Climate and ocean circulation changes toward a modern snowball Earth

Takashi Obase, Takanori Kodama, Takao Kawasaki, Sam Sherriff-Tadano, Daisuke Takasuka, Ayako Abe-Ouchi, Masakazu Fujii

Climate of the Past   2026年4月

Atmospheric Collapse and Habitability on Tidally Locked Exoplanets

Keigo Taniguchi, Takanori Kodama, Martin Turbet, Guillaume Chaverot, Ehouarn Millour, Hidenori Genda

The Astrophysical Journal   2026年3月

The mass of TOI-654 b: A short-period sub-Neptune transiting a mid-M dwarf

Kai Ikuta, Norio Narita, Takuya Takarada, Teruyuki Hirano, Akihiko Fukui, Hiroyuki Tako Ishikawa, Yasunori Hori, Tadahiro Kimura, Takanori Kodama, Masahiro Ikoma, Jerome P de Leon, Kiyoe Kawauchi, Masayuki Kuzuhara, Gaia Lacedelli, John H Livingston, Mayuko Mori, Felipe Murgas, Enric Palle, Hannu Parviainen, Noriharu Watanabe, Izuru Fukuda, Hiroki Harakawa, Yuya Hayashi, Klaus Hodapp, Keisuke Isogai, Taiki Kagetani, Yugo Kawai, Vigneshwaran Krishnamurthy, Tomoyuki Kudo, Takashi Kurokawa, Nobuhiko Kusakabe, Jun Nishikawa, Stevanus K Nugroho, Masashi Omiya, Takuma Serizawa, Aoi Takahashi, Huan-Yu Teng, Yuka Terada, Akitoshi Ueda, Sébastien Vievard, Yujie Zou, Takayuki Kotani, Motohide Tamura

Publications of the Astronomical Society of Japan   2025年10月

Climates of tidally locked exo-terrestrial planets with a global cloud-resolving model

Takanori Kodama, Daisuke Takasuka, Taro Higuchi, Keigo Taniguchi

2025年7月

Milankovitch cycles as a driver of climate variation and fluvial erosion on early Mars before 3.8-3.6 Ga

Arihiro Kamada, Takeshi Kuroda, Takanori Kodama, Tatsuya Yoshida, Ralf Greve, Yasumasa Kasaba, Naoki Terada, Tomohiro Usui

2025年7月

Effects of salinity on tidally-locked aqua planets’ climate with a coupled atmosphere and ocean GCM

Keigo Taniguchi, Takanori Kodama, Taro Higuchi, Takashi Obase, Hidenori Genda

2025年7月

DRAMATIC Planets: Simulation of water cycle on Mars with cloud microphysics, and extensions to the climate evolution of Venus and beyond

Takeshi Kuroda, Arihiro Kamada, Mirai Kobayashi, Hiroki Karyu, Takanori Kodama, Norihiko Sugimoto

2025年7月

Conceptual design study of Far UV IFS and HRS on HWO for exoplanets and solar system bodies

Shingo Kameda, Go Murakami, Akifumi Nakayama, Masaki Kuwabara, Mao Kishida, Takanori Kodama, Masahiro Ikoma, Naoki Terada, Keigo Enya, Fuminori Tsuchiya, Brian Fleming, Kevin France

2025年7月

Equatorial CO2 Distribution Suggests Active CO2 Supply on Europa

Shintaro Kadoya, Yasuhito Sekine, Takanori Kodama

The Planetary Science Journal   2025年4月

Validation of up to seven TESS planet candidates through multi-colour transit photometry using MuSCAT2 data

A. Peláez-Torres, E. Esparza-Borges, E. Pallé, H. Parviainen, F. Murgas, G. Morello, M. R. Zapatero-Osorio, J. Korth, N. Narita, A. Fukui, I. Carleo, R. Luque, N. Abreu García, K. Barkaoui, A. Boyle, V. J.S. Béjar, Y. Calatayud-Borras, D. V. Cheryasov, J. L. Christiansen, D. R. Ciardi, G. Enoc, Z. Essack, I. Fukuda, G. Furesz, D. Galán, S. Geraldía-González, S. Giacalone, H. Gill, E. J. Gonzales, Y. Hayashi, K. Ikuta, K. Isogai, T. Kagetani, Y. Kawai, K. Kawauchi, P. Klagyvik, T. Kodama, N. Kusakabe, A. Laza-Ramos, J. P. De Leon, J. H. Livingston, M. B. Lund, A. Madrigal-Aguado, P. Meni, M. Mori, S. Muñoz Torres, J. Orell-Miquel, M. Puig, G. Ricker, M. Sánchez-Benavente, A. B. Savel, J. E. Schlieder, R. P. Schwarz, R. Sefako, P. Sosa-Guillén, M. Stangret, C. Stockdale, M. Tamura, Y. Terada, J. D. Twicken, N. Watanabe, J. Winn, S. G. Zheltoukhov, C. Ziegler, Y. Zou

Astronomy and Astrophysics   690   2024年10月

The Discovery and Follow-up of Four Transiting Short-period Sub-Neptunes Orbiting M Dwarfs

Yasunori Hori, Akihiko Fukui, Teruyuki Hirano, Norio Narita, Jerome P. de Leon, Hiroyuki Tako Ishikawa, Joel D. Hartman, Giuseppe Morello, Nestor Abreu García, Leticia Álvarez Hernández, Víctor J. S. Béjar, Yéssica Calatayud-Borras, Ilaria Carleo, Gareb Enoc, Emma Esparza-Borges, Izuru Fukuda, Daniel Galán, Samuel Geraldía-González, Yuya Hayashi, Masahiro Ikoma, Kai Ikuta, Keisuke Isogai, Taiki Kagetani, Yugo Kawai, Kiyoe Kawauchi, Tadahiro Kimura, Takanori Kodama, Judith Korth, Nobuhiko Kusakabe, Andrés Laza-Ramos, John H. Livingston, Rafael Luque, Kohei Miyakawa, Mayuko Mori, Felipe Murgas, Jaume Orell-Miquel, Enric Palle, Hannu Parviainen, Alberto Peláez-Torres, Marta Puig-Subirà, Manuel Sánchez-Benavente, Paula Sosa-Guillén, Monika Stangret, Yuka Terada, Sara Muñoz Torres, Noriharu Watanabe, Gaspar Á. Bakos, Khalid Barkaoui, Charles Beichman, Zouhair Benkhaldoun, Andrew W. Boyle, David R. Ciardi, Catherine A. Clark, Karen A. Collins, Kevin I. Collins, Dennis M. Conti, Ian J.M. Crossfield, Mark E. Everett, Elise Furlan, Mourad Ghachoui, Michaël Gillon, Erica J. Gonzales, Jesus Higuera, Keith Horne, Steve B. Howell, Emmanuël Jehin, Kathryn V. Lester, Michael B. Lund, Rachel Matson, Elisabeth C. Matthews, Francisco J. Pozuelos, Boris S. Safonov, Joshua E. Schlieder, Richard P. Schwarz, Ramotholo Sefako, Gregor Srdoc, Ivan A. Strakhov, Mathilde Timmermans, William C. Waalkes, Carl Ziegler, David Charbonneau, Zahra Essack, Natalia M. Guerrero, Hiroki Harakawa, Christina Hedges, Masato Ishizuka, Jon M. Jenkins, Mihoko Konishi, Takayuki Kotani, Tomoyuki Kudo, Takashi Kurokawa, Masayuki Kuzuhara, Jun Nishikawa, Masashi Omiya, George R. Ricker, Sara Seager, Takuma Serizawa, Stephanie Striegel, Motohide Tamura, Akitoshi Ueda, Roland Vanderspek, Sébastien Vievard, Joshua N. Winn

The Astronomical Journal   167 ( 6 )   289 - 289   2024年5月

Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy

Masayuki Kuzuhara, Akihiko Fukui, John H. Livingston, José A. Caballero, Jerome P. de Leon, Teruyuki Hirano, Yui Kasagi, Felipe Murgas, Norio Narita, Masashi Omiya, Jaume Orell-Miquel, Enric Palle, Quentin Changeat, Emma Esparza-Borges, Hiroki Harakawa, Coel Hellier, Yasunori Hori, Kai Ikuta, Hiroyuki Tako Ishikawa, Takanori Kodama, Takayuki Kotani, Tomoyuki Kudo, Juan C. Morales, Mayuko Mori, Evangelos Nagel, Hannu Parviainen, Volker Perdelwitz, Ansgar Reiners, Ignasi Ribas, Jorge Sanz-Forcada, Bun’ei Sato, Andreas Schweitzer, Hugo M. Tabernero, Takuya Takarada, Taichi Uyama, Noriharu Watanabe, Mathias Zechmeister, Néstor Abreu García, Wako Aoki, Charles Beichman, Víctor J. S. Béjar, Timothy D. Brandt, Yéssica Calatayud-Borras, Ilaria Carleo, David Charbonneau, Karen A. Collins, Thayne Currie, John P. Doty, Stefan Dreizler, Gareb Fernández-Rodríguez, Izuru Fukuda, Daniel Galán, Samuel Geraldía-González, Josafat González-Garcia, Yuya Hayashi, Christina Hedges, Thomas Henning, Klaus Hodapp, Masahiro Ikoma, Keisuke Isogai, Shane Jacobson, Markus Janson, Jon M. Jenkins, Taiki Kagetani, Eiji Kambe, Yugo Kawai, Kiyoe Kawauchi, Eiichiro Kokubo, Mihoko Konishi, Judith Korth, Vigneshwaran Krishnamurthy, Takashi Kurokawa, Nobuhiko Kusakabe, Jungmi Kwon, Andrés Laza-Ramos, Florence Libotte, Rafael Luque, Alberto Madrigal-Aguado, Yuji Matsumoto, Dimitri Mawet, Michael W. McElwain, Pedro Pablo Meni Gallardo, Giuseppe Morello, Sara Muñoz Torres, Jun Nishikawa, Stevanus K. Nugroho, Masahiro Ogihara, Alberto Peláez-Torres, David Rapetti, Manuel Sánchez-Benavente, Martin Schlecker, Sara Seager, Eugene Serabyn, Takuma Serizawa, Monika Stangret, Aoi Takahashi, Huan-Yu Teng, Motohide Tamura, Yuka Terada, Akitoshi Ueda, Tomonori Usuda, Roland Vanderspek, Sébastien Vievard, David Watanabe, Joshua N. Winn, Maria Rosa Zapatero Osorio

The Astrophysical Journal Letters   967 ( 2 )   L21 - L21   2024年5月

TOI-2266 b: A keystone super-Earth at the edge of the M dwarf radius valley

H. Parviainen, F. Murgas, E. Esparza-Borges, A. Peláez-Torres, E. Palle, R. Luque, M. R. Zapatero-Osorio, J. Korth, A. Fukui, N. Narita, K. A. Collins, V. J.S. Béjar, G. Morello, M. Monelli, N. Abreu Garcia, G. Chen, N. Crouzet, J. P. De Leon, K. Isogai, T. Kagetani, K. Kawauchi, P. Klagyivik, T. Kodama, N. Kusakabe, J. H. Livingston, P. Meni, M. Mori, G. Nowak, M. Tamura, Y. Terada, N. Watanabe, D. R. Ciardi, M. B. Lund, J. L. Christiansen, C. D. Dressing, S. Giacalone, A. B. Savel, L. Hirsch, S. G. Parsons, P. Brown, K. I. Collins, K. Barkaoui, M. Timmermans, M. Ghachoui, A. Soubkiou, Z. Benkhaldoun, S. McDermott, T. Pritchard, P. Rowden, S. Striegel, T. Gan, K. Horne, E. L.N. Jensen, R. P. Schwarz, A. Shporer, G. Srdoc, S. Seager, J. N. Winn, J. M. Jenkins, G. Ricker, R. Vanderspek, D. Dragomir

Astronomy and Astrophysics   683   2024年3月

A resonant sextuplet of sub-Neptunes transiting the bright star HD 110067

R. Luque, H. P. Osborn, A. Leleu, E. Pallé, A. Bonfanti, O. Barragán, T. G. Wilson, C. Broeg, A. Collier Cameron, M. Lendl, P. F. L. Maxted, Y. Alibert, D. Gandolfi, J.-B. Delisle, M. J. Hooton, J. A. Egger, G. Nowak, M. Lafarga, D. Rapetti, J. D. Twicken, J. C. Morales, I. Carleo, J. Orell-Miquel, V. Adibekyan, R. Alonso, A. Alqasim, P. J. Amado, D. R. Anderson, G. Anglada-Escudé, T. Bandy, T. Bárczy, D. Barrado Navascues, S. C. C. Barros, W. Baumjohann, D. Bayliss, J. L. Bean, M. Beck, T. Beck, W. Benz, N. Billot, X. Bonfils, L. Borsato, A. W. Boyle, A. Brandeker, E. M. Bryant, J. Cabrera, S. Carrazco-Gaxiola, D. Charbonneau, S. Charnoz, D. R. Ciardi, W. D. Cochran, K. A. Collins, I. J. M. Crossfield, Sz. Csizmadia, P. E. Cubillos, F. Dai, M. B. Davies, H. J. Deeg, M. Deleuil, A. Deline, L. Delrez, O. D. S. Demangeon, B.-O. Demory, D. Ehrenreich, A. Erikson, E. Esparza-Borges, B. Falk, A. Fortier, L. Fossati, M. Fridlund, A. Fukui, J. Garcia-Mejia, S. Gill, M. Gillon, E. Goffo, Y. Gómez Maqueo Chew, M. Güdel, E. W. Guenther, M. N. Günther, A. P. Hatzes, Ch. Helling, K. M. Hesse, S. B. Howell, S. Hoyer, K. Ikuta, K. G. Isaak, J. M. Jenkins, T. Kagetani, L. L. Kiss, T. Kodama, J. Korth, K. W. F. Lam, J. Laskar, D. W. Latham, A. Lecavelier des Etangs, J. P. D. Leon, J. H. Livingston, D. Magrin, R. A. Matson, E. C. Matthews, C. Mordasini, M. Mori, M. Moyano, M. Munari, F. Murgas, N. Narita, V. Nascimbeni, G. Olofsson, H. L. M. Osborne, R. Ottensamer, I. Pagano, H. Parviainen, G. Peter, G. Piotto, D. Pollacco, D. Queloz, S. N. Quinn, A. Quirrenbach, R. Ragazzoni, N. Rando, F. Ratti, H. Rauer, S. Redfield, I. Ribas, G. R. Ricker, A. Rudat, L. Sabin, S. Salmon, N. C. Santos, G. Scandariato, N. Schanche, J. E. Schlieder, S. Seager, D. Ségransan, A. Shporer, A. E. Simon, A. M. S. Smith, S. G. Sousa, M. Stalport, Gy. M. Szabó, N. Thomas, A. Tuson, S. Udry, A. M. Vanderburg, V. Van Eylen, V. Van Grootel, J. Venturini, I. Walter, N. A. Walton, N. Watanabe, J. N. Winn, T. Zingales

Nature   623 ( 7989 )   932 - 937   2023年11月

The mass of TOI-519 b: A close-in giant planet transiting a metal-rich mid-M dwarf 査読

Taiki Kagetani, Norio Narita, Tadahiro Kimura, Teruyuki Hirano, Masahiro Ikoma, Hiroyuki Tako ISHIKAWA, Steven Giacalone, Akihiko Fukui, Takanori Kodama, Rebecca Gore, Ashley Schroeder, Yasunori Hori, Kiyoe Kawauchi, Noriharu Watanabe, Mayuko Mori, Yujie Zou, Kai Ikuta, Vigneshwaran Krishnamurthy, Jon Zink, Kevin Hardegree-Ullman, Hiroki Harakawa, Tomoyuki Kudo, Takayuki Kotani, Takashi Kurokawa, Nobuhiko Kusakabe, Masayuki Kuzuhara, Jerome de Leon, John Livingston, Jun Nishikawa, Masashi Omiya, Enric Palle, Hannu Parviainen, Takuma Serizawa, Huan-Yu Teng, Akitoshi Ueda, Motohide Tamura

Publications of the Astronomical Society of Japan   2023年5月

TOI-1442 b and TOI-2445 b: Two potentially rocky ultra-short period planets around M dwarfs

G. Morello, H. Parviainen, F. Murgas, E. Pallé, M. Oshagh, A. Fukui, T. Hirano, H. T. Ishikawa, M. Mori, N. Narita, K. A. Collins, K. Barkaoui, P. Lewin, C. Cadieux, J. P. de Leon, A. Soubkiou, N. Abreu Garcia, N. Crouzet, E. Esparza-Borges, G. E.Fernández Rodríguez, D. Galán, Y. Hori, M. Ikoma, K. Isogai, T. Kagetani, K. Kawauchi, T. Kimura, T. Kodama, J. Korth, T. Kotani, V. Krishnamurthy, S. Kurita, A. Laza-Ramos, J. H. Livingston, R. Luque, A. Madrigal-Aguado, T. Nishiumi, J. Orell-Miquel, M. Puig-Subirà, M. Sánchez-Benavente, M. Stangret, M. Tamura, Y. Terada, N. Watanabe, Y. Zou, Z. Benkhaldoun, K. I. Collins, R. Doyon, L. Garcia, M. Ghachoui, M. Gillon, E. Jehin, F. J. Pozuelos, R. P. Schwarz, M. Timmermans

Astronomy and Astrophysics   673   2023年5月

Southern Ocean surface temperatures and cloud biases in climate models connected to the representation of glacial deep ocean circulation 査読

Sam Sherriff-Tadano, Ayako Abe-Ouchi, Masakazu Yoshimori, Rumi Ohgaito, Tristan Vadsaria, Wing-Le Chan, Haruka Hotta, Maki Kikuchi, Takanori Kodama, Akira Oka, Kentaroh Suzuki

Journal of Climate   1 - 38   2023年3月

Two temperate super-Earths transiting a nearby late-type M dwarf 査読

L. Delrez, C. A. Murray, F. J. Pozuelos, N. Narita, E. Ducrot, M. Timmermans, N. Watanabe, A. J. Burgasser, T. Hirano, B. V. Rackham, K. G. Stassun, V. Van Grootel, C. Aganze, M. Cointepas, S. Howell, L. Kaltenegger, P. Niraula, D. Sebastian, J. M. Almenara, K. Barkaoui, T. A. Baycroft, X. Bonfils, F. Bouchy, A. Burdanov, D. A. Caldwell, D. Charbonneau, D. R. Ciardi, K. A. Collins, T. Daylan, B.-O. Demory, J. de Wit, G. Dransfield, S. B. Fajardo-Acosta, M. Fausnaugh, A. Fukui, E. Furlan, L. J. Garcia, C. L. Gnilka, Y. Gómez Maqueo Chew, M. A. Gómez-Muñoz, M. N. Günther, H. Harakawa, K. Heng, M. J. Hooton, Y. Hori, M. Ikoma, E. Jehin, J. M. Jenkins, T. Kagetani, K. Kawauchi, T. Kimura, T. Kodama, T. Kotani, V. Krishnamurthy, T. Kudo, V. Kunovac, N. Kusakabe, D. W. Latham, C. Littlefield, J. McCormac, C. Melis, M. Mori, F. Murgas, E. Palle, P. P. Pedersen, D. Queloz, G. Ricker, L. Sabin, N. Schanche, U. Schroffenegger, S. Seager, B. Shiao, S. Sohy, M. R. Standing, M. Tamura, C. A. Theissen, S. J. Thompson, A. H. M. J. Triaud, R. Vanderspek, S. Vievard, R. D. Wells, J. N. Winn, Y. Zou, S. Zúñiga-Fernández, M. Gillon

Astronomy & Astrophysics   667   A59 - A59   2022年11月

Evolution of ice sheets on early Mars with subglacial river systems 査読

A. Kamada, T. Kuroda, T. Kodama, Y. Kasaba, N. Terada

Icarus   385   115117 - 115117   2022年10月

TOI-1468: A system of two transiting planets, a super-Earth and a mini-Neptune, on opposite sides of the radius valley

P. Chaturvedi, P. Bluhm, E. Nagel, A. P. Hatzes, G. Morello, M. Brady, J. Korth, K. Molaverdikhani, D. Kossakowski, J. A. Caballero, E. W. Guenther, E. Palle, N. Espinoza, A. Seifahrt, N. Lodieu, C. Cifuentes, E. Furlan, P. J. Amado, T. Barclay, J. Bean, V. J. S. Bejar, G. Bergond, A. W. Boyle, D. Ciardi, K. A. Collins, K. Collins, E. Esparza-Borges, A. Fukui, C. L. Gnilka, R. Goeke, P. Guerra, Th Henning, E. Herrero, S. B. Howell, S. Jeffers, J. M. Jenkins, E. L. N. Jensen, D. Kasper, T. Kodama, D. W. Latham, M. J. Lopez-Gonzalez, R. Luque, D. Montes, J. C. Morales, M. Mori, F. Murgas, N. Narita, G. Nowak, H. Parviainen, V. M. Passegger, A. Quirrenbach, S. Reffert, A. Reiners, Ribas, I, G. R. Ricker, E. Rodriguez, C. Rodriguez-Lopez, M. Schlecker, R. P. Schwarz, A. Schweitzer, S. Seager, G. Stefansson, C. Stockdale, L. Tal-Or, J. D. Twicken, S. Vanaverbeke, G. Wang, D. Watanabe, J. N. Winn, M. Zechmeister

ASTRONOMY & ASTROPHYSICS   666   2022年10月

Validation and atmospheric exploration of the sub-Neptune TOI-2136b around a nearby M3 dwarf

K. Kawauchi, F. Murgas, E. Palle, N. Narita, A. Fukui, T. Hirano, H. Parviainen, H. T. Ishikawa, N. Watanabe, E. Esparaza-Borges, M. Kuzuhara, J. Orell-Miquel, V. Krishnamurthy, M. Mori, T. Kagetani, Y. Zou, K. Isogai, J. H. Livingston, S. B. Howell, N. Crouzet, J. P. de Leon, T. Kimura, T. Kodama, J. Korth, S. Kurita, A. Laza-Ramos, R. Luque, A. Madrigal-Aguado, K. Miyakawa, G. Morello, T. Nishiumi, G. E. F. Rodríguez, M. Sánchez-Benavente, M. Stangret, H. Teng, Y. Terada, C. L. Gnilka, N. Guerrero, H. Harakawa, K. Hodapp, Y. Hori, M. Ikoma, S. Jacobson, M. Konishi, T. Kotani, T. Kudo, T. Kurokowa, N. Kusakabe, J. Nishikawa, M. Omiya, T. Serizawa, M. Tamura, A. Ueda, S. Vievard

Astronomy & Astrophysics   666   A4 - A4   2022年9月

A hot sub-Neptune in the desert and a temperate super-Earth around faint M dwarfs Color validation of TOI-4479b and TOI-2081b 査読

E. Esparza-Borges, H. Parviainen, F. Murgas, E. Palle, A. Maas, G. Morello, M. R. Zapatero-Osorio, K. Barkaoui, N. Narita, A. Fukui, N. Casasayas-Barris, M. Oshagh, N. Crouzet, D. Galan, G. E. Fernandez, T. Kagetani, K. Kawauchi, T. Kodama, J. Korth, N. Kusakabe, A. Laza-Ramos, R. Luque, J. Livingston, A. Madrigal-Aguado, M. Mori, J. Orell-Miquel, M. Puig-Subira, M. Stangret, Y. Terada, N. Watanabe, Y. Zou, A. Baliga Savel, A. A. Belinski, K. Collins, C. D. Dressing, S. Giacalone, H. Gill, M. Goliguzova, M. Ikoma, J. M. Jenkins, M. Tamura, J. D. Twicken, G. R. Ricker, R. P. Schwarz, S. Seager, A. Shporer, R. Vanderspek, J. Winn

ASTRONOMY & ASTROPHYSICS   666   2022年9月

TOI-1452 b: SPIRou and TESS Reveal a Super-Earth in a Temperate Orbit Transiting an M4 Dwarf 査読

Charles Cadieux, Rene Doyon, Mykhaylo Plotnykov, Guillaume Hebrard, Farbod Jahandar, Etienne Artigau, Diana Valencia, Neil J. Cook, Eder Martioli, Thomas Vandal, Jean-Francois Donati, Ryan Cloutier, Norio Narita, Akihiko Fukui, Teruyuki Hirano, Francois Bouchy, Nicolas B. Cowan, Erica J. Gonzales, David R. Ciardi, Keivan G. Stassun, Luc Arnold, Bjoern Benneke, Isabelle Boisse, Xavier Bonfils, Andres Carmona, Pia Cortes-Zuleta, Xavier Delfosse, Thierry Forveille, Pascal Fouque, Joao Gomes da Silva, Jon M. Jenkins, Flavien Kiefer, Agnes Kospal, David Lafreniere, Jorge H. C. Martins, Claire Moutou, J-D Do Nascimento, Merwan Ould-Elhkim, Stefan Pelletier, Joseph D. Twicken, Luke G. Bouma, Scott Cartwright, Antoine Darveau-Bernier, Konstantin Grankin, Masahiro Ikoma, Taiki Kagetani, Kiyoe Kawauchi, Takanori Kodama, Takayuki Kotani, David W. Latham, Kristen Menou, George Ricker, Sara Seager, Motohide Tamura, Roland Vanderspek, Noriharu Watanabe

ASTRONOMICAL JOURNAL   164 ( 3 )   2022年9月

TOI-1696: A Nearby M4 Dwarf with a 3 R _⊕ Planet in the Neptunian Desert 査読

Mayuko Mori, John H. Livingston, Jerome de Leon, Norio Narita, Teruyuki Hirano, Akihiko Fukui, Karen A. Collins, Naho Fujita, Yasunori Hori, Hiroyuki Tako Ishikawa, Kiyoe Kawauchi, Keivan G. Stassun, Noriharu Watanabe, Steven Giacalone, Rebecca Gore, Ashley Schroeder, Courtney D. Dressing, Allyson Bieryla, Eric L. N. Jensen, Bob Massey, Avi Shporer, Masayuki Kuzuhara, David Charbonneau, David R. Ciardi, John P. Doty, Emma Esparza-Borges, Hiroki Harakawa, Klaus Hodapp, Masahiro Ikoma, Kai Ikuta, Keisuke Isogai, Jon M. Jenkins, Taiki Kagetani, Tadahiro Kimura, Takanori Kodama, Takayuki Kotani, Vigneshwaran Krishnamurthy, Tomoyuki Kudo, Seiya Kurita, Takashi Kurokawa, Nobuhiko Kusakabe, David W. Latham, Brian McLean, Felipe Murgas, Jun Nishikawa, Taku Nishiumi, Masashi Omiya, Hugh P. Osborn, Enric Palle, Hannu Parviainen, George R. Ricker, Sara Seager, Takuma Serizawa, Huan-Yu Teng, Yuka Terada, Joseph D. Twicken, Akitoshi Ueda, Roland Vanderspek, Sébastien Vievard, Joshua N. Winn, Yujie Zou, Motohide Tamura

The Astronomical Journal   163 ( 6 )   298 - 298   2022年6月

A Close-in Puffy Neptune with Hidden Friends: The Enigma of TOI 620 査読

Michael A. Reefe, Rafael Luque, Eric Gaidos, Corey Beard, Peter P. Plavchan, Marion Cointepas, Bryson L. Cale, Enric Palle, Hannu Parviainen, Dax L. Feliz, Jason Eastman, Keivan Stassun, Jonathan Gagne, Jon M. Jenkins, Patricia T. Boyd, Richard C. Kidwell, Scott McDermott, Karen A. Collins, William Fong, Natalia Guerrero, Jose-Manuel Almenara-Villa, Jacob Bean, Charles A. Beichman, John Berberian, Allyson Bieryla, Xavier Bonfils, Francois Bouchy, Madison Brady, Edward M. Bryant, Luca Cacciapuoti, Caleb Canas, David R. Ciardi, Kevin Collins, Ian J. M. Crossfield, Courtney D. Dressing, Philipp Eigmuller, Mohammed El Mufti, Emma Esparza-Borges, Akihiko Fukui, Peter Gao, Claire Geneser, Crystal L. Gnilka, Erica Gonzales, Arvind F. Gupta, Sam Halverson, Fred Hearty, Steve B. Howell, Jonathan Irwin, Shubham Kanodia, David Kasper, Takanori Kodama, Veselin Kostov, David W. Latham, Monika Lendl, Andrea Lin, John H. Livingston, Jack Lubin, Suvrath Mahadevan, Rachel Matson, Elisabeth Matthews, Felipe Murgas, Norio Narita, Patrick Newman, Joe Ninan, Ares Osborn, Samuel N. Quinn, Paul Robertson, Arpita Roy, Joshua Schlieder, Christian Schwab, Andreas Seifahrt, Gareth D. Smith, Ahmad Sohani, Gudmundur Stefansson, Daniel Stevens, Julian Sturmer, Angelle Tanner, Ryan Terrien, Johanna Teske, David Vermilion, Sharon X. Wang, Justin Wittrock, Jason T. Wright, Mathias Zechmeister, Farzaneh Zohrabi

ASTRONOMICAL JOURNAL   163 ( 6 )   2022年6月

A Super-Earth Orbiting Near the Inner Edge of the Habitable Zone around the M4.5-dwarf Ross 508 査読

Hiroki Harakawa, Takuya Takarada, Yui Kasagi, Teruyuki Hirano, Takayuki Kotani, Masayuki Kuzuhara, Masashi Omiya, Hajime Kawahara, Akihiko Fukui, Yasunori Hori, Hiroyuki Tako Ishikawa, Masahiro Ogihara, John Livingston, Timothy D. Brandt, Thayne Currie, Wako Aoki, Charles A. Beichman, Thomas Henning, Klaus Hodapp, Masato Ishizuka, Hideyuki Izumiura, Shane Jacobson, Markus Janson, Eiji Kambe, Takanori Kodama, Eiichiro Kokubo, Mihoko Konishi, Vigneshwaran Krishnamurthy, Tomoyuki Kudo, Takashi Kurokawa, Nobuhiko Kusakabe, Jungmi Kwon, Yuji Matsumoto, Michael W. McElwain, Koyu Mitsui, Takao Nakagawa, Norio Narita, Jun Nishikawa, Stevanus K. Nugroho, Eugene Serabyn, Takuma Serizawa, Aoi Takahashi, Akitoshi Ueda, Taichi Uyama, Sébastien Vievard, Ji Wang, John Wisniewski, Motohide Tamura, Bun'ei Sato

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   74 ( 4 )   904 - 922   2022年5月

TOI-2285b: A 1.7 Earth-radius planet near the habitable zone around a nearby M dwarf 査読

Akihiko Fukui, Tadahiro Kimura, Teruyuki Hirano, Norio Narita, Takanori Kodama, Yasunori Hori, Masahiro Ikoma, Enric Pallé, Felipe Murgas, Hannu Parviainen, Kiyoe Kawauchi, Mayuko Mori, Emma Esparza-Borges, Allyson Bieryla, Jonathan Irwin, Boris S Safonov, Keivan G Stassun, Leticia Alvarez-Hernandez, Víctor J S Béjar, Núria Casasayas-Barris, Guo Chen, Nicolas Crouzet, Jerome P de Leon, Keisuke Isogai, Taiki Kagetani, Peter Klagyivik, Judith Korth, Seiya Kurita, Nobuhiko Kusakabe, John Livingston, Rafael Luque, Alberto Madrigal-Aguado, Giuseppe Morello, Taku Nishiumi, Jaume Orell-Miquel, Mahmoudreza Oshagh, Manuel Sánchez-Benavente, Monika Stangret, Yuka Terada, Noriharu Watanabe, Yujie Zou, Motohide Tamura, Takashi Kurokawa, Masayuki Kuzuhara, Jun Nishikawa, Masashi Omiya, Sébastien Vievard, Akitoshi Ueda, David W Latham, Samuel N Quinn, Ivan S Strakhov, Alexandr A Belinski, Jon M Jenkins, George R Ricker, Sara Seager, Roland Vanderspek, Joshua N Winn, David Charbonneau, David R Ciardi, Karen A Collins, John P Doty, Etienne Bachelet, Daniel Harbeck

Publications of the Astronomical Society of Japan   74 ( 1 )   L1 - L8   2021年12月

TOI-2109: An Ultrahot Gas Giant on a 16 hr Orbit 査読

Ian Wong, Avi Shporer, George Zhou, Daniel Kitzmann, Thaddeus D. Komacek, Xianyu Tan, René Tronsgaard, Lars A. Buchhave, Shreyas Vissapragada, Michael Greklek-McKeon, Joseph E. Rodriguez, John P. Ahlers, Samuel N. Quinn, Elise Furlan, Steve B. Howell, Allyson Bieryla, Kevin Heng, Heather A. Knutson, Karen A. Collins, Kim K. McLeod, Perry Berlind, Peyton Brown, Michael L. Calkins, Jerome P. de Leon, Emma Esparza-Borges, Gilbert A. Esquerdo, Akihiko Fukui, Tianjun Gan, Eric Girardin, Crystal L. Gnilka, Masahiro Ikoma, Eric L. N. Jensen, John Kielkopf, Takanori Kodama, Seiya Kurita, Kathryn V. Lester, Pablo Lewin, Giuseppe Marino, Felipe Murgas, Norio Narita, Enric Pallé, Richard P. Schwarz, Keivan G. Stassun, Motohide Tamura, Noriharu Watanabe, Björn Benneke, George R. Ricker, David W. Latham, Roland Vanderspek, Sara Seager, Joshua N. Winn, Jon M. Jenkins, Douglas A. Caldwell, William Fong, Chelsea X. Huang, Ismael Mireles, Joshua E. Schlieder, Bernie Shiao, Jesus Noel Villaseñor

The Astronomical Journal   162 ( 6 )   256 - 256   2021年12月

TOI-1749: an M dwarf with a Trio of Planets including a Near-resonant Pair 査読

A. Fukui, J. Korth, J. H. Livingston, J. D. Twicken, M. R. Zapatero Osorio, J. M. Jenkins, M. Mori, F. Murgas, M. Ogihara, N. Narita, E. Pallé, K. G. Stassun, G. Nowak, D. R. Ciardi, L. Alvarez-Hernandez, V. J. S. Béjar, N. Casasayas-Barris, N. Crouzet, J. P. de Leon, E. Esparza-Borges, D. Hidalgo Soto, K. Isogai, K. Kawauchi, P. Klagyivik, T. Kodama, S. Kurita, N. Kusakabe, R. Luque, A. Madrigal-Aguado, P. Montanes Rodriguez, G. Morello, T. Nishiumi, J. Orell-Miquel, M. Oshagh, H. Parviainen, M. Sánchez-Benavente, M. Stangret, Y. Terada, N. Watanabe, G. Chen, M. Tamura, P. Bosch-Cabot, M. Bowen, K. Eastridge, L. Freour, E. Gonzales, P. Guerra, Y. Jundiyeh, T. K. Kim, L. V. Kroer, A. M. Levine, E. H. Morgan, M. Reefe, R. Tronsgaard, C. K. Wedderkopp, J. Wittrock, K. A. Collins, K. Hesse, D. W. Latham, G. R. Ricker, S. Seager, R. Vanderspek, J. Winn, E. Bachelet, M. Bowman, C. McCully, M. Daily, D. Harbeck, N. H. Volgenau

The Astronomical Journal   162 ( 4 )   167 - 167   2021年10月

Obliquity of an Earth-like Planet from Frequency Modulation of Its Direct-imaged Lightcurve: Mock Analysis from General Circulation Model Simulation 査読

Yuta Nakagawa, Takanori Kodama, Masaki Ishiwatari, Hajime Kawahara, Yasushi Suto, Yoshiyuki O. Takahashi, George L. Hashimoto, Kiyoshi Kuramoto, Kensuke Nakajima, Shin-ichi Takehiro, Yoshi-Yuki Hayashi

The Astrophysical Journal   898 ( 2 )   2020年7月

Runaway climate cooling of ocean planets in the habitable zone: a consequence of seafloor weathering enhanced by melting of high-pressure ice 査読

A Nakayama, T Kodama, M Ikoma, Y Abe

Monthly Notices of the Royal Astronomical Society   488 ( 2 )   1580 - 1596   2019年9月

Development of high-efficiency reflective grating by holographic processing for UV exoplanet science

Keigo Enya, Shingo Kameda, Go Murakami, Masahiro Ikoma, Norio Narita, Takanori Kodama, Hiroyuki Sasai, Yoshitaka Makino, Naotaka Murata

ASTRONOMICAL OPTICS: DESIGN, MANUFACTURE, AND TEST OF SPACE AND GROUND SYSTEMS II   11116   2019年

Re-evaluation of the inner edge of habitable zone 査読

Kodama, T., Genda, H., Abe, Y., Zahnle, K.

Proceedings of the International Astronomical Union   8 ( S293 )   2012年

MuSCATシリーズとすばる望遠鏡IRDインテンシブ観測によるTESSトランジット惑星候補のフォローアップ観測 III

成田憲保, 福井暁彦, 小玉貴則, 川内紀代恵, 幾田佳, 渡辺紀治, 木村真博, 森万由子, 蔭谷泰希, 鄒宇傑, 河合優悟, 福田生鵬, 平野照幸, 平野照幸, 堀安範, 堀安範, 小谷隆行, 小谷隆行, 生駒大洋, 田村元秀, 田村元秀

日本天文学会年会講演予稿集   2023   2023年

中M矮星TOI-654周辺の遷移する海王星と外部巨大惑星候補の特性評価【JST機械翻訳】

IKUTA Kai, NARITA Norio, NARITA Norio, TAKARADA Takuya, TAKARADA Takuya, HIRANO Teruyuki, HIRANO Teruyuki, FUKUI Akihiko, KODAMA Takanori, KIMURA Tadahiro, HORI Yasunori, HORI Yasunori, IKOMA Masahiro, IKOMA Masahiro, KOTANI Takayuki, KOTANI Takayuki, TAMURA Motohide, TAMURA Motohide

日本地球惑星科学連合大会予稿集(Web)   2023   2023年

すばる望遠鏡IRDによるTOI-654の視線速度の複数惑星モデリング

幾田佳, 成田憲保, 福井暁彦, 小玉貴則, 木村真博, 平野照幸, 堀安範, 小谷隆行, 生駒大洋, 田村元秀, 田村元秀

日本天文学会年会講演予稿集   2022   2022年

陸惑星におけるハビタブルゾーン

小玉貴則, 玄田英典, 大石龍太, 阿部彩子

日本地球惑星科学連合大会予稿集(Web)   2019   2019年

Development of the UVSPEX for the WSO-UV to detect exoplanetary exospheric hydrogen and oxygen

Shingo Kameda, Takanori Kodama, Go Murakami, Norio Narita, Masahiro Ikoma, Naoki Terada, Keigo Enya, Alexander Tavrov, Oleg Korablev

EGU General Assembly Conference Abstracts   2018年

Ultraviolet Spectrograph for Exoplanets (UVSPEX) Onboard World Space Observatory Ultraviolet (WSO-UV)

S Kameda, A Tavrov, N Osada, G Murakami, K Enya, T Kodama, N Narita, M Ikoma, O Korablev, M Sachkov

The Ninth Moscow Solar System Symposium 9M-S3   2018年

地球型惑星における暴走温室効果発生の表面水分布依存性

小玉貴則, 玄田英典, 大石龍太, 阿部彩子, 阿部豊

日本地球惑星科学連合大会予稿集(Web)   2018   2018年

系外惑星「遠い世界の物語」その10 ~ハビタブル惑星の現状とこれから~

小玉貴則, 門屋辰太郎

日本惑星科学会誌 遊星人   27   83 - 91   2018年

Development of ultraviolet spectroscope for transit observation of exoplanetary exosphere

Go Murakami, Shingo Kameda, Keigo Enya, Masahiro Ikoma, Norio Narita, Ichiro Yoshikawa, Takanori Kodama, Naoki Terada

第 50 回月・惑星シンポジウム Proceedings of the 50th ISAS Lunar and Planetary Symposium   2017年

O1-02 水の散逸を伴う地球型惑星の進化(口頭発表セッション1(地球型惑星I),口頭発表)

小玉 貴則, 玄田 英典, 阿部 豊, Zahnle Kevin

日本惑星科学会秋期講演会予稿集   2013   "O1 - 02"   2013年11月

O10-03 水の散逸を考慮した地球型惑星の進化(口頭発表セッション10(惑星形成論III,系外惑星),口頭発表)

小玉 貴則, 玄田 英典, 阿部 豊, Zahnle Kevin

日本惑星科学会秋期講演会予稿集   2012   88 - 88   2012年10月

Evolution from ocean planet to land planet by water loss: The inner edge of habitable zone 査読

Takanori Kodama, H. Genda, Y. Abe, K. J. Zahnle

42nd Lunar and Planetary Science Conference, LPI Contribution,   1608   2011年

系外惑星・生命探査 招待

小玉貴則

光赤外天連シンポジウム：2030年代の戦略的中型をどうするのか  2022年 

Climates for terrestrial exoplanets with 3D GCM 招待

Takanori Kodama

NAOJ colloquium  2022年 

Climate of high obliquity exo-terrestrial planets with 3D cloud resolving model

T. Kodama, D. Takasuka, S. Sheriff-Tadano, T. Kuroda, T. Miyakawa, A. Abe-Ouchi

JpGU  2022年 

Climate of high obliquity terrestrial planets with 3D cloud resolving model

T. Kodama, D. Takasuka, S. Sheriff-Tadano, T. Kuroda, T. Miyakawa, A. Abe-Ouchi, M. Satoh

Forming and Exploring Habitable Worlds Meeting  2022年 

ハビタブル惑星はどこまで理解されてきたか？ 招待

小玉貴則

CPS/ABCワークショップ  2021年 

Climates for dry planets 招待

Takanori Kodama

UCL seminar  2021年 

M 型矮星周りの地球型惑星のハビタビリティ 招待

小玉貴則

近赤外高分散分光で狙う低質量星周りのハビ タブルな地球型惑星  2015年 

Dependence of the runaway greenhouse threshold on the surface distribution for Earth-like planets

T. Kodama, A. Nitta, H. Genda, Y. Takao, R. O'ishi, A. Abe-Ouchi, Y. Abe

AGU fall meeting  2017年 

From aqua planet to land planet: Implication for the inner edge of habitable zone 招待

Takanori Kodama

Planet2 Symposium  2017年 

惑星表層水分布を考慮したハビタブルゾーン内 側境界 招待

小玉 貴則, 玄田 英典, 大石 龍太, 阿部 彩子, 阿部 豊

日本地球惑星科学連合 2018 年大  2018年 

水分布の空間的な不均一を考慮したハビタブル惑星気候 招待

小玉貴則

日本地球惑星科学連合 2018年大会  2018年 

How do we understand habitable climates on exoplanets? 招待

Takanori Kodama

JpGU  2021年 

Climates for Terrestrial planets with different amount of water and their habitability 招待

Takanori Kodama

Workshop on Climates of Terrestrial Planets in Various Solar System  2020年 

The threshold of the runaway greenhouse effect for Earth-like planets

T.i Kodama, H. Genda, R. O’ishi, A. Abe-Ouchi, Y. Abe

9MS3  2018年 

地球型惑星における暴走温室効果発生の表面水 分布依存性 招待

小玉 貴則, 玄田 英典, 大石 龍太, 阿部 彩子, 阿部 豊

日本地球惑星科学連合 2018 年大会  2018年 

The inner edge of habitable zone for terrestrial exoplanet 招待

Takanori Kodama

JpGU-AGU Joint Meeting  2020年 

Inner edge of the habitable zone for dry terrestrial planets 国際共著 国際会議

T. Kodama, H. Genda, R. O'ishi, A. Abe-Ouchi, Y. Abe, Jérémy

EPSC-DPS Joint Meeting  2019年 

最先端の階層的気候モデリングに基づく全球凍結イベントの推移条件解明への挑戦

研究課題/領域番号：23K17709  2023年6月 - 2025年3月

日本学術振興会  科学研究費助成事業  挑戦的研究(萌芽)

藤井 昌和

全球気候モデルと全球氷床モデルの連携による系外惑星における水・物質循環の解明

研究課題/領域番号：23G019  2023年4月 - 2024年3月

北海道大学 低温科学研究所  一般共同研究  一般共同研究

鎌田有紘, 黒田剛史, 古林未来, 小玉貴則, Ralf Greve

ハビタブルゾーン内側境界の検証に向けた初期金星と潮汐固定惑星の気候決定要素の検討

研究課題/領域番号：AB0509  2023年4月 - 2024年3月

自然科学研究機構  アストロバイオロジーセンター公募研究(プロジェクト研究) 

黒田 剛史, 鎌田 有紘, 小玉 貴則

次世代大気大循環モデルで解き明かす、系外惑星大気の大気循環と雲の影響

研究課題/領域番号：21K13975  2021年4月 - 2024年3月

日本学術振興会  科学研究費助成事業  若手研究

小玉 貴則

雲解像モデルが解き明かす、系 外地球型惑星における⼤気循環とハビタブル表層環境への雲の役割

2021年4月 - 2022年3月

アストロバイオロジーセンター  プロジェクト研究