. Finke, W.B. Focke, P. Fortin, M. Frailis, L. Fuhrmann, Y. Fukazawa, T. Fukuyama, S. Funk, P. Fusco, F. Gargano, D. Gasparrini, N. Gehrels, M. Georganopoulos, S. Germani, B. Giebels, N. Giglietto, P. Giommi, F. Giordano, M. Giroletti, T. Glanzman, G. Godfrey, I.A. Grenier, S. Guiriec, D. Hadasch, M. Hayashida, E. Hays, D. Horan, R.E. Hughes, G. Jóhannesson, A.S. Johnson, W.N. Johnson, M. Kadler, T. Kamae, H. Katagiri, J. Kataoka, J. Knödlseder, M. Kuss, J. Lande, L. Latronico, S.-H. Lee, F. Longo, F. Loparco, B. Lott, M.N. Lovellette, P. Lubrano, G.M. Madejski, A. Makeev, W. Max-Moerbeck, M.N. Mazziotta, J.E. Mcenery, J. Mehault, P.F. Michelson, W. Mitthumsiri, T. Mizuno, C. Monte, M.E. Monzani, A. Morselli, I.V. Moskalenko, S. Murgia, T. Nakamori, M. Naumann-Godo, S. Nishino, P.L. Nolan, J.P. Norris, E. Nuss, T. Ohsugi, A. Okumura, N. Omodei, E. Orlando, J.F. Ormes, M. Ozaki, D. Paneque, J.H. Panetta, D. Parent, V. Pavlidou, T.J. Pearson, V. Pelassa, M. Pepe, M. Pesce-Rollins, M. Pierbattista, F. Piron, T.A. Porter, S. Rainò, R. Rando, M. Razzano, A. Readhead, A. Reimer, O. Reimer, L.C. Reyes, J.L. Richards, S. Ritz, M. Roth, H.F.-W. Sadrozinski, D. Sanchez, A. Sander, C. Sgrò, E.J. Siskind, P.D. Smith, G. Spandre, P. Spinelli, Ł. Stawarz, M. Stevenson, M.S. Strickman, D.J. Suson, H. Takahashi, T. Takahashi, T. Tanaka, J.G. Thayer, J.B. Thayer, D.J. Thompson, L. Tibaldo, D.F. Torres, G. Tosti, A. Tramacere, E. Troja, T.L. Usher, J. Vandenbroucke, V. Vasileiou, G. Vianello, N. Vilchez, V. Vitale, A.P. Waite, P. Wang, A.E. Wehrle, B.L. Winer, K.S. Wood, Z. Yang, Y. Yatsu, T. Ylinen, J.A. Zensus, M. Ziegler, J. Aleksić, L.A. Antonelli, P. Antoranz, M. Backes, J.A. Barrio, J.B. González, W. Bednarek, A. Berdyugin, K. Berger, E. Bernardini, A. Biland, O. Blanch, R.K. Bock, A. Boller, G. Bonnoli, P. Bordas, D.B. Tridon, V. Bosch-Ramon, D. Bose, I. Braun, T. Bretz, M. Camara, E. Carmona, A. Carosi, P. Colin, E. Colombo, J.L. Contreras, J. Cortina, S. Covino, F. Dazzi, A. De Angelis, E. De Cea Del Pozo, C.D. Mendez, B. De Lotto, M. De Maria, F. De Sabata, A.D. Ortega, M. Doert, A. Domínguez, D.D. Prester, D. Dorner, M. Doro, D. Elsaesser, D. Ferenc, M.V. Fonseca, L. Font, R.J.G. López, M. Garczarczyk, M. Gaug, G. Giavitto, N. Godinovi, D. Hadasch, A. Herrero, D. Hildebrand, D. Höhne-Mönch, J. Hose, D. Hrupec, T. Jogler, S. Klepser, T. Krä

    Astrophysical Journal   736 ( 2 )   2011.8

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1088/0004-637X/736/2/131

    Web of Science

    Scopus

    researchmap

  • Searching for X-ray counterparts of fermi gamma-ray pulsars in suzaku observations

    Yu Aoki, Takahiro Enomoto, Yoichi Yatsu, Nobuyuki Kawai, Takeshi Nakamori, Jun Kataoka, P. Saz Parkinson

    Proceedings of the International Astronomical Union   7 ( S279 )   317 - 318   2011.4

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1017/S1743921312013130

    Scopus

    researchmap

  • Study of very early phase GRB afterglows with MITSuME

    Yoshihiko Saito, Yoichi Yatsu, Hideya Nakajima, Nobuyuki Kawai, Katsuaki Asano, Yu Aoki, Mayumi Hayashi, Seongdeng Song, Kosuke Kawakami, Kazuki Tokoyoda, Takahiro Enomoto, Ryuichi Usui, Daisuke Kuroda, Kenshi Yanagisawa, Hiroyasu Shimizu, Hiroyuki Toda, Shogo Nagayama, Hidekazu Hanayama, Michitoshi Yoshida, Koji Ohta

    Proceedings of the International Astronomical Union   7 ( S279 )   387 - 388   2011.4

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1017/S1743921312013476

    Scopus

    researchmap

  • INSIGHTS INTO THE HIGH-ENERGY γ-RAY EMISSION OF MARKARIAN 501 FROM EXTENSIVE MULTIFREQUENCY OBSERVATIONS IN THEFERMIERA

    A. A. Abdo, M. Ackermann, M. Ajello, A. Allafort, L. Baldini, J. Ballet, G. Barbiellini, M. G. Baring, D. Bastieri, K. Bechtol, R. Bellazzini, B. Berenji, R. D. Blandford, E. D. Bloom, E. Bonamente, A. W. Borgland, A. Bouvier, T. J. Brandt, J. Bregeon, A. Brez, M. Brigida, P. Bruel, R. Buehler, S. Buson, G. A. Caliandro, R. A. Cameron, A. Cannon, P. A. Caraveo, S. Carrigan, J. M. Casandjian, E. Cavazzuti, C. Cecchi, Ö. Çelik, E. Charles, A. Chekhtman, C. C. Cheung, J. Chiang, S. Ciprini, R. Claus, J. Cohen-Tanugi, J. Conrad, S. Cutini, C. D. Dermer, F. de Palma, E. do Couto e Silva, P. S. Drell, R. Dubois, D. Dumora, C. Favuzzi, S. J. Fegan, E. C. Ferrara, W. B. Focke, P. Fortin, M. Frailis, L. Fuhrmann, Y. Fukazawa, S. Funk, P. Fusco, F. Gargano, D. Gasparrini, N. Gehrels, S. Germani, N. Giglietto, F. Giordano, M. Giroletti, T. Glanzman, G. Godfrey, I. A. Grenier, L. Guillemot, S. Guiriec, M. Hayashida, E. Hays, D. Horan, R. E. Hughes, G. Jóhannesson, A. S. Johnson, W. N. Johnson, M. Kadler, T. Kamae, H. Katagiri, J. Kataoka, J. Knödlseder, M. Kuss, J. Lande, L. Latronico, S.-H. Lee, M. Lemoine-Goumard, F. Longo, F. Loparco, B. Lott, M. N. Lovellette, P. Lubrano, G. M. Madejski, A. Makeev, W. Max-Moerbeck, M. N. Mazziotta, J. E. McEnery, J. Mehault, P. F. Michelson, W. Mitthumsiri, T. Mizuno, A. A. Moiseev, C. Monte, M. E. Monzani, A. Morselli, I. V. Moskalenko, S. Murgia, M. Naumann-Godo, S. Nishino, P. L. Nolan, J. P. Norris, E. Nuss, T. Ohsugi, A. Okumura, N. Omodei, E. Orlando, J. F. Ormes, D. Paneque, J. H. Panetta, D. Parent, V. Pavlidou, T. J. Pearson, V. Pelassa, M. Pepe, M. Pesce-Rollins, F. Piron, T. A. Porter, S. Rainò, R. Rando, M. Razzano, A. Readhead, A. Reimer, O. Reimer, J. L. Richards, J. Ripken, S. Ritz, M. Roth, H. F.-W. Sadrozinski, D. Sanchez, A. Sander, J. D. Scargle, C. Sgrò, E. J. Siskind, P. D. Smith, G. Spandre, P. Spinelli, Ł. Stawarz, M. Stevenson, M. S. Strickman, K. V. Sokolovsky, D. J. Suson, H. Takahashi, T. Takahashi, T. Tanaka, J. B. Thayer, J. G. Thayer, D. J. Thompson, L. Tibaldo, D. F. Torres, G. Tosti, A. Tramacere, Y. Uchiyama, T. L. Usher, J. Vandenbroucke, V. Vasileiou, N. Vilchez, V. Vitale, A. P. Waite, P. Wang, A. E. Wehrle, B. L. Winer, K. S. Wood, Z. Yang, T. Ylinen, J. A. Zensus, M. Ziegler, J. Aleksić, L. A. Antonelli, P. Antoranz, M. Backes, J. A. Barrio, J. Becerra González, W. Bednarek, A. Berdyugin, K. Berger, E. Bernardini, A. Biland, O. Blanch, R. K. Bock, A. Boller, G. Bonnoli, P. Bordas, D. Borla Tridon, V. Bosch-Ramon, D. Bose, I. Braun, T. Bretz, M. Camara, E. Carmona, A. Carosi, P. Colin, E. Colombo, J. L. Contreras, J. Cortina, S. Covino, F. Dazzi, A. de Angelis, E. De Cea del Pozo, B. De Lotto, M. De Maria, F. De Sabata, C. Delgado Mendez, A. Diago Ortega, M. Doert, A. Domínguez, D. Dominis Prester, D. Dorner, M. Doro, D. Elsaesser, D. Ferenc, M. V. Fonseca, L. Font, R. J. García López, M. Garczarczyk, M. Gaug, G. Giavitto, N. Godinovi, D. Hadasch, A. Herrero, D. Hildebrand, D. Höhne-Mönch, J. Hose, D. Hrupec, T. Jogler, S. Klepser, T. Krähenbühl, D. Kranich, J. Krause, A. La Barbera, E. Leonardo, E. Lindfors, S. Lombardi, M. López, E. Lorenz, P. Majumdar, E. Makariev, G. Maneva, N. Mankuzhiyil, K. Mannheim, L. Maraschi, M. Mariotti, M. Martínez, D. Mazin, M. Meucci, J. M. Miranda, R. Mirzoyan, H. Miyamoto, J. Moldón, A. Moralejo, D. Nieto, K. Nilsson, R. Orito, I. Oya, R. Paoletti, J. M. Paredes, S. Partini, M. Pasanen, F. Pauss, R. G. Pegna, M. A. Perez-Torres, M. Persic, J. Peruzzo, J. Pochon, P. G. Prada Moroni, F. Prada, E. Prandini, N. Puchades, I. Puljak, T. Reichardt, R. Reinthal, W. Rhode, M. Ribó, J. Rico, M. Rissi, S. Rügamer, A. Saggion, K. Saito, T. Y. Saito, M. Salvati, M. Sánchez-Conde, K. Satalecka, V. Scalzotto, V. Scapin, C. Schultz, T. Schweizer, M. Shayduk, S. N. Shore, A. Sierpowska-Bartosik, A. Sillanpää, J. Sitarek, D. Sobczynska, F. Spanier, S. Spiro, A. Stamerra, B. Steinke, J. Storz, N. Strah, J. C. Struebig, T. Suric, L. O. Takalo, F. Tavecchio, P. Temnikov, T. Terzić, D. Tescaro, M. Teshima, H. Vankov, R. M. Wagner, Q. Weitzel, V. Zabalza, F. Zandanel, R. Zanin, V. A. Acciari, T. Arlen, T. Aune, W. Benbow, D. Boltuch, S. M. Bradbury, J. H. Buckley, V. Bugaev, A. Cannon, A. Cesarini, L. Ciupik, W. Cui, R. Dickherber, M. Errando, A. Falcone, J. P. Finley, G. Finnegan, L. Fortson, A. Furniss, N. Galante, D. Gall, G. H. Gillanders, S. Godambe, J. Grube, R. Guenette, G. Gyuk, D. Hanna, J. Holder, D. Huang, C. M. Hui, T. B. Humensky, P. Kaaret, N. Karlsson, M. Kertzman, D. Kieda, A. Konopelko, H. Krawczynski, F. Krennrich, M. J. Lang, G. Maier, S. McArthur, A. McCann, M. McCutcheon, P. Moriarty, R. Mukherjee, R. Ong, A. N. Otte, D. Pandel, J. S. Perkins, A. Pichel, M. Pohl, J. Quinn, K. Ragan, L. C. Reyes, P. T. Reynolds, E. Roache, H. J. Rose, A. C. Rovero, M. Schroedter, G. H. Sembroski, G. D. Senturk, D. Steele, S. P. Swordy, G. Tešić, M. Theiling, S. Thibadeau, A. Varlotta, S. Vincent, S. P. Wakely, J. E. Ward, T. C. Weekes, A. Weinstein, T. Weisgarber, D. A. Williams, M. Wood, B. Zitzer, M. Villata, C. M. Raiteri, H. D. Aller, M. F. Aller, A. A. Arkharov, D. A. Blinov, P. Calcidese, W. P. Chen, N. V. Efimova, G. Kimeridze, T. S. Konstantinova, E. N. Kopatskaya, E. Koptelova, O. M. Kurtanidze, S. O. Kurtanidze, A. Lähteenmäki, V. M. Larionov, E. G. Larionova, L. V. Larionova, R. Ligustri, D. A. Morozova, M. G. Nikolashvili, L. A. Sigua, I. S. Troitsky, E. Angelakis, M. Capalbi, A. Carramiñana, L. Carrasco, P. Cassaro, E. de la Fuente, M. A. Gurwell, Y. Y. Kovalev, Yu. A. Kovalev, T. P. Krichbaum, H. A. Krimm, P. Leto, M. L. Lister, G. Maccaferri, J. W. Moody, Y. Mori, I. Nestoras, A. Orlati, C. Pagani, C. Pace, R. Pearson, M. Perri, B. G. Piner, A. B. Pushkarev, E. Ros, A. C. Sadun, T. Sakamoto, M. Tornikoski, Y. Yatsu, A. Zook

    The Astrophysical Journal   727 ( 2 )   129 - 129   2011.2

     More details

    Publishing type:Research paper (scientific journal)   Publisher:American Astronomical Society  

    DOI: 10.1088/0004-637x/727/2/129

    researchmap

  • Development of the small satellite "tsubame"

    T. Toizumi, T. Enomoto, Y. Yatsu, T. Nakamori, N. Kawai, K. Ishizaka, A. Muta, H. Morishita, K. Akiyama, N. Kisa, S. Inagawa, M. Kawakubo, J. Nishida, S. Mizunuma, S. Matsunaga, J. Kataoka

    Physica E: Low-Dimensional Systems and Nanostructures   43 ( 3 )   685 - 688   2011.1

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1016/j.physe.2010.07.029

    Scopus

    researchmap

  • Development micro-satellite TSUBAME for polarimetry of gamma-ray bursts

    Yoichi Yatsu, Takahiro Enomoto, Kosuke Kawakami, Kazuki Tokoyoda, Takahiro Toizumi, Nobuyuki Kawai, Kazuya Ishizaka, Saburo Matsunaga, Takeshi Nakamori, Jun Kataoka, Sin Kubo

    UV, X-RAY, AND GAMMA-RAY SPACE INSTRUMENTATION FOR ASTRONOMY XVII   8145   2011

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.893372

    Web of Science

    researchmap

  • The small satellite "Tsubame" for polarimetry of GRBs

    T. Toizumi, K. Kawakami, K. Tokoyoda, T. Enomoto, Y. Yatsu, N. Kawai, T. Nakamori, J. Kataoka, S. Kubo

    AIP Conference Proceedings   1358   435 - 437   2011

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1063/1.3621822

    Scopus

    researchmap

  • The small satellite "tsubame" for polarimetry of GRBs

    T. Toizumi, K. Kawakami, K. Tokoyoda, T. Enomoto, Y. Yatsu, N. Kawai, T. Nakamori, J. Kataoka, S. Kubo

    AIP Conference Proceedings   1357   355 - 357   2011

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1063/1.3615157

    Scopus

    researchmap

  • In-orbit performance of avalanche photodiode as radiation detector on board the picosatellite Cute-1.7+APD II

    Kataoka, J., Toizumi, T., Nakamori, T., Yatsu, Y., Tsubuku, Y., Kuramoto, Y., Enomoto, T., Usui, R., Kawai, N., Ashida, H., Omagari, K., Fujihashi, K., Inagawa, S., Miura, Y., Konda, Y., Miyashita, N., Matsunaga, S., Ishikawa, Y., Matsunaga, Y., Kawabata, N. .

    Journal of Geophysical Research (Space Physics)   Vol. 115 ( No. )   2010.5

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1029/2009JA014699

    Scopus

    researchmap

  • The ASTRO-H Mission

    Tadayuki Takahashi, Kazuhisa Mitsuda, Richard Kelley, Felix Aharonian, Fumie Akimoto, Steve Allen, Naohisa Anabuki, Lorella Angelini, Keith Arnaud, Hisamitsu Awaki, Aya Bamba, Nobutaka Bando, Mark Bautz, Roger Blandford, Kevin Boyce, Greg Brown, Maria Chernyakova, Paolo Coppi, Elisa Costantini, Jean Cottam, John Crow, Jelle de Plaa, Cor de Vries, Jan-Willem den Herder, Michael DiPirro, Chris Done, Tadayasu Dotani, Ken Ebisawa, Teruaki Enoto, Yuichiro Ezoe, Andrew Fabian, Ryuichi Fujimoto, Yasushi Fukazawa, Stefan Funk, Akihiro Furuzawa, Massimiliano Galeazzi, Poshak Gandhi, Keith Gendreau, Kirk Gilmore, Yoshito Haba, Kenji Hamaguchi, Isamu Hatsukade, Kiyoshi Hayashida, J. Hiraga, Kazuyuki Hirose, Ann Hornschemeier, John Hughes, Una Hwang, Ryo Iizuka, Kazunori Ishibashi, Manabu Ishida, Kosei Ishimura, Yoshitaka Ishisaki, Naoki Isobe, Masayuki Ito, Naoko Iwata, Jelle Kaastra, Timothy Kallman, Tuneyoshi Kamae, Hideaki Katagiri, Jun Kataoka, Satoru Katsuda, Madoka Kawaharada, Nobuyuki Kawai, Shigeo Kawasaki, Dmitry Khangaluyan, Caroline Kilbourne, Kenzo Kinugasa, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Tatsuro Kosaka, Taro Kotani, Katsuji Koyama, Aya Kubota, Hideyo Kunieda, Philippe Laurent, Francois Lebrun, Olivier Limousin, Michael Loewenstein, Knox Long, Grzegorz Madejski, Yoshitomo Maeda, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Jon Miller, Shin Mineshige, Kenji Minesugi, Takuya Miyazawa, Tsunefumi Mizuno, Koji Mori, Hideyuki Mori, Koji Mukai, Hiroshi Murakami, Toshio Murakami, Richard Mushotzky, Yujin Nakagawa, Takao Nakagawa, Hiroshi Nakajima, Takeshi Nakamori, Kazuhiro Nakazawa, Yoshiharu Namba, Masaharu Nomachi, Steve O' Dell, Hiroyuki Ogawa, Mina Ogawa, Keiji Ogi, Takaya Ohashi, Masanori Ohno, Masayuki Ohta, Takashi Okajima, Naomi Ota, Masanobu Ozaki, Frits Paerels, Stephane Paltani, Arvind Parmer, Robert Petre, Martin Pohl, Scott Porter, Brian Ramsey, Christopher Reynolds, Shin-ichiro Sakai, Rita Sambruna, Goro Sato, Yoichi Sato, Peter Serlemitsos, Maki Shida, Takanobu Shimada, Keisuke Shinozaki, Peter Shirron, Randall Smith, Gary Sneiderman, Yang Soong, Lukasz Stawarz, Hiroyuki Sugita, Andrew Szymkowiak, Hiroyasu Tajima, Hiromitsu Takahashi, Yoh Takei, Toru Tamagawa, Takayuki Tamura, Keisuke Tamura, Takaaki Tanaka, Yasuo Tanaka, Yasuyuki Tanaka, Makoto Tashiro, Yuzuru Tawara, Yukikatsu Terada, Yuichi Terashima, Francesco Tombesi, Hiroshi Tomida, Miyako Tozuka, Yoko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Yasunobu Uchiyama, Hideki Uchiyama, Yoshihiro Ueda, Shinichiro Uno, Meg Urry, Shin Watanabe, Nicholas White, Takahiro Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Yoichi Yatsu, Daisuke Yonetoku, Atsumasa Yoshida

    SPACE TELESCOPES AND INSTRUMENTATION 2010: ULTRAVIOLET TO GAMMA RAY   7732   2010

  • Hard X-ray Imager (HXI) for the ASTRO-H mission Reviewed

    Motohide Kokubun, Kazuhiro Nakazawa, Teruaki Enoto, Yasushi Fukazawa, Kirk Gilmore, Jun Kataoka, Madoka Kawaharada, Philippe Laurent, Francois Lebrun, Olivier Limousin, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Masanori Ohno, Masayuki Ohta, Goro Sato, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Takaaki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Yoichi Yatsu, Kazutaka Yamaoka

    SPACE TELESCOPES AND INSTRUMENTATION 2010: ULTRAVIOLET TO GAMMA RAY   7732   2010

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.857933

    Web of Science

    researchmap

  • Development of X-ray/gamma-ray imaging spectrometer with reach-through APD arrays

    T. Nakamori, T. Enomoto, T. Toizumi, Y. Yatsu, N. Kawai, J. Kataoka, Y. Ishikawa, T. Kawai, N. Kawabata, Y. Matsunaga

    AIP Conference Proceedings   1279   400 - 402   2010

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1063/1.3509325

    Scopus

    researchmap

  • Performance of a multi-anode photomultiplier employing an ultra bi-alkali photo-cathode and rugged dynodes

    Toizumi, T., Inagawa, S., Nakamori, T., Kataoka, J., Tsubuku, Y., Yatsu, Y., Shimokawabe, T., Kawai, N., Okada, T., Ohtsu, I. .

    Nuclear Instruments and Methods in Physics Research A   Vol. 604 ( No. )   168 - 173   2009.6

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.nima.2009.01.063

    Scopus

    researchmap

  • Discovery of the Inner Ring around PSR B1509-58

    Yoichi Yatsu, Nobuyuki Kawai, Shinpei Shibata, Wolfgang Brinkmann

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   61 ( 1 )   129 - 135   2009.2

  • TSUBAME: toward the Frontier of X-ray/Gamma-ray Polarimetry in Astronomy

    Toizumi, T., Kataoka, J., Tsubuku, Y., Kobayashi, M., Yatsu, Y., Makoto Arimoto, Shimokawabe, T., Kawai, N., Omagari, K., Fujiwara, K., Ashida, H., Nishida, J., Fujihashi, K., Inagawa, S., Miura, Y., Matsunaga, S. .

    Transactions of Space Technology Japan   Vol. 7 ( No. )   Tm_31 - Tm_35   2009

     More details

    Language:English   Publishing type:Research paper (scientific journal)   Publisher:THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES  

    &ldquo;TSUBAME&rdquo; is a university-built small satellite mission to measure polarization of hard X-ray photons (30-200 keV) from gamma-ray bursts (GRBs) using azimuthal anisotropy of Compton-scattered photons. Polarimetry in the hard X-ray and soft &gamma;-ray bands should provide crucial information for understanding the high-energy emission mechanisms and the distribution of magnetic fields and radiation fields in the astrophysical sources. TSUBAME has two instruments: the Wide-field Burst Monitor (WBM) and the Hard X-ray Compton Polarimeter (HXCP). The WBM determines on board the direction of the burst occurrence with an accuracy of 10 degrees, then using a high speed attitude control device, the HXCP is pointed to the GRB within 15 seconds after the burst occurrence to promptly detect polarized X-ray photons from the GRB. We present an overview of the TSUBAME mission, its estimated scientific capability for detecting GRBs and measuring their X-ray polarization, development of multi-anode photomultiplier tubes that use ultra bi-alkali photocathodes, and the future plans of this mission.

    DOI: 10.2322/tstj.7.Tm_31

    researchmap

  • MITSuME: Multicolor optical/NIR telescopes for GRB afterglows Reviewed

    Takashi Shimokawabe, Nobuyuki Kawai, Yuki A. Mori, Yusuke Kudo, Hideya Nakajima, Michitoshi Yoshida, Kenshi Yanagisawa, Shogo Nagayama, Hiroyuki Toda, Yasuhiro Shimizu, Daisuke Kuroda, Jun'ichi Watanabe, Hideo Fukushima, Masaki Mori

    AIP Conference Proceedings   1133   79 - 81   2009

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1063/1.3155974

    Web of Science

    Scopus

    researchmap

  • Development of wide-band X-ray/gamma-ray imagers using reach through APD arrays

    T. Nakamori, J. Kataoka, T. Toizumi, M. Koizumi, S. Tanaka, Y. Kanai, Y. Yatsu, N. Kawai, Y. Ishikawa, T. Kawai, N. Kawabata, Y. Matsunaga

    AIP Conference Proceedings   1133   73 - 75   2009

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1063/1.3155972

    Scopus

    researchmap

  • Development of the X-ray polarimetry small satellite "TSUBAME"

    T. Toizumi, T. Nakamori, J. Kataoka, Y. Tsubuku, Y. Yatsu, T. Shimokawabe, M. Arimoto, N. Kawai, K. Omagari, H. Ashida, S. Matsunaga

    AIP Conference Proceedings   1133   85 - 87   2009

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1063/1.3155978

    Scopus

    researchmap

  • Study of Pulsar wind nebulae with Chandra

    Yoichi Yatsu

    2008.3

     More details

    Language:English   Publishing type:Doctoral thesis  

    researchmap

  • MITSuME: Multicolor optical/NIR telescopes for GRB afterglows

    Takashi Shimokawabe, Nobuyuki Kawai, Taro Kotani, Yoichi Yatsu, Takuto Ishimura, Nicolas Vasquez, Yuki Mori, Yusuke Kudo, Michitoshi Yoshida, Kenshi Yanagisawa, Shogo Nagayama, Hiroyuki Toda, Yasuhiro Shimozu, Daisuke Kuroda, Junichi Watanabe, Hideo Fukushima, Masaki Mori

    AIP Conference Proceedings   1000   543 - 546   2008

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1063/1.2943527

    Scopus

    researchmap

  • Multicolor optical observation of GRB061121 by MITSuME Reviewed

    T. Ishimura, N. Kawai, T. Kotani, Y. Yatsu, T. Shimokawabe, N. Vasquez

    GAMMA-RAY BURSTS 2007   1000   261 - 264   2008

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    Web of Science

    researchmap

  • A study of rapid expanding H II region RCW 89

    Y. Yatsu, N. Kawai, J. Kataoka, W. Brinkmann

    AIP Conference Proceedings   983   219 - 221   2008

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1063/1.2900147

    Scopus

    researchmap

  • X-ray polarimetry small satellite TSUBAME

    Makoto Arimoto, Yoshihiro Tsubuku, Takahiro Toizumi, Mitsuyoshi Kobayashi, Yoichi Yatsu, Takashi Shimokawabe, Jun Kataoka, Nobuyuki Kawai, Kuniyuki Omagari, Ken Fujiwara, Yasumi Konda, Yohei Tanaka, Masaki Maeno, Tomio Yamanaka, Hiroki Ashida, Junichi Nishida, Kouta Fujihashi, Takuro Ikeda, Shinichi Inagawa, Yoshiyuki Miura, Saburo Matunaga

    AIP Conference Proceedings   1000   607 - 610   2008

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1063/1.2943543

    Scopus

    researchmap

  • Hole multiplication in a reverse-type avalanche photodiode

    Mitsuhiro Sato, Takayuki Yanagida, Akira Yoshikawa, Yoichi Yatsu, Jun Kataoka, Fumio Saito

    IEEE Nuclear Science Symposium Conference Record   2   1486 - 1490   2007.12

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1109/NSSMIC.2007.4437280

    Scopus

    researchmap

  • Development of MITSuME - Multicolor imaging telescopes for survey and monstrous explosions Reviewed

    Yoichi Yatsu, Nobuyuki Kawai, Takashi Shimokawabe, Nicolas Vasquez, Takuto Ishimura, Taro Kotani, Kenshi Yanagisawa, Michitoshi Yoshida, Sinngo Nagayama, Hiroyasu Shimizu, Hiroyuki Toda, Daisuke Kuroda

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES   40 ( 2 )   434 - 437   2007.12

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.physe.2007.06.050

    Web of Science

    CiNii Research

    researchmap

    Other Link: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-07J07479/

  • Development of wideband X-ray and gamma-ray spectrometer using transmission-type, large-area APD Reviewed

    Tanaka, S., Kataoka, J., Kanai, Y., Yatsu, Y., Arimoto, M., Koizumi, M., Kawai, N., Ishikawa, Y., Kawai, S., Kawabata, N.

    Nuclear Instruments and Methods in Physics Research A   Vol. 582 ( No. )   562 - 568   2007.11

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.nima.2007.08.238

    Scopus

    researchmap

  • Pre-flight performance and radiation hardness of the Tokyo Tech pico-satellite Cute-1.7

    J. Kotoku, J. Kataoka, Y. Kuramoto, Y. Tsubuku, Y. Yatsu, R. Sato, T. Ikagawa, T. Saito, N. Kawai, K. Konoue, N. Miyashita, M. Iai, K. Omagari, M. Kashiwa, H. Yabe, K. Imai, Miyamoto, K. Fujiwara, S. Masumoto, T. Usuda, T. Iljic, A. Konda, S. Sugita, T. Yamanaka, D. Matsuura, T. Sagami, S. Kajiwara, Y. Funaki, S. Matsunaga, T. Shima, S. Kishimoto

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   565 ( 2 )   677 - 685   2006.9

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.nima.2006.05.247

    Scopus

    researchmap

  • An active gain-control system for Avalanche photo-diodes under moderate temperature variations

    J. Kataoka, R. Sato, T. Ikagawa, J. Kotoku, Y. Kuramoto, Y. Tsubuku, T. Saito, Y. Yatsu, N. Kawai, Y. Ishikawa, N. Kawabata

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   564 ( 1 )   300 - 307   2006.8

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.nima.2006.03.033

    Scopus

    researchmap

  • Study of avalanche photodiodes for soft X-ray detection below 20 keV

    Y. Yatsu, Y. Kuramoto, J. Kataoka, J. Kotoku, T. Saito, T. Ikagawa, R. Sato, N. Kawai, S. Kishimoto, K. Mori, T. Kamae, Y. Ishikawa, N. Kawabata

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   564 ( 1 )   134 - 143   2006.8

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.nima.2006.03.035

    Scopus

    researchmap

  • An optical spectrum of the afterglow of a γ-ray burst at a redshift of z = 6.295 Reviewed

    Kawai, N., Kosugi, G., Aoki, K., Yamada, T., Totani, T., Ohta, K., Iye, M., Hattori, T., Aoki, W., Furusawa, H., Hurley, K., Kawabata, K.S., Kobayashi, N., Komiyama, Y., Mizumoto, Y., Nomoto, K., Noumaru, J., Ogasawara, R., Sato, R., Sekiguchi, K., Shirasaki, Y., Suzuki, M., Takata, T., Tamagawa, T., Terada, H., Watanabe, J., Yatsu, Y., Yoshida, A.

    Nature   440 ( 7081 )   184 - 186   2006

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1038/nature04498

    Scopus

    J-GLOBAL

    researchmap

  • Chandra observation of RCW 89 at two epochs

    Y. Yatsu, N. Kawai, J. Kataoka, T. Tamura, W. Brinkmann

    European Space Agency, (Special Publication) ESA SP   1 ( 604 )   379 - 380   2006

     More details

    Publishing type:Research paper (international conference proceedings)  

    Scopus

    researchmap

  • The observation campaign of SS 433 in april 2006

    T. Kotani, K. Kubota, M. Namiki, N. Kawai, Y. Ueda, S. Trushkin, S. Fabrika, V. Afanasiev, P. Abolmasov, K. Kinugasa, T. Nagata, T. Irsmambetova, T. Tsukagoshi, K. Nakanishi, M. Tsuboi, S. Ozaki, K. Yanagisawa, S. Nishiyama, T. Shimokawabe, Y. Yatsu, T. Ishimura, K. Fujisawa

    International Conference Recent Advances in Natural Language Processing, RANLP   50.1   2006

     More details

    Language:English   Publishing type:Research paper (international conference proceedings)  

    Scopus

    researchmap

  • Chandra observation of the interaction between the hot plasma nebula RCW 89 and the pulsar jet of PSR B1509-58

    Y Yatsu, N Kawai, J Kataoka, T Kotani, K Tamura, W Brinkmann

    ASTROPHYSICAL JOURNAL   631 ( 1 )   312 - 319   2005.9

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1086/432590

    Web of Science

    researchmap

  • MITSuME - Multicolor Imaging Telescopes for Survey and Monstrous Explosions

    T Kotani, N Kawai, K Yanagisawa, J Watanabe, M Arimoto, H Fukushima, T Hattori, M Inata, H Izumiura, J Kataoka, H Koyano, K Kubota, D Kuroda, J Mori, S Nagayama, K Ohta, T Okada, K Okita, R Sato, Y Serino, Y Shimizu, T Shimokawabe, M Suzuki, H Toda, T Ushiyama, Y Yatsu, A Yoshida, M Yoshida

    NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA C-COLLOQUIA ON PHYSICS   28 ( 4-5 )   755 - 758   2005.7

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1393/ncc/i2005-10190-5

    Web of Science

    researchmap

  • Recent progress of avalanche photodiodes in high-resolution X-rays and γ-rays detection

    J. Kataoka, T. Saito, Y. Kuramoto, T. Ikagawa, Y. Yatsu, J. Kotoku, M. Arimoto, N. Kawai, Y. Ishikawa, N. Kawabata

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   541 ( 1-2 )   398 - 404   2005.4

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1016/j.nima.2005.01.081

    Scopus

    researchmap

  • Study of large area Hamamatsu avalanche photodiode in a γ-ray scintillation detector

    T. Ikagawa, J. Kataoka, Y. Yatsu, T. Saito, Y. Kuramoto, N. Kawai, M. Kokubun, T. Kamae, Y. Ishikawa, N. Kawabata

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   538 ( 1-3 )   640 - 650   2005.2

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.nima.2004.09.021

    Scopus

    researchmap

  • Chandra observation of the interaction between the plasma nebula RCW89 and the pulsar jet of PSR B1509-58

    Y. Yatsu, J. Kataoka, N. Kawai, K. Tamura, W. Brinkmann

    Advances in Space Research   35 ( 6 )   1066 - 1069   2005

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1016/j.asr.2005.05.015

    Scopus

    researchmap

  • MITSuME - Multicolor imaging telescopes for survey and monstrous explosions

    T. Kotani, N. Kawai, K. Yanagisawa, J. Watanabe, M. Arimoto, H. Fukushima, T. Hattori, M. Inata, H. Izumiura, J. Kataoka, H. Koyano, K. Kubota, D. Kuroda, M. Mori, S. Nagayama, K. Ohta, T. Okada, K. Okita, R. Sato, Y. Serino, Y. Shimizu, T. Shimokawabe, M. Suzuki, H. Toda, T. Ushiyama, Y. Yatsu, A. Yoshida, M. Yoshida

    Nuovo Cimento della Societa Italiana di Fisica C   28 ( 4-5 )   755 - 758   2005

     More details

    Publishing type:Research paper (scientific journal)  

    Scopus

    researchmap

  • Design and development of Tokyo Tech pico-satellite Cute-1.7

    Jun'ichi Kotoku, Jun Kataoka, Yusuke Kuramoto, Yoichi Yatsu, Tomoko Ikagawa, Takao Saito, Nobuyuki Kawai, Naoki Miyashita, Masafumi Iai, Kuniyuki Omagari, Ken Fujiwara, Yusuke Funaki, Hideyuki Yabe, Saburo Matunaga, Tatsushi Shima

    Proceedings of SPIE - The International Society for Optical Engineering   5898   1 - 10   2005

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.614224

    Scopus

    researchmap

  • Near-infrared, optical, and X-ray observations of the anomalous X-ray pulsar 4U 0142 + 61

    Mikio Morii, Nobuyuki Kawai, Jun Kataoka, Yoichi Yatsu, Naoto Kobayashi, Hiroshi Terada

    Advances in Space Research   35 ( 6 )   1177 - 1180   2005

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1016/j.asr.2005.04.051

    Scopus

    researchmap

  • Hu-ring: A small university satellite for gamma-ray burst

    N. Kawai, H. Okada, N. Miyashita, T. Urabe, M. Kashiwa, T. Tachikawa, N. Yamaguchi, K. Omagari, I. Morita, Y. Yamamoto, Y. Yatsu, T. Ikagawa, J. Kataoka, S. Matunaga

    Proceedings of SPIE - The International Society for Optical Engineering   5488 ( PART 2 )   967 - 976   2004

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.550848

    Scopus

    researchmap

  • Performance of the most recent avalanche photodiodes for future X-ray and gamma-ray astronomy

    J. Kataoka, T. Ikagawa, Y. Yatsu, Y. Kuramoto, T. Saito, N. Kawai, Y. Serino, J. Kotoku, Y. Ishikawa, N. Kawabata

    Proceedings of SPIE - The International Society for Optical Engineering   5501   249 - 260   2004

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.549755

    Scopus

    researchmap

  • Earliest detection of the optical afterglow of GRB 030329 and its variability Reviewed

    R Sato, N Kawai, M Suzuki, Y Yatsu, J Kataoka, R Takagi, K Yanagisawa, H Yamaoka

    PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT   599 ( 155 )   411 - 412   2004

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1143/PTPS.155.411

    Web of Science

    Scopus

    researchmap

  • Robotic telescope for rapid gamma-ray burst follow-up observations

    R. Sato, N. Kawai, M. Suzuki, Y. Yatsu, J. Kataoka

    Proceedings of SPIE - The International Society for Optical Engineering   5492 ( PART 2 )   859 - 870   2004

     More details

    Publishing type:Research paper (international conference proceedings)  

    DOI: 10.1117/12.550890

    Scopus

    researchmap

  • Performance of large-area avalanche photodiode for low-energy X-rays and γ-rays scintillation detection

    T. Ikagawa, J. Kataoka, Y. Yatsu, N. Kawai, K. Mori, T. Kamae, H. Tajima, T. Mizuno, Y. Fukazawa, Y. Ishikawa, N. Kawabata, T. Inutsuka

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   515 ( 3 )   671 - 679   2003.12

     More details

    Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.nima.2003.07.024

    Scopus

    researchmap

  • Earliest detection of the optical afterglow of GRB 030329 and its variability

    R Sato, N Kawai, M Suzuki, Y Yatsu, J Kataoka, R Takagi, K Yanagisawa, H Yamaoka

    ASTROPHYSICAL JOURNAL   599 ( 1 )   L9 - L12   2003.12

     More details

    Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1086/381157

    Web of Science

    researchmap

▼display all

MISC

  • Possible anti-correlations between pulsation amplitudes and the disk growth of Be stars in giant-outbursting Be X-ray binaries

    Masafumi Niwano, Michael M. Fausnaugh, Ryan M. Lau, Kishalay De, Roberto Soria, George R. Ricker, Roland Vanderspek, Michael C. B. Ashley, Nicholas Earley, Matthew J. Hankins, Mansi M. Kasliwal, Anna M. Moore, Jamie Soon, Tony Travouillon, Mahito Sasada, Ichiro Takahashi, Yoichi Yatsu, Nobuyuki Kawai

    2024.9

     More details

    The mechanism of X-ray outbursts in Be X-ray binaries remains a mystery, and
    understanding their circumstellar disks is crucial for a solution of the
    mass-transfer problem. In particular, it is important to identify the Be star
    activities (e.g., pulsations) that cause mass ejection and, hence, disk
    formation. Therefore, we investigated the relationship between optical flux
    oscillations and the infrared (IR) excess in a sample of five Be X-ray
    binaries. Applying the Lomb-Scargle technique to high-cadence optical light
    curves from the Transiting Exoplanet Survey Satellite (TESS), we detected
    several significant oscillation modes in the 3 to 24 hour period range for each
    source. We also measured the IR excess (a proxy for disk growth) of those five
    sources, using J-band light curves from Palomar Gattini-IR. In four of the five
    sources, we found anti-correlations between the IR excess and the amplitude of
    the main flux oscillation modes. This result is inconsistent with the
    conventional idea that non-radial pulsations drive mass ejections. We propose
    an alternative scenario where internal temperature variations in the Be star
    cause transitions between pulsation-active and mass-ejection-active states.

    arXiv

    researchmap

    Other Link: http://arxiv.org/pdf/2409.09581v1

  • 小型衛星INSPIRE搭載BGOアクティブシールドの最適化と性能評価

    小笠原聖純, 片岡淳, 田中香津生, 岩下稜司, 森椋平, 須賀友也, 谷津陽一, 中条俊大, 渡邉圭, 安田萌恵, 小林大輝, 大坪恵人, 大平明日香, 大西光延, 武田伸一郎

    日本天文学会年会講演予稿集   2024   2024

  • 機械学習による突発天体識別器のMITSuME望遠鏡追観測システムへの実装

    高橋一郎, 笹田真人, 庭野聖史, 佐藤翔太, 樋口成和, 関響, 武井宏延, 谷津陽一, 河合誠之, 篠田浩一, 井上中順, 村田勝寛, 伊藤亮介, 下川辺隆史

    日本天文学会年会講演予稿集   2024   2024

  • 宇宙可視光背景放射観測6U衛星VERTECS:バスシステム開発状況

    中川俊輔, 佐野圭, CORDOVA-ALARCON Jose Rodrigo, HUGO Schuls Victor, 中山大輔, ROSALES Reynel Josue Galindo, 増井博一, AREDA Eyoas Ergetu, CHATAR Keenan Alexsei Aamir, EZRA Fielding, 大谷將壽, 林田健太郎, 宮川大樹, 川崎悠貴, BASTIEN Morelle Bernard Andre, 唐木翔平, 佐藤凛, SHRESTHA Hari R., NARONGPHUN Chinathip, OERGER Necmi Cihan, HUSSEINAT Etti-Balogun Oluwatofunmi, ROSA Marco, 田中一晃, 鶴本航平, DAVID Dai, 中川貴雄, 松原英雄, 宮崎康行, 平子敬一, 船瀬龍, 榎木谷海, 田中颯, 五十里哲, 軸屋一郎, 谷津陽一

    日本天文学会年会講演予稿集   2024   2024

  • 小型衛星搭載コンプトンカメラの構造及びRaspberry Pi制御システムの開発

    森椋平, 片岡淳, 田中香津生, 岩下稜司, 須賀友也, 小笠原聖純, 谷津陽一, 中条俊大, 渡邉圭, 安田萌恵, 小林大輝, 大坪恵人, 大平明日香, 大西光延, 武田伸一郎

    日本天文学会年会講演予稿集   2024   2024

  • 超小型衛星による宇宙可視光背景放射観測ミッションVERTECS

    佐野, 圭, 趙, 孟佑, 北村, 健太郎, 寺本, 万里子, 増井, 博一, 布施, 哲人, 瀧本, 幸司, 中川, 貴雄, 松原, 英雄, 磯部, 直樹, 和田, 武彦, 宮崎, 康行, 船瀬, 龍, 松浦, 周二, 津村, 耕司, 高橋, 葵, 五十里, 哲, 谷津, 陽一, 軸屋, 一郎, 青柳, 賢英

    V237a   2023.3

     More details

    Language:Japanese  

    日本天文学会2023年春季年会, 2023年3月13日-16日, 立教大学, 東京

    CiNii Research

    researchmap

  • Structural Development of UV-Astronomy, Land/Sea Spectral Observation Satellite PETREL

    荒井湧介, 安田萌恵, 吉村大樹, 小林寛之, 中野徹, 谷津陽一

    宇宙科学技術連合講演会講演集(CD-ROM)   67th   2023

  • Development of Satellite Operation System for the UV-astronomy and Land/Sea sectral observation satellite PETREL

    村田悠, 藤田剛太, 石黒雅美, 楠絵莉子, 中野徹, 卯尾匡史, 飯塚千晴, 小林宏章, 徳安彰大, 斉藤遼, 大平明日香, 能登亮太朗, 小澤俊貴, 渡邉奎, 小林寛之, 谷津陽一

    宇宙科学技術連合講演会講演集(CD-ROM)   67th   2023

  • Development of ultraviolet-ray astronomy mission system of the UV-astronomy and Land/Sea spectral observation satellite PETREL

    田代克樹, 大平明日香, 能登亮太朗, 福田美実, 関響, 早津俊祐, 武井宏延, 小澤俊貴, 小林寛之, 渋川雅人, 野口雄弘, 村田悠, 白籏麻衣, 江野口章人, 武山芸英, 谷津陽一

    宇宙科学技術連合講演会講演集(CD-ROM)   67th   2023

  • Thermal Design of an Ultraviolet Telescope in the Development of Micro-Satellite “PETREL”

    早津俊祐, 福田美実, 原拓輝, 尾形舜, 中村倫敦, 能登亮太朗, 大平明日香, 関響, 武井宏延, 大坪恵人, 笹川悠太, 渡邊奎, 小澤俊貴, 小林寛之, 天木祐希, 安田萌恵, 谷津陽一, 河合誠之, 中野徹, 白旗麻衣, 江野口章人, 武山芸英

    宇宙科学技術連合講演会講演集(CD-ROM)   67th   2023

  • 科学観測に用いる民生用冷却CMOSカメラの性能評価

    野口雄弘, 早津俊祐, 高橋一郎, 谷津陽一, 笹田真人, 庭野聖史, 佐藤翔太, 樋口成和, 関響, 武井宏延

    日本天文学会年会講演予稿集   2023   2023

  • Development status of Land/Sea spectral observation technology utilizing ultra-low cost and high precision attitude control satellite bus system

    谷津陽一, 小林寛之, 小澤俊貴, 小林大輝, 大坪恵人, 安田萌恵, 徳安彰大, 三木晴太, 宮本清菜, 福田美実, 大平明日香, 能登亮太郎, 早津俊祐, 渡邉奎, 中条俊大, 若生一広, 青柳賢英, 武山芸英, 江野口章人, 白籏麻衣, 小林宏章, 村田悠, 中野徹, 卯尾匡史, 楠絵莉子, 飯塚千晴

    宇宙科学技術連合講演会講演集(CD-ROM)   67th   2023

  • On-orbit Operation Results and Future Prospects of the Variable Shape Attitude Control Demonstration Satellite HIBARI

    渡邉奎, 小林寛之, 天木祐希, 高橋健一郎, 小林大輝, 西尾陸, 尾関優作, 田代克樹, 斉藤遼, 川口雄生, 宮本清菜, 中条俊大, 谷津陽一, 松永三郎

    宇宙科学技術連合講演会講演集(CD-ROM)   67th   2023

  • Development of broadband MeV Compton Camera for small satellites

    岩下稜司, 森椋平, 須賀友也, 小笠原聖純, 田尾萌梨, 田中香津生, 片岡淳, 谷津陽一, 中条俊大

    応用物理学会秋季学術講演会講演予稿集(CD-ROM)   84th   2023

  • 軟X線から硬X線の広帯域を高感度で撮像分光する衛星計画FORCEの現状(15)

    森浩二, 武田彩希, 村上弘志, 寺田幸功, 久保田あや, 山田智史, 馬場彩, 小高裕和, 谷津陽一, 小林翔悟, 幸村孝由, 内山泰伸, 佐藤寿紀, 北山哲, 高橋忠幸, 石田学, 渡辺伸, 山口弘悦, 藤田裕, 中嶋大, 萩野浩一, 中澤知洋, 古澤彰浩, 鶴剛, 上田佳宏, 内田裕之, 榎戸輝揚, 水本岬希, 田中孝明, 鈴木寛大, 松本浩典, 野田博文, 常深博, 伊藤真之, 信川正順, 信川久実子, 太田直美, 粟木久光, 寺島雄一, 志達めぐみ, 深沢泰司, 水野恒史, 高橋弘充, 谷本敦, 赤松弘規, HORNSCHEMEIER Ann.E, OKAJIMA Takashi, ZHANG W.William, VENTERS Tonia, YUKITA Mihoko

    日本天文学会年会講演予稿集   2023   2023

  • 宇宙可視光背景放射観測6U衛星VERTECS:全体進捗状況

    佐野圭, 趙孟佑, 北村健太郎, 寺本万里子, 増井博一, 布施哲人, 瀧本幸司, 山内貴志, 中山大輔, OERGER Necmi Cihan, CORDOVA-ALARCON Jose Rodrigo, SCHULZ Victor Hugo, OFOSU Joseph, 中川貴雄, 松原英雄, 磯部直樹, 宮崎康行, 平子敬一, 船瀬龍, 松浦周二, 和田武彦, 津村耕司, 高橋葵, 五十里哲, 谷津陽一, 軸屋一郎, 青柳賢英

    日本天文学会年会講演予稿集   2023   2023

  • ブレーザーS5 0716+714の多波長スペクトルの時間変動解析

    佐藤翔太, 谷津陽一, 河合誠之, 笹田真人, 高橋一郎, 村田勝寛

    日本天文学会年会講演予稿集   2023   2023

  • 天文観測衛星「うみつばめ」による観測画像の指向決定手法の検証

    大平明日香, 能登亮太朗, 福田美実, 早津俊佑, 関響, 武井宏延, 庭野聖史, 田代克樹, 小林寛之, 渡邉奎, 高橋一郎, 笹田真人, 谷津陽一, 小澤俊貴, 小澤俊貴

    日本天文学会年会講演予稿集   2023   2023

  • ブラックホールX線連星MAXIJ1820+070の長期光度曲線の解析

    樋口成和, 村田勝寛, 河合誠之, 庭野聖史, 笹田真人, 高橋一郎, 谷津陽一, 伊藤亮介, 志達めぐみ, 花山秀和, 堀内貴史

    日本天文学会年会講演予稿集   2023   2023

  • 天文観測衛星「うみつばめ」搭載用紫外線望遠鏡の熱設計

    福田美実, 原拓輝, 尾形舜, 中村倫敦, 能登亮太朗, 大平明日香, 早津俊祐, 関響, 武井宏延, 谷津陽一, 河合誠之, 大坪恵人, 笹川悠太, 渡邉奎, 小澤俊貴, 小林寛之, 天木祐希, 安田萌恵, 中野徹, 江野口章人, 白旗麻衣, 武山芸英

    日本天文学会年会講演予稿集   2023   2023

  • 光赤外線大学間連携OISTERによるマルチメッセンジャー天文学

    村田勝寛, 太田耕司, 野上大作, 高橋幸弘, 齊藤大晶, 大朝由美子, 土居守, 瀧田怜, 谷津陽一, 高橋一郎, 金田英宏, 楠根貴成, 伊藤洋一, 高橋隼, 川端弘治, 中岡竜也, 永山貴宏, 泉浦秀行, 花山秀和, 早津夏己

    日本天文学会年会講演予稿集   2023   2023

  • Attitude Determination and Control Subsystem Development of the UV-Astronomy and Land/Sea Spectral Observation Microsatelllite PETREL

    天木祐希, 渡邉奎, 小林寛之, 小林大輝, 尾関優作, 吉田英生, 谷津陽一, 小林宏章, 卯尾匡史, 中野徹, 楠絵莉子, 村田悠

    宇宙科学技術連合講演会講演集(CD-ROM)   67th   2023

  • Electrical Power Subsystem development of the UV-astronomy and Land/Sea spectral observation satellite PETREL

    三木晴太, 宮本清菜, 白石響, 小林寛之, 小林宏章, 谷津陽一

    宇宙科学技術連合講演会講演集(CD-ROM)   67th   2023

  • MITSuME望遠鏡画像に対する深層学習を用いた突発天体検知システムの構築

    伊藤, 尚泰, Ito, Naohiro, 村田, 勝寛, Murata, Katsuhiro, 細川, 稜平, Hosokawa, Ryohei, 笹田, 真人, Sasada, Mahito, 庭野, 聖史, Niwano, Masafumi, 谷津, 陽一, Yatsu, Yoichi, 河合, 誠之, Kawai, Nobuyuki, 篠田, 浩一, Shinoda, Koichi, 井上, 中順, Inoue, Nakamasa, 伊藤, 亮介, Itoh, Ryosuke, 下川辺, 隆史, Shimokawabe, Takashi

    日本天文学会2022年秋季年会講演予稿集   2022.9

     More details

    Language:Japanese   Publisher:公益社団法人 日本天文学会  

    identifier:oai:t2r2.star.titech.ac.jp:50636760

    CiNii Research

    researchmap

  • 衛星からの画像解析と姿勢推定—Image Recognition Utilizing Machine Learning in Space and Its Application to Attitude Determination for Space Crafts—機械学習特集(2)

    谷津 陽一, 渡邉 奎

    天文月報 = The astronomical herald   115 ( 8 )   507 - 516   2022.8

     More details

  • 突発天体探査衛星うみつばめ搭載の紫外線望遠鏡の熱設計

    原拓輝, 尾形舜, 中村倫敦, 能登亮太朗, 高久雅輝, 笹川悠太, 小松龍世, 川口直毅, 安田萌恵, 浅葉薫, 谷津陽一, 河合誠之, 江野口章人

    日本天文学会年会講演予稿集   2022   2022

  • MITSuME望遠鏡画像に対する深層学習を用いた突発天体検知システムの構築

    伊藤尚泰, 村田勝寛, 細川稜平, 笹田真人, 庭野聖史, 谷津陽一, 河合誠之, 篠田浩一, 井上中順, 伊藤亮介, 下川辺隆史

    日本天文学会年会講演予稿集   2022   2022

  • 軟X線から硬X線の広帯域を高感度で撮像分光する衛星計画FORCEの現状(13)

    森浩二, 武田彩希, 村上弘志, 寺田幸功, 久保田あや, 榎戸輝揚, 馬場彩, 小高裕和, 谷本敦, 谷津陽一, 小林翔悟, 幸村孝由, 萩野浩一, 内山泰伸, 佐藤寿紀, 北山哲, 高橋忠幸, 石田学, 渡辺伸, 山口弘悦, 藤田裕, 中嶋大, 中澤知洋, 古澤彰浩, 鶴剛, 上田佳宏, 内田裕之, 水本岬希, 田中孝明, 鈴木寛大, 松本浩典, 野田博文, 常深博, 伊藤真之, 信川正順, 信川久実子, 太田直美, 粟木久光, 寺島雄一, 志達めぐみ, 深沢泰司, 水野恒史, 高橋弘充, 大野雅功, 赤松弘規, HORNSCHEMEIER A. E., 岡島崇, ZHANG W. W., VENTERS T., YUKITA M.

    日本天文学会年会講演予稿集   2022   2022

  • 軟X線から硬X線の広帯域を高感度で撮像分光する衛星計画FORCEの現状(14)

    森浩二, 武田彩希, 村上弘志, 寺田幸功, 久保田あや, 榎戸輝揚, 馬場彩, 小高裕和, 谷本敦, 谷津陽一, 小林翔悟, 幸村孝由, 内山泰伸, 佐藤寿紀, 北山哲, 高橋忠幸, 石田学, 渡辺伸, 山口弘悦, 藤田裕, 中嶋大, 萩野浩一, 中澤知洋, 古澤彰浩, 鶴剛, 上田佳宏, 内田裕之, 水本岬希, 田中孝明, 鈴木寛大, 松本浩典, 野田博文, 常深博, 伊藤真之, 信川正順, 信川久実子, 太田直美, 粟木久光, 寺島雄一, 志達めぐみ, 深沢泰司, 水野恒史, 高橋弘充, 赤松弘規, HORNSCHEMEIER A.E, 岡島崇, ZHANG W.W., VENTERS T., YUKITA M.

    日本天文学会年会講演予稿集   2022   2022

  • 中性子星X線連星Aql X-1のX線及び可視光変動の研究

    庭野, 聖史, Niwano, Masafumi, 村田, 勝寛, Murata, Katsuhiro, 河合, 誠之, Kawai, Nobuyuki, 安達, 稜, Adachi, Ryo, 細川, 稜平, Hosokawa, Ryohei, 谷津, 陽一, Yatsu, Yoichi

    日本天文学会2021年秋季年会講演予稿集   2021.9

     More details

    Language:Japanese   Publisher:公益社団法人 日本天文学会  

    identifier:oai:t2r2.star.titech.ac.jp:50688177

    CiNii Research

    researchmap

  • 軟X線から硬X線の広帯域を高感度で撮像分光する衛星計画FORCEの現状(12)

    森浩二, 武田彩希, 村上弘志, 寺田幸功, 久保田あや, 榎戸輝揚, 馬場彩, 小高裕和, 谷津陽一, 小林翔悟, 幸村孝由, 萩野浩一, 内山泰伸, 佐藤寿紀, 北山哲, 高橋忠幸, 高橋忠幸, 石田学, 渡辺伸, 山口弘悦, 藤田裕, 中嶋大, 中澤知洋, 古澤彰浩, 鶴剛, 上田佳宏, 内田裕之, 田中孝明, 鈴木寛大, 松本浩典, 野田博文, 常深博, 伊藤真之, 信川正順, 信川久実子, 太田直美, 粟木久光, 寺島雄一, 深沢泰司, 水野恒史, 高橋弘充, 大野雅功, 赤松弘規, HORNSCHEMEIER A.E, 岡島崇, ZHANG W.W.

    日本天文学会年会講演予稿集   2021   2021

  • HiZ-GUNDAMに向けたCMOSイメージセンサの高速読み出しシステムの開発

    荻野直樹, 有元誠, 澤野達哉, 米徳大輔, 後藤初音, ワン ヒョンスン, 平賀純子, 坂本貴紀, 盛顯捷, 谷津陽一

    日本天文学会年会講演予稿集   2021   2021

  • 速報実証衛星ARICAのプロジェクト進捗状況(2020年度後半)

    畑泰代, 坂本貴紀, 芹野素子, 段毛毛, 合摩裕貴, 渡辺智也, 高橋暉, 上田裕貴, 永峯優斗, 榎戸輝揚, 和田有希, 谷津陽一

    日本天文学会年会講演予稿集   2021   2021

  • 軟X線から硬X線の広帯域を高感度で撮像分光する小型衛生計画FORCEの現状(11)

    森浩二, 武田彩希, 村上弘志, 寺田幸功, 久保田あや, 榎戸輝明, 馬場彩, 小高裕和, 谷津陽一, 小林翔悟, 幸村孝由, 萩野浩一, 内山泰伸, 北山哲, 高橋忠幸, 石田学, 渡辺伸, 山口弘悦, 大橋隆哉, 中嶋大, 中澤知洋, 古澤彰浩, 鶴剛, 上田佳宏, 田中孝明, 内田裕之, 松本浩典, 野田博文, 常深博, 伊藤真之, 信川正順, 信川久実子, 太田直美, 粟木久光, 寺島雄一, 深沢泰司, 水野恒史, 高橋弘充, 大野雅功, 赤松弘規, HORNSCHEMEIER A.E., 岡島崇, ZHANG W.W.

    日本天文学会年会講演予稿集   2021   2021

  • A wide-band X-ray observatory FORCE: Development status of the Wide-band Hybrid X-ray Imager and its CdTe imager

    中澤知洋, 森浩二, 村上弘志, 寺田幸功, 久保田あや, 榎戸輝揚, 馬場彩, 小高裕和, 谷津陽一, 小林翔悟, 幸村孝由, 萩野浩一, 内山泰伸, 佐藤寿紀, 北山哲, 高橋忠幸, 石田学, 渡辺伸, 山口弘悦, 大橋隆哉, 中嶋大, 古澤彰浩, 鶴剛, 上田佳宏, 内田裕之, 松本浩典, 野田博文, 常深博, 信川正順, 太田直美, 信川久実子, 伊藤真之, 田中孝明, 鈴木寛大, 粟木久光, 寺島雄一, 深沢泰司, 水野恒史, 高橋弘充, 武田彩希, 大野雅功, 赤松弘規, HORNSCHEMEIER A.E, 岡島崇, ZHANG W.W.

    日本物理学会講演概要集(CD-ROM)   76 ( 2 )   2021

  • PETREL:A satellite for sea & land spectral imaging business demonstration and UV astronomy

    谷津陽一, 渡邊奎, 川口直毅, 小林寛之, 原拓輝, 中村倫敦, 尾形舜, 浅葉薫, 宮本清菜, 中条俊大, 河合誠之, 松永三郎, 若生一広, 青柳賢英, 武山芸英, 江野口章人, 白籏麻衣, 小林宏章, 楠絵莉子, 村田悠, 中野徹, 卯尾匡史, 吉川峻

    宇宙科学技術連合講演会講演集(CD-ROM)   65th   2021

  • Flight Model Development and Operation Plan of Micro-Satellite HIBARI for Variable Shape Attitude Control Demonstration

    渡邉奎, 小林寛之, 川口直毅, 佐藤宗一, 根路銘省伍, 天木祐希, 佐川文隆, 笹川悠太, 高橋健一郎, 宮本清菜, 中条俊大, 谷津陽一, 松永三郎

    日本機械学会運動と振動の制御シンポジウム論文集(CD-ROM)   17th   2021

  • Ground demonstrations of the High-performance Star Tracker for microsatellites

    中村倫敦, 谷津陽一, 渡邉奎, 松永三郎, 河合誠之, 佐藤悠司, 藤田伸哉, 桑原聡文, 栗原純一, 坂本祐二, 白籏麻衣, 江野口章人, 武山芸英, 上村文彦, 正木哲, 稲葉和男, 丸茂孝一, 吉田政和, 蓮見俊吾, 福田達也

    宇宙科学技術連合講演会講演集(CD-ROM)   65th   2021

  • A wide-band X-ray observatory FORCE: Mission and Spacecraft design study improvements in 2020

    中澤知洋, 森浩二, 村上弘志, 寺田幸功, 久保田あや, 榎戸輝揚, 馬場彩, 小高裕和, 谷津陽一, 小林翔悟, 幸村孝由, 萩野浩一, 内山泰伸, 北山哲, 高橋忠幸, 石田学, 渡辺伸, 山口弘悦, 大橋隆哉, 中嶋大, 古澤彰浩, 鶴剛, 上田佳宏, 田中孝明, 内田裕之, 松本浩典, 野田博文, 常深博, 信川正順, 太田直美, 信川久実子, 伊藤真之, 粟木久光, 寺島雄一, 深沢泰司, 水野恒史, 高橋弘充, 武田彩希, 大野雅功, 赤松弘規, HORNSCHEMEIER A.E, 岡島崇, ZHANG W.W.

    日本物理学会講演概要集(CD-ROM)   76 ( 1 )   2021

  • On-Orbit Operation Result and Future Outlook of Earth Sensor utilizing Deep Learning, and Star Tracker “DLAS”

    菊谷侑平, 渡邉奎, 谷津陽一, 松永三郎

    宇宙科学技術連合講演会講演集(CD-ROM)   64th   2020

  • Demonstration of Real-time Alert System of Transient Astrophysical Sources by 1U Cubesat

    坂本貴紀, 芹野素子, DAN Maomao, 合摩裕貴, 渡辺智也, 畑泰代, 高橋暉, 上田裕貴, 永峯優斗, 榎戸輝揚, 和田有希, 谷津陽一

    宇宙科学技術連合講演会講演集(CD-ROM)   64th   2020

  • A wide-band X-ray observatory FORCE: Science study and proposal status update

    中澤知洋, 森浩二, 鶴剛, 上田佳宏, 石田学, 松本浩典, 粟木久光, 村上弘志, 寺田幸功, 久保田あや, 榎戸輝揚, 馬場彩, 小高裕和, 谷津陽一, 小林翔悟, 幸村孝由, 萩野浩一, 内山泰伸, 北山哲, 高橋忠幸, 渡辺伸, 飯塚亮, 山口弘悦, 大橋隆哉, 中嶋大, 古澤彰浩, 田中孝明, 内田裕之, 野田博文, 常深博, 伊藤真之, 信川正順, 信川久実子, 太田直美, 寺島雄一, 深沢泰司, 水野恒史, 高橋弘充, 大野雅功, 赤松弘規, HORNSCHEMEIER A.E, 岡島崇, ZHANG W.W.

    日本物理学会講演概要集(CD-ROM)   75 ( 2 )   2020

  • Current Activities and Future Plan of Research and Development Center of Smart Space Components and Systems for Creation of New Space Industries

    松永三郎, 古谷寛, 谷津陽一, 林崎規託, 宮崎康行, 中村和行, 渡邊秋人, 工藤裕, 中条俊大, 宮本清菜

    宇宙科学技術連合講演会講演集(CD-ROM)   64th   2020

  • Engineering Model Development Status of HIBARI: Micro Satellite for Technology Demonstration of Variable Shape Attitude Control

    渡邉奎, 中条俊大, 宮本清菜, 谷津陽一, 松永三郎

    宇宙科学技術連合講演会講演集(CD-ROM)   64th   2020

     More details

    Language:English   Publisher:Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency(JAXA)(ISAS)  

    The 30th Workshop on JAXA Astrodynamics and Flight Mechanics 2020 (July 20-21, 2020. Online Meeting)

    CiNii Research

    J-GLOBAL

    researchmap

  • GPUを用いた高速画像一次処理パイプライン

    庭野聖史, 村田勝寛, 谷津陽一, 河合誠之, 下川辺隆史, 伊藤亮介

    日本天文学会年会講演予稿集   2020   2020

     More details

    Language:Japanese   Publisher:公益社団法人 日本天文学会  

    identifier:oai:t2r2.star.titech.ac.jp:50688171

    CiNii Research

    J-GLOBAL

    researchmap

  • 深層学習を用いたMITSuME望遠鏡画像からの突発天体検知(2)

    飯田康太, 谷津陽一, 村田勝寛, 橘優太朗, 河合誠之, LONG Yan, 篠田浩一, 井上中順, 下川辺隆史

    日本天文学会年会講演予稿集   2020   2020

  • 軟X線から硬X線の広帯域を高感度で撮像分光する小型衛星計画FORCEの現状(10)

    森浩二, 武田彩希, 村上弘志, 寺田幸功, 久保田あや, 馬場彩, 小高裕和, 谷津陽一, 幸村孝由, 萩野浩一, 小林翔悟, 内山泰伸, 北山哲, 高橋忠幸, 高橋忠幸, 石田学, 渡辺伸, 飯塚亮, 山口弘悦, 大橋隆哉, 中嶋大, 中澤知洋, 古澤彰浩, 鶴剛, 上田佳宏, 田中孝明, 内田裕之, 松本浩典, 野田博文, 常深博, 伊藤真之, 信川正順, 信川久実子, 太田直美, 粟木久光, 寺島雄一, 深沢泰司, 水野恒史, 高橋弘充, 大野雅功, HORNSCHEMEIER A. E, 岡島崇, ZHANG W. W., WILLIAMS B. J.

    日本天文学会年会講演予稿集   2020   2020

  • 超巨大ブラックホールの進化を探る広帯域X線高感度撮像分光衛星FORCE

    森浩二, 武田彩希, 村上弘志, 寺田幸功, 久保田あや, 榎戸輝明, 馬場彩, 小高裕和, 谷津陽一, 小林翔悟, 幸村孝由, 萩野浩一, 内山泰伸, 北山哲, 高橋忠幸, 高橋忠幸, 石田学, 渡辺伸, 飯塚亮, 山口弘悦, 大橋隆哉, 中嶋大, 中澤知洋, 古澤彰浩, 鶴剛, 上田佳宏, 田中孝明, 内田裕之, 松本浩典, 野田博文, 常深博, 伊藤真之, 信川正順, 信川久実子, 太田直美, 粟木久光, 寺島雄一, 深沢泰司, 水野恒史, 高橋弘充, 大野雅功, 赤松弘規, HORNSCHEMEIER A.E., 岡島崇, ZHANG W.W.

    日本天文学会年会講演予稿集   2020   2020

  • 速報実証衛星ARICAのプロジェクト進捗状況

    渡辺智也, 段毛毛, 合摩裕貴, 畑泰代, 高橋暉, 坂本貴紀, 芹野素子, 榎戸輝揚, 和田有希, 谷津陽一

    日本天文学会年会講演予稿集   2020   2020

  • Evaluation of Radiation Hardness of Electric Devices for Space with Proton / Heavy Particle Beam

    谷津陽一, 間宮英生, 中島豪志, 林輝明, 菊谷侑平, 羽鳥聡, 久米恭, 水嶋慧

    若狭湾エネルギー研究センター研究年報   22   2020

  • Mission and System Design of Microsatellite HIBARI for Demonstration of Variable Shape Attitude Control

    WATANABE Kei, KIKUYA Yuhei, ANDO Hiroki, NAKASHIMA Tsuyoshi, HAYASHI Teruaki, OKAMOTO Yoichi, KAWAGUCHI Naoki, KOBAYASHI Hiroyuki, SATO Soichi, MIYAMOTO Kiyona, CHUJO Toshihiro, YATSU Yoichi, MATUNAGA Saburo

    2019.7

     More details

    Language:English   Publisher:Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency(JAXA)(ISAS)  

    The 29th Workshop on JAXA Astrodynamics and Flight Mechanics 2019 (July 22-23, 2019. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)), Sagamihara, Kanagawa Japan

    CiNii Research

    researchmap

  • 小型衛星計画FORCE用のX線反射鏡開発の現状

    松本浩典, 粟木久光, 田村啓輔, 岡島崇, 森英之, 森浩二, 武田彩希, 村上弘志, 寺田幸功, 中島真也, 久保田あや, 馬場彩, 小高裕和, 谷津陽一, 幸村孝由, 萩野浩一, 小林翔悟, 内山泰伸, 北山哲, 高橋忠幸, 石田学, 渡辺伸, 飯塚亮, 山口弘悦, 中嶋大, 中澤知洋, 古澤彰浩, 鶴剛, 上田佳宏, 田中孝明, 内田裕之, 常深博, 伊藤真之, 信川正順, 太田直美, 寺島雄一, 深沢泰司, 水野恒史, 高橋弘充, 大野雅功

    日本天文学会年会講演予稿集   2019   2019

  • 深層学習を用いたMITSuME望遠鏡画像からの突発天体検知

    飯田康太, 谷津陽一, 伊藤亮介, 村田勝寛, 橘優太朗, 河合誠之, LONG Yan, 篠田浩一, 井上中順, 下川辺隆史

    日本天文学会年会講演予稿集   2019   2019

  • MITSuME望遠鏡によるMAXI J1820+070の可視光放射の変動の解析

    安達稜, 村田勝寛, 橘優太朗, 伊藤亮介, 谷津陽一, 河合誠之, 花山秀和, 堀内貴史, 志達めぐみ

    日本天文学会年会講演予稿集   2019   2019

  • 突発天体検知のためのMITSuME望遠鏡用自動解析パイプラインのGPUを用いた高速化

    庭野聖史, 村田勝寛, 伊藤亮介, 橘優太朗, 河合誠之, 谷津陽一, 針田聖平, 森田浩太郎, 大枝幹, 飯田康太, 間宮英生, 白石一輝, 安達稜, 下川辺隆史

    日本天文学会年会講演予稿集   2019   2019

  • 超小型衛星用スタートラッカの開発と軌道上実証

    間宮英生, 小澤俊貴, 谷津陽一, 河合誠之, 菊谷侑平, 佐々木謙一, 新谷勇介, 小泉翔, 増田雄斗, 岩崎陽平, 渡邉圭, 松永三郎, 下川辺隆史, 工藤裕

    日本天文学会年会講演予稿集   2019   2019

  • 紫外線広視野サーベイのためのキューブサットの開発 II

    谷津陽一, 間宮英夫, 小澤俊貴, 河合誠之, 新谷勇介, 菊谷侑平, 松永三郎, 冨永望, 田中雅臣, 諸隈智貴, NIKZAD Shouleh, NIKZAD Shouleh, BILGI Pavaman, KULKARNI Shrinivas, 武山芸英, 江野口章人

    日本天文学会年会講演予稿集   2019   2019

  • 軟X線から硬X線の広帯域を高感度で撮像分光する小型衛星計画FORCEの現状(8)

    森浩二, 武田彩希, 村上弘志, 寺田幸功, 中島真也, 久保田あや, 馬場彩, 小高裕和, 谷津陽一, 幸村孝由, 萩野浩一, 小林翔悟, 内山泰伸, 北山哲, 高橋忠幸, 石田学, 渡辺伸, 飯塚亮, 山口弘悦, 中嶋大, 中澤知洋, 古澤彰浩, 鶴剛, 上田佳宏, 田中孝明, 内田裕之, 松本浩典, 常深博, 伊藤真之, 信川正順, 太田直美, 粟木久光, 寺島雄一, 深沢泰司, 水野恒史, 高橋弘充, 大野雅功, 岡島崇, 森英之

    日本天文学会年会講演予稿集   2019   2019

  • Demonstration of Real-time Alert System of Transient Astrophysical Sources by 1U Cubesat

    坂本貴紀, 芹野素子, DAN Maomao, 合摩裕貴, 渡辺智也, 畑泰代, 高橋暉, 榎戸輝揚, 和田有希, 谷津陽一

    宇宙科学技術連合講演会講演集(CD-ROM)   63rd   2019

  • In-orbit performance evaluation of the Star Tracker for small satellite

    間宮英生, 小澤俊貴, 谷津陽一, 河合誠之, 菊谷侑平, 岩崎陽平, 渡邉奎, 松永三郎, 下川辺隆史

    宇宙科学技術連合講演会講演集(CD-ROM)   63rd   2019

  • 光赤外線大学間連携によるマイクロクェーサーGRS 1915+105の近赤外線観測

    村田勝寛, 安達稜, 河合誠之, 山岸光義, 森鼻久美子, 永山貴宏, 高橋隼, 加藤則行, 高山正輝, 戸塚都, 小野里宏樹, 今里郁弥, 中岡竜也, 笹田真人, 秋田谷洋, 高木聖子, 大朝由美子, 宝田拓也, 諸隈智貴, 野上大作, 山中雅之, 花山秀和, 堀内貴史, 白石一輝, 大枝幹, 谷津陽一

    日本天文学会年会講演予稿集   2019   2019

  • 明野・岡山50cm可視光望遠鏡の2018年度運用実績

    伊藤亮介, 村田勝寛, 河合誠之, 谷津陽一, 橘優太朗, 森田浩太郎, 白石一輝, 大枝幹, 飯田康太, 庭野聖史, 安達稜, 黒田大介, 前原裕之, 柳澤顕史, 花山秀和

    日本天文学会年会講演予稿集   2019   2019

  • IRSF1.4m望遠鏡によるX線新星MAXI J1535-571の近赤外線追観測 II

    村田勝寛, 伊藤亮介, 橘優太朗, 森田浩太郎, 安達稜, 杉崎睦, 谷津陽一, 河合誠之, 永山貴宏, 森鼻久美子, 杉田聡司

    日本天文学会年会講演予稿集   2019   2019

  • Astronomical Image Subtraction for Transient Detection Using CNN

    LONG YAN, Long Yan, Inoue Nakamasa, Shinoda Koichi, Yatsu Yoichi, Itoh Ryosuke, Kawai Nobuyuki

    2018.8

     More details

    Language:English  

    CiNii Research

    researchmap

  • 多地点複数望遠鏡の観測マーシャルシステムの構築

    伊藤亮介, 村田勝寛, 谷津陽一, 河合誠之, 橘優太朗, 吉井健敏, 針田聖平, 森田浩太郎, 間宮英生, 白石一輝, 柳澤顕史, 黒田大介

    日本天文学会年会講演予稿集   2018   2018

  • 明野50cm可視光望遠鏡の2017年度運用実績

    村田勝寛, 伊藤亮介, 河合誠之, 谷津陽一, 橘優太朗, 吉井健敏, 針田聖平, 森田浩太郎, 間宮英生, 白石一輝, 黒田大介, 柳澤顕史, 花山秀和

    日本天文学会年会講演予稿集   2018   2018

  • Detecting polarization of gamma rays from Crab Nebula with Hitomi Soft Gamma-ray Detector(SGD)

    Watanabe Shin, Ohno Masanori, Odaka Hirokazu, Kataoka Jun, Katsuta Junichiro, Kitaguchi Takao, Kokubun Motohide, Goldwurm Andrea, Saito Shinya, Sato Goro, Sato Rie, Uchida Yusuke, Takahashi Tadayuki, Takahashi Hiromitsu, Takeda Shin'ichiro, Tanaka Takaaki, Tanaka Yasuyuki, Terada Yukikatsu, Nakazawa Kazuhiro, Nakano Toshio, Nakamori Takashi, Noda Hirofumi, Tajima Hiroyasu, Hagino Kouichi, Hayashi Katsuhiro, Blandford Roger, Makishima Kazuo, Madejski Grzegorz, Mizuno Tsunefumi, Mori Kunishiro, Yatsu Yoichi, Yamaoka Kazutaka, Yuasa Takayuki, Fukazawa Yasushi, Yonetoku Daisuke, Laurent Philippe, Limousin Olivier, Lebrun François, the SGD team, Ichinohe Yuto, Uchiyama Hideki, Uchiyama Yasunobu, Enoto Teruaki, Ohta Masayuki

    Meeting Abstracts of the Physical Society of Japan   73   492 - 492   2018

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.73.1.0_492

    researchmap

  • A formation planning of research and development center for multi-functional smart space systems

    MATUNAGA Saburo, FURUYA Hiroshi, YATSU Yoichi, HAYASHIZAKI Noriyosu, MIYAZAKI Yasuyuki, NAKAMURA Yasuyuki, WATANABE Akihito, KUDO Yu

    The Proceedings of the Space Engineering Conference   2018   1C3   2018

     More details

    Language:Japanese   Publisher:The Japan Society of Mechanical Engineers  

    In this paper, a formation planning of research and development center for multi-functional smart space systems is introduced. A smart space system is defined as a component and/ or a system with multi-function and high-performance that are also convenient for users. In the center, we will research and develop the smart space systems and provide space project support services to researchers, engineers, customers and newcomers to space activities. In a plan, we will consider, for example, a machine learning based attitude sensor, lightweight high-rigidity expansion/storage boom and array, a deployable antenna for high speed communication as smart space components, and a microsatellite system with variable shape function as a smart space system. Also, information sharing service on on-orbit observation data and processing techniques, and utilization service of testing and operation facilities will be provided. We are aiming at creating space activities such as producing not only new space engineering and science but also space venture, space business, and so on, for the contribution to society.

    DOI: 10.1299/jsmesec.2018.28.1C3

    researchmap

  • 民生品を用いた・新型スタートラッカの開発

    小澤俊貴, 谷津陽一, 吉井健敏, 間宮英生, 河合誠之, 菊谷侑平, 林雄希, 新谷勇介, 小泉翔, 増田雄斗, 松永三郎, 下川辺隆史

    日本天文学会年会講演予稿集   2018   2018

  • 高背景輝度での点源抽出や宇宙線の除去を行う超小型衛星用スタートラッカーの開発・軌道上実験について

    間宮英生, 飯田康太, 小澤俊貴, 谷津陽一, 河合誠之, 菊谷侑平, 佐々木謙一, 新谷勇介, 小泉翔, 増田雄斗, 岩崎陽平, 渡邉圭, 古谷航志, 松永三郎, 下川辺隆史, 工藤裕

    日本天文学会年会講演予稿集   2018   2018

  • X線天文衛星「ひとみ」搭載SGDによるかに星雲からの偏光ガンマ線の観測

    内田悠介, 渡辺伸, 田島宏康, 深沢泰司, 国分紀秀, 太田方之, 佐藤悟朗, 佐藤理江, 森國城, 高橋忠幸, 高橋忠幸, 水野恒史, 高橋弘充, 大野雅功, 田中康之, 勝田隼一郎, 中澤知洋, 牧島一夫, 小高裕和, 北口貴雄, 中野俊男, 湯浅孝行, 片岡淳, 一戸悠人, 内山秀樹, 内山泰伸, 斉藤新也, 榎戸輝揚, 田中孝明, GOLDWURM A., LAURENT P., LIMOUSIN O., LEBRUN F., 武田伸一郎, 寺田幸功, 中森健之, 野田博文, 萩野浩一, 山岡和貴, 林克洋, 林克洋, BLANDFORD R., MADEJSKI G., 谷津陽一, 米徳大輔

    日本天文学会年会講演予稿集   2018   2018

  • What we learned from the Tokyo Tech 50 kg-satellite "TSUBAME"

    Yatsu Yoichi, Kawai Nobuyuki, Matsushita Masanori, Kawajiri Shota, Tawara Kyosuke, Ohta Kei, Koga Masaya, Matunaga Saburo

    Small Satellite Conference 2017   2017.6

     More details

    Language:English  

    CiNii Research

    researchmap

  • 畳み込みニューラルネットワークを用いた夜間全天画像からの雲領域検出

    佐久間 惇一, 井上 中順, 篠田 浩一, 谷津 陽一, 吉井 健敏, 河合 誠之, 下川辺 隆史, Yatsu Yoichi, 吉井 健敏, Yoshii Taketoshi, 河合 誠之, Kawai Nobuyuki, 下川辺 隆史, Shimokawabe Takashi

    第79回全国大会講演論文集   2017 ( 1 )   283 - 284   2017.3

     More details

    Language:Japanese  

    本研究では、全天画像において天体を観測する事が可能な空の領域と観測不可能な雲や月の領域の分割を行う、畳み込みニューラルネットワークを提案する。近年の天文学ではいつ・どこで起こるのか予想ができず継続時間の短い「突発現象」が新しい発見領域として注目を浴びつつある。その代表的なターゲットが昨年人類が初めて発見した重力波現象である。提案ネットワークは、この様な突発現象を自動で観測するシステムを構成する要素であり、望遠鏡の視野の障害となりうる領域を判別するためのものである。山梨県の明野観測所に設置されている全天カメラによって撮影された1000枚の全天画像データセットにおいて評価実験を行った。

    CiNii Books

    CiNii Research

    researchmap

    Other Link: http://id.nii.ac.jp/1001/00180820/

  • In-orbit performance of the hard X-ray and soft gamma-ray instruments onboard Hitomi

    2017.1

     More details

    Language:Japanese   Publisher:Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency(JAXA)(ISAS)  

    17th Space Science Symposium (January 5-6, 2017. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency(JAXA)(ISAS)Sagamihara Campus), Sagamihara, Kanagawa Japan

    researchmap

  • A 1-80 keV wide-band high-sensitivity X-ray small satellite FORCE : 2017 status

    Nakazawa K., Saito S., Kitayama T., Takahashi T., Watanabe S., Nakajima S., Hagino K., Matsumoto H., Furuzawa A., Tsuru T.G., Ueda Y., Mori K., Tanaka T., Uchida H., Takeda A., Tsunemi H., Nakajima H., Nobukawa M., Ota N., Awaki H., Terashima Y., Fukazawa Y., Murakami H., Takahashi H., Ohno M., Okajima T., Yamaguchi H., Mori H., Odaka H., 他FORCE WG, Kubota A., Terada Y., Yatsu Y., Bamba A., Komura T., Uchiyama Y.

    Meeting Abstracts of the Physical Society of Japan   72   508 - 508   2017

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.72.1.0_508

    researchmap

  • Engineering Model Development of Deep Learning Attitude Sensor “DLAS”

    菊谷侑平, 林雄希, 小澤俊貴, 新谷勇介, 小泉翔, 増田雄斗, 下川辺隆史, 谷津陽一, 松永三郎

    宇宙科学技術連合講演会講演集(CD-ROM)   61st   2017

  • Development of Low-cost and High-accuracy Star Tracker

    小澤俊貴, 谷津陽一, 吉井健敏, 間宮英生, 河合誠之, 下川辺隆史, 松永三郎

    宇宙科学技術連合講演会講演集(CD-ROM)   61st   2017

  • Present status of LargE Area burst Polarimeter: LEAP toward International Space Station

    Gunji Shuichi, Hayashida Kiyoshi, Kishimoto Shunji, Yonetoku Daisuke, Toma Kenji, Takahashi Hiromitsu, Yatsu Yoichi, Sakamoto Takanori, Kishimoto Yuji, Saito Yoshitaka, Oikawa Yuma, Takakura Mika, Ueda Tatsuya, Nakamori Takeshi, Saito Yo, Hara Yoshitaka, Inada Kaito, Mihara Tatehiro

    Meeting Abstracts of the Physical Society of Japan   72   506 - 506   2017

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.72.1.0_506

    researchmap

  • Real-time On-orbit Classification of Earth Images using Deep Neural Networks

    60   6p   2016.9

     More details

  • Demonstration of innovative attitude sensors utilizing Deep Learning

    60   6p   2016.9

     More details

  • 21pCD-2 iWF-MAXI : Large-Sky Soft X-Ray Transient Monitor

    Kawai N., Tsunemi H., Kohmura T., Negoro H., Ueda Y., Tsuboi Y., Ebisawa K., Morii M., Anabuki N., Yuasa T., Dotani T., Yatsu Y., Nakamura T., Tanaka T., Yoshida Y., Kanda N., Vagins Mark, Arimoto M., Tomida H., Ueno S., Mihara T., Serino M., Yoshida A., Sakamoto T.

    Meeting Abstracts of the Physical Society of Japan   71   503 - 503   2016

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.71.1.0_503

    CiNii Books

    researchmap

  • 突発天体観測用天文台全球リレーのための気象モニターの開発

    谷津陽一, 吉井健敏, 針田聖平, 村木雄太郎, 河合誠之, 佐久間惇一, JUNG HyunJin, 井上中順, 篠田浩一, 下川辺隆史, 太田佳

    日本天文学会年会講演予稿集   2016   2016

  • 21pCD-4 Design of the engineering model for GRB polarimeter onboard ISS (LEAP)

    Takakura Mika, Wilson-Hodge Colleen, McConnell Mark, Bloser Peter, Legere Jason, Preece Robert D., Yonetoku Daisuke, Mihara Tatehiro, Hayashida Kiyoshi, Kishimoto Yuji, Takahashi Hiromitsu, Gunji Shuichi, Yatsu Yoichi, Toma Kenji, Nakamori Takeshi, Kishikawa Tatsuya, Oikawa Yuma, Ueda Tatsuya, Gaskin Jessica, Daigle Stephen, Ramsey Brian

    Meeting Abstracts of the Physical Society of Japan   71   504 - 504   2016

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.71.1.0_504

    researchmap

  • Present status of circuit development for the engineering model of GRB polarimeter (LEAP) onboard ISS

    Takakura Mika, McConnell Mark, Bloser Peter, Legere Jason, Preece Robert D., Yonetoku Daisuke, Mihara Tatehiro, Hayashida Kiyoshi, Kishimoto Yuji, Kishimoto Shunji, Takahashi Hiromitsu, Gunji Shuichi, Yatsu Yoichi, Toma Kenji, Sakamoto Takanori, Nakamori Takeshi, Oikawa Yuma, Ueda Tatsuya, Gaskin Jessica, Daigle Stephen, Ramsey Brian, Wilson-Hodge Colleen

    Meeting Abstracts of the Physical Society of Japan   71   353 - 353   2016

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.71.2.0_353

    researchmap

  • The picture of V404 Cygni at the anomalous outburst

    Tachibana Yutaro, Yoshii Taketoshi, Kawai Nobuyuki, Yatsu Yoichi, Fujiwara Taichi, Hanayama Hidekazu, Tanaka Yasuyuki

    Meeting Abstracts of the Physical Society of Japan   71   395 - 395   2016

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.71.2.0_395

    CiNii Research

    researchmap

  • In-orbit performance of Soft Gamma-ray Detector(SGD) onboard Hitomi (ASTRO-H) X-ray satellite

    Watanabe Shin, Odaka Hirokazu, Kataoka Jun, Katsuta Junichiro, Kitaguchi Takao, Kokubun Motohide, Goldwurm Andrea, Saito Shinya, Sato Goro, Sato Rie, Takahashi Tadayuki, Tajima Hiroyasu, Takahashi Hiromitsu, Takeda Shin'ichiro, Tanaka Takaaki, Tanaka Yasuyuki, Terada Yukikatsu, Nakazawa Kazuhiro, Nakano Toshio, Nakamori Takashi, Noda Hirofumi, Hagino Kouichi, Fukazawa Yasushi, Hayashi Katsuhiro, Blandford Roger, Makishima Kazuo, Madejski Grzegorz, Mizuno Tsunefumi, Mori Kunishiro, Yatsu Yoichi, Yamaoka Kazutaka, Yuasa Takayuki, Yonetoku Daisuke, Ichinohe Yuto, Laurent Philippe, Limousin Olivier, Lebrun François, the SGD team, Uchiyama Hideki, Uchiyama Yasunobu, Enoto Teruaki, Ohta Masayuki, Ohno Masanori

    Meeting Abstracts of the Physical Society of Japan   71   371 - 371   2016

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.71.2.0_371

    researchmap

  • A Comparative Study on Machine Learning Methods for On-board Satellite Image Classification

    Ohta Kei, Koike Takehiko, Yatsu Yoichi, Matunaga Saburo

    The Proceedings of the Space Engineering Conference   2016   1B1   2016

     More details

    Language:Japanese   Publisher:The Japan Society of Mechanical Engineers  

    DOI: 10.1299/jsmesec.2016.25.1B1

    CiNii Research

    researchmap

  • Summary of Development and On-Orbit Operation Results of Micro-Satellite TSUBAME

    59   6p   2015.10

     More details

  • Operation Results of the Electrical Power System of the Micro-satellite TSUBAME

    59   6p   2015.10

     More details

  • On-Orbit Operation and Anomaly Analysis of Communication System for Micro Satellite TSUBAME

    59   6p   2015.10

     More details

  • Development of a micro-satellite TSUBAME for X-ray polarimetry of GRBs

    Shin Kurita, Haruka Ohuchi, Makoto Arimoto, Yoichi Yatsu, Nobuyuki Kawai, Kei Ohta, Masaya Koga, EuGene Kim, Kyosuke Tawara, Souta Suzuki, Kazuyoshi Miyasato, Takashi Nagasu, Shouta Kawajiri, Masanori Matsushita, Saburo Matunaga, Nagahisa Moriyama, Shin'ichi Kimura, TSUBAME team

    2015.3

     More details

    TSUBAME is a micro-satellite that the students of Tokyo Institute of
    Technology took the lead to develop for measuring hard X-ray polarization of
    Gamma-Ray Bursts(GRBs) in order to reveal the nature of the central engine of
    GRBs. TSUBAME has two instruments: Wide-field Burst Monitor (WBM) and Hard
    X-ray Compton Polarimeter (HXCP). We aim to start observing with HXCP in 15
    seconds by pointing the spacecraft using Control Moment Gyro. In August 2014,
    we assembled TSUBAME and performed an integration test during ~2 weeks.TSUBAME
    by communication tests with Cute-1.7+APDII in orbit. On Nov 6 2014, TSUBAME was
    launched from Russia and it was put into Sun-synchronous orbit at 500 km above
    the ground. However, serious trouble occurred to the ham radio equipment.
    Therefore we could not start up the X-ray sensors until Feb 10 2015. In this
    paper, we report the system of TSUBAME and the progress after the launch.

    arXiv

    researchmap

    Other Link: http://arxiv.org/pdf/1503.01975v1

  • 25pSJ-5 Calibration Method for the Hard X-ray Imager On-board the ASTRO-H Satellite

    Mimura T., HXI team

    Meeting Abstracts of the Physical Society of Japan   70   353 - 353   2015

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.70.2.0_353

    CiNii Books

    researchmap

  • 24aDJ-5 Spectroscopy of Supernova Remnant MSH 15-56 Observed with Suzaku

    Yano Y., Yatsu Y., Arimoto M., Kawai N., Katsuda S.

    Meeting Abstracts of the Physical Society of Japan   70   497 - 497   2015

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.70.1.0_497

    CiNii Books

    CiNii Research

    researchmap

  • 24aDJ-7 ブラックホール連星MAXIJ1910-057の長期多波長観測から明らかになった物理

    吉井 健敏, 斉藤 嘉彦, 谷津 陽一, 河合 誠之, 花山 秀和, 高橋 隼, MAXIチーム, MITSuME望遠鏡チーム

    日本物理学会講演概要集   70   499 - 499   2015

     More details

    Language:Japanese   Publisher:一般社団法人 日本物理学会  

    DOI: 10.11316/jpsgaiyo.70.1.0_499

    CiNii Books

    CiNii Research

    researchmap

  • 24pDJ-5 LSI Development and thermal design of Hard X-ray Monitor onboard WF-MAXI

    Vagins Mark

    Meeting Abstracts of the Physical Society of Japan   70   504 - 504   2015

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.70.1.0_504

    CiNii Books

    researchmap

  • 25pSJ-3 Results of ight integration test for Soft Gamma-ray Detector on board ASTRO-H

    Hayashi K., Blandford Roger, Madejski Grzegorz, Laurent Philippe, Limousin Olivier, Lebrun Francois, SGD team

    Meeting Abstracts of the Physical Society of Japan   70   351 - 351   2015

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.70.2.0_351

    CiNii Books

    researchmap

  • 25pSJ-4 The Instrumental Performance of the Hard X-ray Imager On-board ASTRO-H Satellite at Final Stage of the Ground Tests

    Kobayashi S., Limousin Olivier, Laurent Philippe, Lebrun Francois, HXI team

    Meeting Abstracts of the Physical Society of Japan   70   352 - 352   2015

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.70.2.0_352

    CiNii Books

    researchmap

  • 24aDJ-2 The launch of micro-satellite TSUBAME for Hard X-ray Polarimetry (II)

    Yatsu Y., Moriyama N., Kimura S., Kataoka J., Nakamori T., Kubo S., Kurita S., Ohuchi H., Arimoto M., Kawai N., Matsushita M., Kawajiri S., Nagasu T., Matunaga S.

    Meeting Abstracts of the Physical Society of Japan   70   494 - 494   2015

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.70.1.0_494

    CiNii Books

    researchmap

  • 23pDK-6 Pre-Launch Functional Tests of the Hard X-ray Imager Flight Model onboard the ASTRO-H Satellite

    Miyake K., HXI team

    Meeting Abstracts of the Physical Society of Japan   70   473 - 473   2015

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.70.1.0_473

    CiNii Books

    researchmap

  • 24aDJ-4 Development and performance evaluation test of the GRB polarimeter for small satellites

    Kishikawa Tatsuya, Wilson-Hodge Colleen, Daigle Stephen, Yonetoku Daisuke, Mihara Tatehiro, Hayashida Kiyoshi, Kishimoto Yuji, Saito Yoshitaka, Takahashi Hiromitsu, Mizuno Tsunehumi, Yatsu Yoichi, Gunji Shuichi, Toma Kenji, Nakamori Takeshi, Katagiri Jun, Oikawa Yuma, Ueda Tatsuya, Takakura Mika, Ramsey Brian, Gaskin Jessica

    Meeting Abstracts of the Physical Society of Japan   70   496 - 496   2015

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.70.1.0_496

    researchmap

  • 25aSJ-8 Results for vibration tests of MAPMTs for the LEAP project

    Oikawa Yuma, Wilson-Hodge Colleen, Preece Robert D., Yonetoku Daisuke, Mihara Tatehiro, Hayashida Kiyoshi, Kishimoto Yuji, Takahashi Hiromitsu, Yatsu Yoichi, Toma Kenji, Gunji Shuichi, Nakamori Takeshi, Kishikawa Tatsuya, Takakura Mika, Ueda Tatsuya, Gaskin Jessica, Daigle Stephen, Ramsey Brian

    Meeting Abstracts of the Physical Society of Japan   70   341 - 341   2015

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.70.2.0_341

    researchmap

  • 23pDK-3 Test results of flight models for Soft Gamma-ray Detector on board ASTRO-H

    Tajima Hiroyasu, Blandford Roger, Madejski Grzegorz, Laurent Philippe, Limousin Olivier, Lebrun Francois, SGD team

    Meeting Abstracts of the Physical Society of Japan   70   470 - 470   2015

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.70.1.0_470

    CiNii Books

    researchmap

  • 23pDK-5 ight calibration of BGO active shields for the Hard X-ray Imager and the Soft Gamma-ray Detector onboard ASTRO-H

    Ohno Masanori, HXI, SGD team

    Meeting Abstracts of the Physical Society of Japan   70   472 - 472   2015

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.70.1.0_472

    CiNii Books

    researchmap

  • D05 Flight Model Development of EPS for the Micro-satellite "TSUBAME"

    Matsushtia Masanori, Miyasato Kazuyoshi, Koga Masaya, Ito Kei, Arimoto Makoto, Yatsu Yoichi, Matunaga Saburo

    The Proceedings of the Space Engineering Conference   2014 ( 23 )   _D05 - 1_-_D05-5_   2014

     More details

    Language:Japanese   Publisher:The Japan Society of Mechanical Engineers  

    Matunaga Laboratory at ISAS/JAXA and Tokyo Institute of Technology has developed a 50kg class micro-satellite called TSUBAME. In this paper, some of improvements of EPS at flight model phase are reported. Specifically, how to estimate depth of discharge by measuring cell voltage, how to manage a battery pack and passive cell balancing with resisters are focused.

    DOI: 10.1299/jsmesec.2014.23._D05-1_

    CiNii Books

    CiNii Research

    researchmap

  • S1920204 Major Upgrade of the Power System Circuitry of the Micro-satellite "TSUBAME" for Suppressing Spike Noises

    MATSUSHITA Masanori, MIYASATO Kazuyoshi, YATSU Yoichi, ARIMOTO Makoto, ITO Kei, MATUNAGA Saburo

    The Proceedings of Mechanical Engineering Congress, Japan   2014   _S1920204 - -_S1920204-   2014

     More details

    Language:Japanese   Publisher:The Japan Society of Mechanical Engineers  

    In this paper, we reported measures against spike noises in a charger circuit of the micro-satellite "TSUB AME" which has high power consumption (MAX 68W). The spike noises occurred from an FET as a switching regulator in the Li-ion battery charger circuit. The main cause of the spike noises was pattern design and another cause was that choices of FET and inductor weren't optimal. Thus, by major upgrade of EPS circuits, the inductor is changed to another inductor which the self-resonant frequency is higher than frequencies of the spike noises, and the FET is also changed to an FET with low reverse recovery current. As a result, there are no spike noises in the charger circuit.

    DOI: 10.1299/jsmemecj.2014._S1920204-

    CiNii Books

    CiNii Research

    researchmap

  • 29pTK-1 Development of BGO active shield system for hard X-ray and soft gamma-ray detector onboard ASTRO-H

    Ohno M., Torii S., Nakazawa K., Makishima K., Yamaoka K., Tajima H., Uchiyama H., Sato R., Hagino K., Yuasa T., Sato G., Tokuda S., Watanabe S., Kokubun M., Takahashi T., Mori K., Yatsu Y., Kataoka J., Saito T., Yoshino M., Nakamori T., HXI, Nakamura R., SGD team, Takahashi H., Fukazawa Y., Murakami H., Kobayashi S., Sakurai S., Sasano M.

    Meeting Abstracts of the Physical Society of Japan   69 ( 1 )   128 - 128   2014

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.69.1.1.0_128_2

    CiNii Books

    researchmap

  • OISTER・すざくによる2FGL J2339.6-0532の観測

    谷津陽一, 橘優太郎, 大内遥河, 有元誠, 斉藤嘉彦, 河合誠之, 片岡淳, 高橋洋介, 柴田晋平, 関口和寛, 黒田大介, 花山秀和, 磯貝瑞希, 渡辺誠, 橋本修, 諸隈智貴, 高橋英則, 舘内謙, 村田勝寛, 永山貴宏, 面高俊宏, 吉田道利, ALI Gamal B., MOHAMED A. Essam, 秋田谷洋, 高橋隼, 奥村真一郎, 野上大作, 大朝由美子

    日本天文学会年会講演予稿集   2014   2014

  • 19aSB-9 ASIC development in Hard X-ray Monitor onboard WF-MAXI

    Arimoto Makoto, Kimura Masashi, WF-MAXI team, Yatsu Yoichi, Kawai Nobuyuki, Ikeda Hirokazu, Harayama Atsushi, Takeda Shin'ichiro, Takahashi Tadayuki, Tomida Hiroshi, Ueno Shiro

    Meeting Abstracts of the Physical Society of Japan   69 ( 2 )   37 - 37   2014

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.69.2.1.0_37_3

    CiNii Books

    researchmap

  • E06 Proposal of an Automatic Operation System for Nano Satellites Using Multiple Ground Stations

    Ohta Kei, Kawajiri Shota, Miyasato Kazuyoshi, Koga Masaya, Yatsu Yoichi, Matunaga Saburo

    The Proceedings of the Space Engineering Conference   2014 ( 23 )   _E06 - 1_-_E06-5_   2014

     More details

    Language:Japanese   Publisher:The Japan Society of Mechanical Engineers  

    In this paper, a method for automatic operation of satellites using multiple ground stations is proposed. In the former part of this paper, a new ground station system which optimizes the use of multiple ground stations, and central software called "Scheduler" and "Sequencer" which is substitute of operator is proposed. The "Scheduler" schedules operation tasks and control the whole operation sequence automatically. The "Sequencer" executes operation tasks such as sending of antenna angle and radio frequency to remote ground station.

    DOI: 10.1299/jsmesec.2014.23._E06-1_

    CiNii Books

    CiNii Research

    researchmap

  • 29pTK-6 Development status of the Hard X-ray Imager (HXI) onboard ASTRO-H

    Kawaharada Madoka, Odaka Hirokazu, Kataoka Jun, Sato Rie, Harayama Atsushi, Takahashi Tadayuki, Takahashi Hiromitsu, Takeda Shin'ichiro, Tajima Hiroyasu, Tanaka Takaaki, Terada Yukikatsu, Kokubun Motohide, Fukazawa Yasushi, Makishima Kazuo, Mizuno Tsunefumi, Yatsu Yoichi, Yamaoka Kazutaka, Yuasa Takayuki, Watanabe Shin, Laurent Philippe, Lebrun Francois, Limousin Olivier, Nakazawa Kazuhiro, the HXI team, Sato Goro, Uchiyama Hideki, Uchiyama Yasunobu, Enoto Teruaki, Ohta Masayuki, Ohno Masanori

    Meeting Abstracts of the Physical Society of Japan   69 ( 1 )   129 - 129   2014

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.69.1.1.0_129_2

    CiNii Books

    researchmap

  • 30aTK-12 Flight operation of the gamma-ray burst polarimeter satellite TSUBAME

    Yatsu Yoichi, Nakamori Takeshi, Kubo Shin, Ito Kei, Kurita Shin, Arimoto Makoto, Kawai Nobuyuki, Matsushita Masanori, Matsunaga Saburo, Kimura Shin'ichi, Kataoka Jun

    Meeting Abstracts of the Physical Society of Japan   69 ( 1 )   135 - 135   2014

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.69.1.1.0_135_3

    CiNii Books

    researchmap

  • 27pBE-5 Development of the Soft Gamma-ray Detector on board ASTRO-H (2^<nd> harf of 2012)

    Mizuno Tsunefumi, Blandford Rogor, Madojski Grzogorz, Laurent Philippe, Limousin Olivier, Lobrun Franoois, SGD team

    Meeting Abstracts of the Physical Society of Japan   68 ( 1 )   134 - 134   2013

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.68.1.1.0_134_2

    CiNii Books

    researchmap

  • Development of Flight Model for Soft Gamma-ray Detector onboard ASTRO-H

    Tajima Hiroyasu, Blandford Roger, Madejski Grzegorz, Laurent Philippe, Limousin Olivier, Lebrun Frangois, the SGD team

    Meeting Abstracts of the Physical Society of Japan   68 ( 2 )   110 - 110   2013

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.68.2.1.0_110_1

    CiNii Books

    researchmap

  • Development Status of the Hard X-ray Imager(HXI)for ASTRO-H

    Sato G, Kataoka J, Kawaharada M, Sato R, Takahashi T, Takahashi H, Takeda S, Tajima H, Tanaka T, Terada Y, Fukazawa Y, Kokubun M, Makishima K, Mizuno T, Yatsu Y, Yamaoka K, Yuasa T, Watanabe S, Limousin O, Laurent P, Lebrun F, the HXI team, Nakazawa K, Uchiyama H, Uchiyama Y, Enoto T, Ohta M, Ohno M, Odaka H

    Meeting Abstracts of the Physical Society of Japan   68 ( 2 )   110 - 110   2013

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.68.2.1.0_110_4

    CiNii Books

    researchmap

  • Development of a flight model of micro-satellite for the X-ray polarimetry of gamma-ray bursts "TSUBAME"

    Yatsu Yoici, Kataoka Jun, Nakamori Takeshi, Kubo Shin, the TSUBAME team, Kurita Shin, Ito Kei, Arimoto Makoto, Tokoyoda Kazuki, Kawai Nobuyuki, Kamiya Takashi, Kitamura Shogo, Matsunaga Saburo

    Meeting Abstracts of the Physical Society of Japan   68 ( 2 )   111 - 111   2013

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.68.2.1.0_111_3

    CiNii Books

    researchmap

  • The ASTRO-H X-ray Observatory

    Tadayuki Takahashi, Kazuhisa Mitsuda, Richard Kelley, Henri AartsFelix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steve Allen, Naohisa Anabuki, Lorella Angelini, Keith Arnaud, Makoto Asai, Marc Audard, Hisamitsu Awaki, Philipp Azzarello, Chris Baluta, Aya Bamba, Nobutaka Bando, Mark Bautz, Roger Blandford, Kevin Boyce, Greg Brown, Ed Cackett, Maria Chernyakova, Paolo Coppi, Elisa Costantini, Jelle de Plaa, Jan-Willem den Herder, Michael DiPirro, Chris Done, Tadayasu Dotani, John Doty, Ken Ebisawa, Megan Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew Fabian, Carlo Ferrigno, Adam Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Stefan Funk, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi Gallo, Poshak Gandhi, Keith Gendreau, Kirk Gilmore, Daniel Haas, Yoshito Haba, Kenji Hamaguchi, Isamu Hatsukade, Takayuki Hayashi, Kiyoshi Hayashida, Junko Hiraga, Kazuyuki Hirose, Ann Hornschemeier, Akio Hoshino, John Hughes, Una Hwang, Ryo Iizuka, Yoshiyuki Inoue, Kazunori Ishibashi, Manabu Ishida, Kosei Ishimura, Yoshitaka Ishisaki, Masayuki Ito, Naoko Iwata, Naoko Iyomoto, Jelle Kaastra, Timothy Kallman, Tuneyoshi Kamae, Jun Kataoka, Satoru Katsuda, Hajime Kawahara, Madoka Kawaharada, Nobuyuki Kawai, Shigeo Kawasaki, Dmitry Khangaluyan, Caroline Kilbourne, Masashi Kimura, Kenzo Kinugasa, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Tatsuro Kosaka, Alex Koujelev, Katsuji Koyama, Hans Krimm, Aya Kubota, Hideyo Kunieda, Stephanie LaMassa, Philippe Laurent, Francois Lebrun, Maurice Leutenegger, Olivier Limousin, Michael Loewenstein, Knox Long, David Lumb, Grzegorz Madejski, Yoshitomo Maeda, Kazuo Makishima, Genevieve Marchand, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian McNamara, Jon Miller, Eric Miller, Shin Mineshige, Kenji Minesugi, Ikuyuki Mitsuishi, Takuya Miyazawa, Tsunefumi Mizuno, Hideyuki Mori, Koji Mori, Koji Mukai, Toshio Murakami, Hiroshi Murakami, Richard Mushotzky, Housei Nagano, Ryo Nagino, Takao Nakagawa, Hiroshi Nakajima, Takeshi Nakamori, Kazuhiro Nakazawa, Yoshiharu Namba, Chikara Natsukari, Yusuke Nishioka, Masayoshi Nobukawa, Masaharu Nomachi, Steve O' Dell, Hirokazu Odaka, Hiroyuki Ogawa, Mina Ogawa, Keiji Ogi, Takaya Ohashi, Masanori Ohno, Masayuki Ohta, Takashi Okajima, Atsushi Okamoto, Tsuyoshi Okazaki, Naomi Ota, Masanobu Ozaki, Frits Paerels, Stephane Paltani, Arvind Parmar, Robert Petre, Martin Pohl, F. Scott Porter, Brian Ramsey, Rubens Reis, Christopher Reynolds, Helen Russell, Samar Safi-Harb, Shin-ichiro Sakai, Hiroaki Sameshima, Jeremy Sanders, Goro Sato, Rie Sato, Yoichi Sato, Kosuke Sato, Makoto Sawada, Peter Serlemitsos, Hiromi Seta, Yasuko Shibano, Maki Shida, Takanobu Shimada, Keisuke Shinozaki, Peter Shirron, Aurora Simionescu, Cynthia Simmons, Randall Smith, Gary Sneiderman, Yang Soong, Lukasz Stawarz, Yasuharu Sugawara, Hiroyuki Sugita, Satoshi Sugita, Andrew Szymkowiak, Hiroyasu Tajima, Hiromitsu Takahashi, Shin-ichiro Takeda, Yoh Takei, Toru Tamagawa, Takayuki Tamura, Keisuke Tamura, Takaaki Tanaka, Yasuo Tanaka, Makoto Tashiro, Yuzuru Tawara, Yukikatsu Terada, Yuichi Terashima, Francesco Tombesi, Hiroshi Tomida, Yoko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Yasunobu Uchiyama, Hideki Uchiyama, Yoshihiro Ueda, Shiro Ueno, Shinichiro Uno, Meg Urry, Eugenio Ursino, Cor de Vries, Atsushi Wada, Shin Watanabe, Norbert Werner, Nicholas White, Takahiro Yamada, Shinya Yamada, Hiroya Yamaguchi, Noriko Yamasaki, Shigeo Yamauchi, Makoto Yamauchi, Yoichi Yatsu, Daisuke Yonetoku, Atsumasa Yoshida, Takayuki Yuasa

    Proceedings of SPIE - The International Society for Optical Engineering   8443   2012.10

  • Development of X-ray/gamma-ray imaging spectrometers using reach-through APD arrays

    Nakamori T., Enomoto T., Toizumi T., Tokoyoda K., Yatsu Y., Kawai N., Kataoka J., Ishikawa Y., Kawai T., Kawabata N., Matsunaga Y.

    Journal of Instrumentation   Volume 7 ( Issue 93 )   440 - 441   2012.3

     More details

    Language:English   Publisher:Japan Aerospace Exploration Agency (JAXA)  

    The 3rd Suzaku international Conference "Energetic Cosmos : from Suzaku to ASTRO-H" (June 29-July 2, 2009. Grand Park Otaru Hotel), Otaru, Hokkaido JapanIt is quite important to obtain wide band spectra of high energy astrophysical phenomena at the same time in order to probe emission processes or structures. Especially observations of transient objects, such as gamma-ray bursts of active galactic nuclei, expect detectors with wide energy band coverage for the sake of an efficient spectroscopy within limited time windows. An avalanche photo diode (APD) is a compact photon sensor with an internal gain of approximately 100. We have developed an X-ray / gamma-ray detector using a reach-through APD (5 × 5 sq mm) optically coupled with a conventional CsI(Tl) scintillator, which covers typically from 1 keV to 1 MeV. Further, we developed a 1-dimensional array of the 8/16 APDs (net 16 x 20) sq mm) for the purpose of an imaging photon detector combined with coded masks, to be applied in future missions. We present the current status and performances of our hybrid detector.Meeting sponsors: The University of Tokyo, The Institute of Physical and Chemical Research, The Japan Society for the Promotion of Science

    DOI: 10.1088/1748-0221/7/03/C03038

    CiNii Books

    researchmap

  • “Radio-quiet”ミリ秒パルサー候補1FGL J2339.7-0531の多波長観測(II):可視・赤外連携観測

    谷津陽一, 青木優, 常世田和樹, 川上孝介, 薄井竜一, 斎藤嘉彦, 河合誠之, 高橋洋輔, 片岡淳, KONG A. K. H., 渡辺誠, 濱本昂, 中尾光, 尾崎彰士, 橋本修, 本原顕太郎, 小西真広, 舘内謙, 諸隈智貴, 高橋英則, 永山貴宏, 磯貝瑞希, 新井彰, 黒田大, 柳澤顕史, 奥村真一郎, 高橋隼, 秋田谷洋, 吉田道利, 宮ノ下亮, 花山秀和

    日本天文学会年会講演予稿集   2012   2012

  • 光赤外線大学間連携による特異なIa型超新星SN 2012Zの初期観測 II

    山中雅之, 川端弘治, 伊藤亮介, 宇井崇紘, 秋田谷洋, 上野一誠, 高木勝俊, 永山貴宏, 黒田大介, 柳沢顕史, 谷津陽一, 斉藤嘉彦, 新井彰, 高橋隼, 磯貝瑞希, 宮ノ下亮, 花山秀和, 渡辺誠, 田中雅臣, 前田啓一, 野本憲一

    日本天文学会年会講演予稿集   2012   2012

  • 光赤外線大学間連携による特異なIa型超新星SN 2012Zの初期観測

    山中雅之, 川端弘治, 伊藤亮介, 宇井崇紘, 秋田谷洋, 永山貴宏, 黒田大介, 柳沢顕史, 谷津陽一, 斉藤嘉彦, 新井彰, 磯貝瑞希, 高橋隼, 宮ノ下亮, 花山秀和, 渡辺誠, 田中雅臣, 前田啓一, 野本憲一

    日本天文学会年会講演予稿集   2012   2012

  • 26pGJ-1 Development of analog systems of BGO shield for HXI/SGD onboard the ASTRO-H satellite

    Saito T., Takahashi H., Ohno M., Fukazawa Y., Watanabe S., Kokubun N., Takahashi T., Mori K., Nishida T., Sasano M., Torii S., Yoshino M., Nakazawa K., Makishima K., Tajima H., Uchihori Y., Kitamura H., Mizoma H., Nakamori T., Kataoka J., K. Kosuke, Yatsu Y., Goto K., Matsuoka M.

    Meeting Abstracts of the Physical Society of Japan   67 ( 1 )   138 - 138   2012

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.67.1.1.0_138_2

    CiNii Books

    researchmap

  • 26pGJ-3 Development status of the Hard X-ray Imager (HXI) onboard ASTRO-H

    Kawaharada Madoka, Nakazawa Kazuhiro, Uchiyama Hideki, Makishima Kazuo, Mizuno Tsunefumi, Takahashi Hiromitsu, Ohno Masanori, Kataoka Jun, Nakamori Takeshi, Terada Yukikatsu, Kokubun Motohide, Yatsu Yoichi, Yamaoka Kazutaka, Tajima Hiroyasu, Tanaka Takaaki, Enoto Teruaki, Philippe Laurent, Francois Lebrun, Olivier Limousin, Sato Goro, Watanabe Shin, Tanaka Yasayuki, Ohta Masayuki, Yuasa Takayuki, Odaka Hirokazu, Takahashi Tadayuki

    Meeting Abstracts of the Physical Society of Japan   67 ( 1 )   138 - 138   2012

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.67.1.1.0_138_4

    CiNii Books

    researchmap

  • 26pGJ-8 Development of Soft Gamma-ray Detector onboard ASTRO-H

    Tajima Hiroyasu, Blandford Roger, Madejski Grzegorz, Laurent Philippe, Limousin Olivier, Lebrun Francois

    Meeting Abstracts of the Physical Society of Japan   67 ( 1 )   139 - 139   2012

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.67.1.1.0_139_4

    CiNii Books

    researchmap

  • 27aGJ-1 Development of detectors for gamma-ray burst mounted on ultra-small satellite TSUBAME

    Kawakami Kosuke

    Meeting Abstracts of the Physical Society of Japan   67 ( 1 )   142 - 142   2012

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.67.1.1.0_142_4

    CiNii Books

    researchmap

  • 14aSP-9 Developement and Status of the Soft Gamma-ray Detector onboard ASTRO-H

    Fukazawa Y., Kataoka J., Kawaharada M., Kokubun M., Sato G., Sato R., Takahashi T, Takahashi H., Takeda S., Tashiro M., Tanaka T., Tajima H., Terada Y., Nakazawa K., Nakamori T., Makishima K., Mizuno T., Mori K., Yatsu Y., Yamada S., Yuasa T., Yonetoku D., Watanabe S., Blandford Roger, Madejski Grzegorz, Laurent Philippe, Limousin Olivier, Lebrun Francois, the SGD team, Uchiyama H., Uchiyama Y., Enoto T., Ohta M., Ohno M., Odaka H.

    Meeting Abstracts of the Physical Society of Japan   67 ( 2 )   119 - 119   2012

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.67.2.1.0_119_1

    CiNii Books

    researchmap

  • 14pSP-6 Development of detectors for gamma-ray burst mounted onultra-small satellite TSUBAME

    Tokoyoda Kazuki

    Meeting Abstracts of the Physical Society of Japan   67 ( 2 )   121 - 121   2012

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.67.2.1.0_121_3

    CiNii Books

    researchmap

  • Ia型超新星SN 2011byの大学間連携キャンペーン可視近赤外観測

    山中雅之, 秋田谷洋, 川端弘治, 植村誠, 吉田道利, 伊藤亮介, 宇井崇紘, 渡辺誠, 河合誠之, 谷津陽一, 関口和寛, 三戸洋之, 松永典之, 家中信幸, 青木勉, 新井彰, 磯貝瑞希, 梶川智代, 長島雅佳, 今田明, 黒田大介, 柳澤顕史, 泉浦秀行, 面高俊宏, 宮ノ下亮, 花山秀和, 宮地竹史, 田中雅臣, 前田啓一, 野本憲一

    日本天文学会年会講演予稿集   2011   2011

  • 18pSX-7 Developments of Soft Gamma-ray Detector on board the ASTRO-H satellite

    Watanabe Shin, Kataoka Jun, Kawaharada Madoka, Kokubun Motohide, Sato Goro, Takahashi Hiromitsu, Takahashi Tadayuki, Tashiro Makoto, Tanaka Takaaki, Terada Yukikatsu, Nakazawa Kazuhiro, Tajima Hiroyasu, Nakamori Takeshi, Blandford Roger, Makishima Kazuo, Madeiski Grzegorz, Mizuno Tsunefumi, Mori Kunishiro, Yatsu Yoichi, Yuasa Takayuki, Laurent Philippe, Limousin Olivier, Fukazawa Yasushi, Lebrun Francois, ASTRO-H SGD team, Uchiyama Hideki, Uchiyama Yasunobu, Enoto Teruaki, Ohta Masayuki, Ohno Masanori, Odaka Hirokazu

    Meeting Abstracts of the Physical Society of Japan   66 ( 2 )   112 - 112   2011

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.66.2.1.0_112_4

    CiNii Books

    researchmap

  • 27pGS-8 R&D Status of the Soft Gamma-ray Detector (SGD) for ASTRO-H

    Tanaka Takaaki, Takahashi Tadayuki, Takahashi Hiromitsu, Tajima Hiroyasu, Tashiro Makoto, Terada yukikatsu, Nakazawa Kazuhiro, Nakamori Takeshi, Fukazawa Yasushi, Blandford Roger, Makishima Kazuo, Uchiyama Yasunobu, Madejski Grzegorz, Mizuno Tsunefumi, Mori Kunishiro, Yatsu Yoichi, Yamaoka Kazutaka, Laurent Philippe, Limousin Olivier, Lebrun Francois, Watanabe Shin, Enoto Teruaki, Ohta Masayuki, Ohno Masanori, Kataoka Jun, Kawaharada Madoka, Kokubun Motohide, Sato Goro

    Meeting Abstracts of the Physical Society of Japan   66 ( 1 )   122 - 122   2011

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.66.1.1.0_122_1

    CiNii Books

    researchmap

  • 27pGS-12 Studies of APD readout of BGO crystal scintillators for the ASTRO-H mission

    Nishioka H., Nakamori T., Kataoka J., Yatsu Y., Sasano M., Yuasa T., Yamada S., Nakazawa K., Makishima K., Fukazawa Y., Saito T., Yoshino M.

    Meeting Abstracts of the Physical Society of Japan   66 ( 1 )   123 - 123   2011

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.66.1.1.0_123_1

    CiNii Books

    researchmap

  • 27pGS-14 Verification Experiment of Active Shield System Functionality for Hard X-ray Imager

    Torii S., Makishima K., Kokubun M., Watanabe S., Takahashi T., Saito S., Fukuyama T., Sato T., Hagino K., Ohno M., Tajima H., Nakazawa K., Enoto T., Kataoka J., Nakamori T., Yatsu Y., Fukazawa Y., HXI, SGD team, Uchiyama H., Yuasa T., Nakajima K., Nishioka H., S. Soki, Sasano M., Nakano T.

    Meeting Abstracts of the Physical Society of Japan   66 ( 1 )   123 - 123   2011

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.66.1.1.0_123_2

    CiNii Books

    researchmap

  • 28pGS-6 Development of the Wide Field Burst Monitor aboard the ultra small TSUBAME

    Yatsu Yoichi

    Meeting Abstracts of the Physical Society of Japan   66 ( 1 )   128 - 128   2011

     More details

    Language:Japanese   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.66.1.1.0_128_1

    CiNii Books

    CiNii Research

    researchmap

  • 11aSG-10 Development of hard X-ray polarimeter on board the ultrasmall satellite TSUBAME

    Enomoto Takahiro

    Meeting abstracts of the Physical Society of Japan   65 ( 2 )   80 - 80   2010.8

     More details

    Language:Japanese   Publisher:The Physical Society of Japan (JPS)  

    DOI: 10.11316/jpsgaiyo.65.2.1.0_80_1

    CiNii Books

    CiNii Research

    researchmap

  • 11aSG-4 Observations of early phase optical afterglows of gamma-ray bursts with the 50 cm optical telescopes MITSuME

    Yatsu Yoichi

    Meeting abstracts of the Physical Society of Japan   65 ( 2 )   79 - 79   2010.8

     More details

    Language:Japanese   Publisher:The Physical Society of Japan (JPS)  

    CiNii Books

    researchmap

  • X-ray Polarimetry Small Satellite "TSUBAME"

    Toizumi Takahiro, Enomoto Takahiro, Usui Ryuichi, Nakamori Takeshi, Yatsu Yoich, Kawai Nobuyuki, Kataoka Jun, Omagari Kuniyuki, Nishida Junichi, Inagawa Shinichi, Matsunaga Saburo

    ( 9 )   444 - 445   2010.2

     More details

    Language:English   Publisher:Japan Aerospace Exploration Agency (JAXA)  

    The 3rd Suzaku international Conference "Energetic Cosmos : from Suzaku to ASTRO-H" (June 29-July 2, 2009. Grand Park Otaru Hotel), Otaru, Hokkaido JapanTSUBAME is a university-built small satellite mission to measure polarization of hard X-ray photons (30 - 200 keV) from gamma-ray bursts using azimuthal angle anisotropy of Compton-scattered photons. Polarimetry in the hard X-ray and soft gamma-ray band plays a crucial role in understanding of highenergy emission mechanisms and the distribution of magnetic fields and radiation fields. TSUBAME has two instruments: the Wide-field Burst Monitor (WBM) and the Hard X-ray Compton Polarimeter (HXCP). The WBM determines on board the direction of the burst occurrence with an accuracy of 10 degrees. The spacecraft is then slewed to the GRB in 15 seconds from the trigger using CMG, a high speed attitude control device. HXCP will measure the polarized X-ray photons from the GRB while the spacecraft slowly spins around the bore sight.Meeting sponsors: The University of Tokyo, The Institute of Physical and Chemical Research, The Japan Society for the Promotion of ScienceNumber of authors: 11

    CiNii Books

    researchmap

  • ガンマ線バースト可視残光観測施設MITSuME岡山望遠鏡の6年

    柳澤顕史, 黒田大介, 清水康広, 戸田博之, 長山省吾, 吉田道利, 太田耕司, 下川辺隆史, 森由希, 中嶋英也, 谷津陽一, 河合誠之

    日本天文学会年会講演予稿集   2010   2010

  • MITSuME望遠鏡によるガンマ線バーストの観測

    中嶋英也, 森由希, 遠藤瑛紀, 下川辺隆史, 谷津陽一, 河合誠之, 吉田道利, 黒田大介, 柳澤顕史, 清水康廣, 長山省吾, 戸田博之, 渡部潤一, 福島英雄, 森正樹

    日本天文学会年会講演予稿集   2010   2010

  • 石垣島天文台の現況報告

    黒田大介, 石村拓人, 下川辺隆史, 谷津陽一, 河合誠之, 川上恭子, 安部正真

    日本天文学会年会講演予稿集   2008   2008

  • MITSuME望遠鏡の開発現状と観測状況

    工藤佑允, 河合誠之, 小谷太郎, 谷津陽一, 下川辺隆史, 石村拓人, VASQUEZ Nicolas, 森由希, 吉田道利, 柳澤顕史, 長山省吾, 戸田博之, 清水康広, 黒田大介, 渡部潤一, 福島英雄, 森正樹

    日本天文学会年会講演予稿集   2008   2008

  • ガンマ線バースト硬X線偏光観測衛星「つばめ」の開発現状

    戸泉貴裕, 津布久佳宏, 小林光吉, 下川辺隆史, 谷津陽一, 片岡淳, 河合誠之

    日本天文学会年会講演予稿集   2008   2008

  • ブレーザー3C 454.3の“ガンマ線フレア”多波長同時観測

    森由希, 片岡淳, 河合誠之, 石村拓人, 工藤佑允, 下川辺隆史, 谷津陽一, 高橋忠幸, 佐藤理江, TAVANINI M., TOSTI G., MADEJSKI G., GIOMMI P.

    日本天文学会年会講演予稿集   2008   2008

  • Hole multiplication in a reverse-type avalanche photodiode Reviewed

    Mitsuhiro Sato, Takayuki Yanagida, Akira Yoshikawa, Yoichi Yatsu, Jun Kataoka, Fumio Saito

    2007 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOLS 1-11   1486 - +   2007

     More details

    Language:English  

    Web of Science

    researchmap

  • MITSuME望遠鏡の開発現状と観測状況

    下川辺隆史, 河合誠之, 小谷太郎, 谷津陽一, 石村拓人, VASQUEZ Nicolas, 吉田道利, 柳澤顕史, 長山省吾, 戸田博之, 清水康広, 黒田大介, 渡部潤一, 福島英雄, 森正樹

    日本天文学会年会講演予稿集   2007   2007

  • 27pTF-7 MItsuME-Multicolor Imaging Telescope for Survey and Monstrous Explosions

    Yatsu Y., Shimokawabe T., Kawai N., Kotani T., Kataoka J., Sato R., Arimoto M., Yanagisawa K., Nagayama S., Kuroda D., Toda H., Yoshida M., Ohta K., Watanabe J., Yoshida A., Shimizu Y., Okita K.

    Meeting abstracts of the Physical Society of Japan   61 ( 1 )   88 - 88   2006.3

     More details

    Language:Japanese   Publisher:The Physical Society of Japan (JPS)  

    CiNii Books

    researchmap

  • 30aSD-2 大学小型衛星Cute-1.7によるAPDの宇宙動作実証(30aSD X線・γ線,宇宙線・宇宙物理領域)

    古徳 純一, 片岡 淳, 河合 誠之, 倉本 祐介, 谷津 陽一, 津布久 佳宏, および工学部松永研究室

    日本物理学会講演概要集   61 ( 1 )   103 - 103   2006.3

     More details

    Language:Japanese   Publisher:一般社団法人日本物理学会  

    DOI: 10.11316/jpsgaiyo.61.1.1.0_103_3

    CiNii Books

    CiNii Research

    researchmap

  • 明野ガンマ線バースト観測用50cm望遠鏡の開発

    下川辺隆史, 河合誠之, 片岡淳, 小谷太郎, 佐藤理江, 谷津陽一, 有元誠, 渡部潤一, 福島英雄, 柳澤顕史, 清水康広, 吉田道利, 長山省吾, 太田耕司, 吉田篤正, 黒田大介, 戸田博之

    日本天文学会年会講演予稿集   2006   2006

  • MITSuME望遠鏡データベースの開発

    下川辺隆史, 河合誠之, 小谷太郎, 谷津陽一, 高田唯史, 吉田道利, 柳澤顕史, 黒田大介

    日本天文学会年会講演予稿集   2006   2006

  • Cute-1.7搭載APDモジュールの放射線耐性と性能評価

    津布久佳宏, 谷津陽一, 古徳純一, 片岡淳, 河合誠之, 尾曲邦之, 根田康実, 芦田宏樹

    日本天文学会年会講演予稿集   2006   2006

  • MITSuME望遠鏡の開発

    谷津陽一, 河合誠之, 小谷太郎, 下川辺隆史, VASQUEZ Nicolas, 柳澤顕史, 吉田道利, 長山省吾, 黒田大介, 戸田博之

    日本天文学会年会講演予稿集   2006   2006

  • 24pXK-8 学生主導の小型衛星開発 : 大学小型衛星Cuteの開発現状(X線衛星装置開発,宇宙線・宇宙物理)

    古徳 純一, 片岡 淳, 河合 誠之, 倉本 祐介, 谷津 陽一, 五十川 知子, 齊藤 孝男

    日本物理学会講演概要集   60 ( 1 )   90 - 90   2005.3

     More details

    Language:Japanese   Publisher:一般社団法人日本物理学会  

    DOI: 10.11316/jpsgaiyo.60.1.1.0_90_1

    CiNii Books

    CiNii Research

    researchmap

  • 大学小型衛星Cuteの開発現状(2)

    倉本 祐輔, 古徳 純一, 谷津 陽一

    宇宙科学シンポジウム   5   388 - 391   2005.1

     More details

    Language:Japanese   Publisher:相模原 : 宇宙航空研究開発機構宇宙科学研究本部  

    CiNii Books

    CiNii Research

    researchmap

    Other Link: https://ndlsearch.ndl.go.jp/books/R000000004-I7919823

  • ガンマ線バースト偏光X線観測用小型衛星「燕」の開発

    斉藤孝男, 有元誠, 片岡淳, 倉本祐輔, 谷津陽一, 古徳純一, 五十川知子, 河合誠之, 今井勝俊, 宮本径, 矢部秀幸, 飯沼大, 船木勇佑, 臼田武史, 藤原謙, 桝本晋嗣, 尾曲邦之, 浅見正, 宮澤航, 松永三郎

    日本天文学会年会講演予稿集   2005   2005

  • 「三つ目」岡山50cm望遠鏡の試験観測

    河合誠之, 柳澤顕史, 太田耕司, 渡部潤一, 吉田篤正, 清水康広, 吉田道利, 長山省吾, 稲田素子, 服部尭, 沖田喜一, 岡田隆史, 渡邊悦二, 黒田大介, 戸田博之, 小谷太郎, 片岡淳, 佐藤理江, 鈴木素子, 谷津陽一, 有元誠, 下川辺隆史

    日本天文学会年会講演予稿集   2005   2005

  • 明野ガンマ線バースト観測用50cm望遠鏡の開発

    谷津陽一, 河合誠之, 片岡淳, 小谷太郎, 鈴木素子, 佐藤理江, 有元誠, 下川辺隆史, 渡辺潤一, 福島英雄, 柳澤顕史, 清水康広, 吉田道利, 長山省吾, 太田耕司, 吉田篤正, 黒田大介, 戸田博之

    日本天文学会年会講演予稿集   2005   2005

  • 大学小型衛星Cute-1.7フライトモデルの開発現状

    古徳純一, 倉本祐輔, 片岡淳, 谷津陽一, 津布久佳宏, 河合誠之, 斎藤孝男

    日本天文学会年会講演予稿集   2005   2005

  • アバランシェ・フォトダイオードの宇宙利用と放射線耐性

    五十川知子, 片岡淳, 谷津陽一, 齊藤孝男, 倉本祐輔, 古徳純一, 河合誠之, 石川嘉隆, 川端信行, 岸本俊二, 嶋達志

    日本天文学会年会講演予稿集   2005   2005

  • 27aZE-4 Chandra Observation of the Interaction between the plasma nebula RCW89 and the Pulsar Jet of PSR B1509 58

    Yatsu Yoichi, Kotani Taro, Kataoka Jun, Kawai Nobuyuki, Tamura Keisuke

    Meeting abstracts of the Physical Society of Japan   59 ( 1 )   78 - 78   2004.3

     More details

    Language:Japanese   Publisher:The Physical Society of Japan (JPS)  

    DOI: 10.11316/jpsgaiyo.59.1.1.0_78_3

    CiNii Books

    CiNii Research

    researchmap

  • Well-type硬X線偏光計PoGOの開発と気球実験への応用

    谷津 陽一, 片岡 淳, 五十川 知子

    宇宙科学シンポジウム   4   453 - 455   2004.1

     More details

    Language:Japanese   Publisher:宇宙科学研究所  

    CiNii Books

    CiNii Research

    researchmap

  • 宇宙用アバランシェ・フォトダイオードの開発とNeXT衛星への応用

    五十川 知子, 片岡 淳, 谷津 陽一

    宇宙科学シンポジウム   4   81 - 83   2004.1

     More details

    Language:Japanese   Publisher:宇宙科学研究所  

    CiNii Books

    CiNii Research

    researchmap

  • Earliest detection of the optical afterglow of GRB 030329 and its variability

    R Sato, N Kawai, M Suzuki, Y Yatsu, J Kataoka, R Takagi, K Yanagisawa, H Yamaoka

    GAMMA-RAY BURSTS: 30 YEARS OF DISCOVERY   727 ( No. )   307 - 311   2004

     More details

    Language:English  

    Web of Science

    researchmap

  • 学生主導の小型衛星の開発~展工大Cute1.7の現状~

    倉本祐輔, 谷津陽一, 片岡淳, 古徳純一, 河合誠之, 五十川知子, 斎藤孝男

    日本天文学会年会講演予稿集   2004   2004

  • Temperature effects in reverse-type avalanche photodiodes Reviewed

    Mitsuhiro Sato, Takayuki Yanagida, Akira Yoshikawa, Yoichi Yatsu, Jun Kataoka, Fumio Saito

    2007 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOLS 1-11   2   1491 - +   1905.6

▼display all

Industrial property rights

  • 画像処理装置

    谷津陽一

     More details

    Applicant:国立大学法人東京工業大学

    Application no:特願2018-134620  Date applied:2018.7

    Announcement no:特開2020-013292  Date announced:2020.1

    researchmap

  • 画像処理装置

    谷津陽一, 岩崎陽平, 菊谷侑平, 松永三郎

     More details

    Applicant:国立大学法人東京工業大学

    Application no:特願2018-139611  Date applied:2018.7

    Announcement no:特開2020-015416  Date announced:2020.1

    researchmap

Research Projects

  • Nature of Exploding Objects Explored in the UV Sky

    Grant number:23K25910  2023.4 - 2028.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

      More details

    Grant amount:\18720000 ( Direct Cost: \14400000 、 Indirect Cost:\4320000 )

    researchmap

  • 光赤外線・電波が届ける宇宙の物質生成の証

    Grant number:23H04894  2023.4 - 2028.3

    日本学術振興会  科学研究費助成事業  学術変革領域研究(A)

    田中 雅臣, 冨永 望, 新沼 浩太郎, 谷津 陽一, 太田 耕司, 川端 弘治, 松林 和也, 諸隈 智貴

      More details

    Grant amount:\165620000 ( Direct Cost: \127400000 、 Indirect Cost:\38220000 )

    researchmap

  • 紫外線で探る爆発天体の物理

    Grant number:23H01214  2023.4 - 2028.3

    日本学術振興会  科学研究費助成事業 基盤研究(B)  基盤研究(B)

    谷津 陽一

      More details

    Grant amount:\18720000 ( Direct Cost: \14400000 、 Indirect Cost:\4320000 )

    researchmap

  • 可変形状機能を用いた姿勢軌道制御技術の体系化研究による宇宙システムの革新

    Grant number:21H04588  2021.4 - 2024.3

    日本学術振興会  科学研究費助成事業  基盤研究(A)

    松永 三郎, 古谷 寛, 宮崎 康行, 森 治, 谷津 陽一, 松下 将典, 中条 俊大, 佐藤 泰貴

      More details

    Grant amount:\43160000 ( Direct Cost: \33200000 、 Indirect Cost:\9960000 )

    可変形状姿勢軌道制御の体系化研究に関して、まず可変形状姿勢制御実証衛星ひばりのフライトモデルの開発を完了させ、打ち上げ、軌道投入を行った。軌道上での基本的な機能確認の後、世界で初めてとなる、可変形状機能を積極的に利用した姿勢制御の基本的な実証を成功させた。また形状変化に伴う大気抵抗トルクや重力傾斜トルクの変化による姿勢運動の特性変化に関する解析を行い、将来技術として、可変形状技術を応用した回転駆動が可能なソーラーセイルの軌道・姿勢同時制御のための力学解析を行った。さらに、折り畳まれた膜面を自己伸展ブームにより展開する際の展開運動を安定に解析する手法を定式化し、数値シミュレーションによりその妥当性を示した。
    可変形状機構システムの実用化研究に関して、まず収納展開機構のプロトモデルの設計・試作、実験・評価を行い、改良を行った。また、新たなアイデアに基づく高剛性展開構造の収納展開機構の検討・設計・試作を行った。加えて、超小型可変形状ソーラー電力セイル探査機ミッション・システムを検討し、展開構造システムを提案し、収納・保持・解放・展開・展開後ラッチ方法の概念検討を行った。
    システム即応設計統合開発と軌道上実証に関して、キューブサット用の市販コンポーネントを積極的に採用し、要所は民生部品を用いた自作回路と組み合わせることで、拡張性の高いシステムを構築し、信頼性と低コストを両立することに成功した。地上での環境試験ののち、ひばりによる軌道上での動作実証を行った。
    可変形状宇宙機のミッションと仕様の検討に関して、上述のようにソーラーセイルを用いたミッション設計を行ったこと、ひばりに搭載した超高性能スタートラッカの軌道上実証に加え、高分解能カメラ、紫外線カメラ等を用いた文観測やオーロラ等の観測を実施することで、可変形状宇宙機のミッションとして将来実現可能なテーマを探すべくデータ収集を行なった。

    researchmap

  • 片岡ラインX線ガンマ線イメージングプロジェクト

    2021 - 2026

    科学技術振興機構  戦略的な研究開発の推進 戦略的創造研究推進事業 ERATO 

    片岡 淳

      More details

    宇宙空間は宇宙線と呼ばれる謎の多い粒子で満ちています。特に100MeV以下の宇宙線は生命の源や星の進化に重要な鍵となると考えられ、星間物質と反応して元素特有のエネルギーを持つX線やガンマ線のスペクトル輝線(ラインX線ガンマ線)を放出します。この輝線を可視化できれば、宇宙の「激動の歴史」を探ることができます。また、これを医療に応用すると、同じ原理で体内の薬物動態や粒子治療中の細胞周辺の反応を可視化できるはずです。ここで鍵となるのがラインX線ガンマ線のイメージングですが、直接「動態を見る」可視化技術はいまだ確立されていませんでした。
    本研究領域では、放射化した物質などのラインX線ガンマ線を独自の開発技術で可視化するイメージング法を確立します。さらに、それを共通基盤として宇宙分野、医学・薬学分野に展開し、宇宙から人体まであらゆる物質の動態を統一的に把握するイメージングの新しい学際的な枠組みを構築します。
    本研究を通して前人未踏のMeVガンマ線宇宙観測への突破口を拓くとともに、新しい粒子線治療の開拓や体内の超低濃度薬剤分布とその治療効果の可視化など、新たな医療価値を見いだします。

    researchmap

    J-GLOBAL

  • 機械学習を用いた突発天体検知サーベイロボットの構築

    Grant number:20K04011  2020.4 - 2023.3

    日本学術振興会  科学研究費助成事業 基盤研究(C)  基盤研究(C)

    村田 勝寛, 谷津 陽一, 篠田 浩一, 井上 中順, 下川辺 隆史

      More details

    Grant amount:\4290000 ( Direct Cost: \3300000 、 Indirect Cost:\990000 )

    本年度の成果は大きく分けて以下の二点である。
    (a) 広視野望遠鏡の設置
    本年度前半は広視野望遠鏡用に検討していた2台のアマチュア天文向けCMOSカメラの性能評価を進めた。実験室での試験と大学屋上での試験観測により、このうち1台で天文研究向けの観測に必要な性能を備えていることを確認できた。それを踏まえて10月に岡山県浅口市のMITSuME望遠鏡天体ドーム内に口径20cm広視野望遠鏡を設置して観測を開始した。はじめに重力波追観測用のSDSS gバンドフィルターでの試験観測をおこない、合計1000秒積分で17.5等の限界等級を達成していることを確認した。また、望遠鏡の赤道儀制御、CMOSカメラ撮像制御のソフトウェアを開発して、事前に準備した天体リストにもとづき自動観測を実施できる機能を導入した。本年度は重力波望遠鏡の観測は停止しているため、銀河系内の天体を中心に観測を進めた。
    (b) 突発天体検知システム開発
    突発天体検知システムは、観測画像の一次処理、深層学習を用いた突発天体の識別システムからなる。我々が運用するMITSuME可視光望遠鏡のパイプラインを移植することで、本年度岡山に設置した広視野望遠鏡の画像処理と測光の自動化を実現した。突発天体識別システムについては、識別精度の向上のため、これまで開発してきた深層学習を用いた識別手法の改善を試みた。また、実運用に向けてサーバーの立ち上げとスクリプト群の開発を進めた。

    researchmap

  • 量子航法科学技術拠点

    2020 - 2029

    科学技術振興機構  産学が連携した研究開発成果の展開 研究成果展開事業 共創の場形成支援 共創の場形成支援プログラム(COI-NEXT) 政策重点分野 

      More details

    GPSに代表される衛星航法の登場により、船舶、民航機、そして地上のあらゆる交通システムの安定な運航が実現された。その一方で地中、水中といった電波の届かない領域での航法精度は、その要求に反し地表面上のそれに遠く及ばない。また地上であってもGPS妨害や欺瞞など国民の安全・安心に直結する問題が生じている。本拠点は、航法を支える各種センサーや時計について、古典から量子に至るあらゆる最先端技術を開発・融合し、海中や外宇宙にまで人類の活動空間を拡げる革新的航法技術の開拓を狙う。さらにそのような最先端航法科学技術を駆使し地球内部を診断することで、防災・減災へ役立てるなど、航法科学の新たな応用先を開拓する。

    researchmap

    J-GLOBAL

  • Ultraviolet Transient Survey with a Very Small Satellite

    Grant number:19H00698  2019.4 - 2023.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A)  Grant-in-Aid for Scientific Research (A)

    Kawai Nobuyuki

      More details

    Grant amount:\44980000 ( Direct Cost: \34600000 、 Indirect Cost:\10380000 )

    We have developed the microsatellite named "Umitsubame (PETREL)" equipped with a wide-field near-ultraviolet telescope. The primary objective of this mission is to detect and promptly conduct follow-up observations of rapid transient phenomena in the ultraviolet region. Specifically, we aim to observe phenomena such as the ultraviolet emission from neutron star binary mergers associated with gravitational waves and the shock breakout of core collapse supernovae in the nearby universe. Umitsubame will cover a sky area of approximately 20 square degrees, focusing on the wavelength range of 200-300nm. The scheduled launch for the satellite is at the end of 2023, and it is anticipated to perform coordinated observations for over a year during the fourth phase of gravitational wave observations (O4).

    researchmap

  • Opening a new frontier in time-domain astronomy with ultraviolet

    Grant number:17H04829  2017.4 - 2021.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (A)  Grant-in-Aid for Young Scientists (A)

    Yatsu Yoichi

      More details

    Grant amount:\24700000 ( Direct Cost: \19000000 、 Indirect Cost:\5700000 )

    The goal of this research is opening up the multi-messenger time-domain astronomy triggered by ultraviolet waveband. The possible targets are the gravitational wave events accompanied by electromagnetic emission and shock breakouts of core-collapse supernovae of high-mass stars in extremely early phase. To realize those science mission, we developed an ultraviolet telescope for satellites with a sensitivity of 250-300 nm. We also carried out a conceptual design of the satellite system and we proposed this project to ISAS/JAXA as a small-scale program for developing the flight model. We also applied this project to JAXA's Innovative satellite technology demonstration program to obtain the flight chance. The launch is scheduled in FY 2022 as we planned.

    researchmap

  • Research and Demonstration for Design and Its Advanced Attitude Control Methods of Reconfigurable Space Systems with Shape Change Function

    Grant number:17H01349  2017.4 - 2020.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A)  Grant-in-Aid for Scientific Research (A)

    Matunaga Saburo

      More details

    Grant amount:\44070000 ( Direct Cost: \33900000 、 Indirect Cost:\10170000 )

    A variable shape attitude control satellite was developed to EM level and will be launched in orbit in 2021. We showed influences of variable shape change on structure optimization, magnetic torque and RW combination attitude control, solar power generation, heat control and communication interference, and found orbit solutions to transition between EML and to Mars for variable shape solar sail, which showed usefulness of simultaneous orbit and attitude control. Deployable booms with corrugated closed section and planar self-deployable structures with corrugated panels were proposed and the deployment properties were clarified. 3-axis attitude determination with 1-degree precision is achieved by AI image identification in orbit with visible light camera of 3 gram. An occulter mission with deployable truss structure, and an ultraviolet astronomy observation/land-sea remote sensing mission were proposed and their conceptual design was conducted. The latter is planned to launch in 2022.

    researchmap

  • Development of high-precision high-speed transient detection method in wide-field survey utilizing GPU and Deep Learning

    Grant number:16K13783  2016.4 - 2019.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research  Grant-in-Aid for Challenging Exploratory Research

    YATSU YOICHI, KAWAI NOBUYUKI

      More details

    Grant amount:\3770000 ( Direct Cost: \2900000 、 Indirect Cost:\870000 )

    GGeneric technologies for automating the optical/IR telescopes for the up coming Gravitational astronomy Era were developed .Currently the robotic telescopes still require humans help for assigning of observation schedule and the final confirmations of transient detections. To reduce the delay of the follow-up observation, we developed a weather recognition algorithm and a transient detection algorithm by using machine learning and image recognition technologies. In addition we also successfully speeded up the data reduction pipeline by a factor of 1/30 by utilizing GPU parallel computing technology.

    researchmap

  • Search for X/gamma radiation from gravitational wave sources

    Grant number:24103002  2012.6 - 2017.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

    Kawai Nobuyuki, TSUNEMI Hiroshi, UENO Shiro, YOSHIDA Atsumasa, NEGORO Hitoshi, UEDA Yoshihiro, KIMURA Masashi, ARIMOTO Makoto, ISOBE Naoki, SUGITA Satoshi, SERINO Motoko, NAKAHIRA Satoshi, KOHMURA Takayoshi

      More details

    Grant amount:\251420000 ( Direct Cost: \193400000 、 Indirect Cost:\58020000 )

    In order to investigate the physical processes working during the emission gravitational waves (GW) and the origin of the astrophysical GW sources, we searched for X and gamma-ray counterparts of GW events detected by LIGO including GW150914, the black hole merger event with the first GW detection, using the MAXI all-sky X-ray monitor and the CALET gamma-ray burst monitor on the International Space Station, obtaining upper limits for X/gamma radiation. Furthermore, we conducted concept study of WF-MAXI mission that can efficiently detect transient X-ray emission from GW events with its Large-solid angle Soft X-ray Camera. We developed and built a laboratory model, and we proposed this mission as an ISS payload. In addition we observed astrophysical sources involved in GW emission such as neutron stars, black holes, and gamma-ray bursts using various missions, MAXI, Swift, Fermi, and CALET.

    researchmap

  • Polarimetric observation of gamma-ray bursts utilizing a micro-satellite

    Grant number:24740121  2012.4 - 2016.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B)  Grant-in-Aid for Young Scientists (B)

    Yatsu Yoichi

      More details

    Grant amount:\4550000 ( Direct Cost: \3500000 、 Indirect Cost:\1050000 )

    Development and flight operation of a micro-satellite for polarimetry of gamma-ray burst prompt emission is reported. The gamma-ray detector system was equipped with the brand new technologies, such as high efficiency shock-resistive PMTs, avalanche photodiodes, and custom designed ASICs for signal readout, to achieve high sensitivity under the limited configuration. The pre-flight performance of the detector system was measured utilizing the synchrotron beam facility, and we confirmed that the detector satisfied the design performance. Finally the satellite was launched on Nov 6, 2014 from Kazakhstan. After the separation from the launch vehicle, the satellite successfully de-tumbled, acquired the sun and took spin-stabilized attitude with magnetic torquers. However the satellite encountered a fatal trouble in the RF communication system, meaning that the satellite became into the out of control. Therefore we carefully analyzed the telemetry data and clarified the failure point.

    researchmap

  • Development of the wide field burst monitor

    Grant number:21840025  2009 - 2010

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Research Activity Start-up  Grant-in-Aid for Research Activity Start-up

    YATSU Yoichi

      More details

    Grant amount:\2704000 ( Direct Cost: \2080000 、 Indirect Cost:\624000 )

    A detector system for position determination of gamma-ray bursts aboard the very small satellite for gamma-ray polarimetry was developed. The detector consists of CsI scintillator coupled with avalanche photodiodes, which enabled a lower detectable energy of 30 keV even at a room temperature. To evaluate the performance of the system on orbit we ran ray-trace simulation reflecting the whole geometry of the satellite, and confirmed that our detector system can determine the position of GRBs within a tolerance of 5 degrees.

    researchmap

  • 回転駆動型パルサーを用いた相対論的ジェットの形成起源の研究

    Grant number:07J07479  2007

    日本学術振興会  科学研究費助成事業 特別研究員奨励費  特別研究員奨励費

    谷津 陽一

      More details

    Grant amount:\1000000 ( Direct Cost: \1000000 )

    パルサー星雲の構造形成機構を調べるため、米国のX線天文衛星Chandraのアーカイヴデータを用いて、計8天体の詳細な分光解析を行った。これらの研究から得られた特に重要な成果は、若く活動的なパルサーPSR B1509-58の周囲で、パルサー風の終端衝撃波面と考えられるリング状の構造(インナーリング)を発見したことである。これまで、最新鋭のX線天文台を用いてもカニ星雲以外の天体からインナーリングが検出された報告はなく、本研究による発見が世界で2番目の例となる。
    この発見の科学的に重要な点は二つある。まず、これまで、カニ星雲でしか検証されてこなかったトーラス形成に関する理論モデルを初めて異なる天体に適用して検証することが出来たという点である。本研究ではスペクトル解析、イメージング解析を駆使して理論モデルとの比較検証を行い、従来の理解よりもパルサー風の磁化率が大きいらしいことを発見した。二つ目は、PSR B1509-58のジェットの根元が衝撃波面半径を超えて広がっていることを明確に示したという点である。これまで、パルサージェットの形成機構に関しては基本的な理解すらなされていなかった。近年、数値シミュレーションによって、トーラスを磁気圧で回転軸方向に締め上げてジェットを形成するというシナリオが提唱されるようになってきた。しかしながら、数値解析から得られたジェットの構造は、カニ星雲の非常に細いジェットとは似ても似つかぬ構造であった。これに対し、本研究において我々が発見した「根元の太いジェット」と「高い磁化率」は、数値解析の示す結果と非常に良く一致しており、近年提唱されていたジェット形成の理論的なシナリオを初めて観測的に実証するものである。

    researchmap

▼display all