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Takashi Kurokawa

astrobiology center, 2-21-1 osawa, mitaka, tokyo 181-8588, japan

36H-index
525Paper Count
5.2KCitation Count
Published Papers 44
Publication Date
Direct Imaging Explorations for Companions from the Subaru/IRD Strategic Program II; Discovery of a Brown-dwarf Companion around a Nearby Mid-M-dwarf LSPM J1446+4633
err2025-10-20
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errTaichi Uyama; Masayuki Kuzuhara; Charles Beichman; Teruyuki Hirano; Takayuki Kotani; Qier An; Timothy D. Brandt; Markus Janson; Dimitri Mawet; Mayuko Mori; Bun’ei Sato; Denitza Stoeva; Motohide Tamura; Masataka Aizawa; Bryson Cale; Thomas Henning; Hiroyuki Tako Ishikawa; Norio Narita; Masahiro Ogihara; Aniket Sanghi; Trifon Trifonov; Jerry Xuan; Eiji Akiyama; Hiroki Harakawa; Klaus Hodapp; Masato Ishizuka; Shane Jacobson; Eiichiro Kokubo; Mihoko Konishi; Tomoyuki Kudo; Takashi Kurokawa; Jungmi Kwon; Jun Nishikawa; Masashi Omiya; Takuma Serizawa; Huan-Yu Teng; Akitoshi Ueda; Sebastien Vievard
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The mass of TOI-654 b: A short-period sub-Neptune transiting a mid-M dwarf
err2025-09-01
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errIkuta, Kai; Narita, Norio; Takarada, Takuya; Hirano, Teruyuki; Fukui, Akihiko; Ishikawa, Hiroyuki Tako; Hori, Yasunori; Kimura, Tadahiro; Kodama, Takanori; Ikoma, Masahiro; de Leon, Jerome P.; Kawauchi, Kiyoe; Kuzuhara, Masayuki; Lacedelli, Gaia; Livingston, John H.; Mori, Mayuko; Murgas, Felipe; Palle, Enric; Parviainen, Hannu; Watanabe, Noriharu; Fukuda, Izuru; Harakawa, Hiroki; Hayashi, Yuya; Hodapp, Klaus; Isogai, Keisuke; Kagetani, Taiki; Kawai, Yugo; Krishnamurthy, Vigneshwaran; Kudo, Tomoyuki; Kurokawa, Takashi; Kusakabe, Nobuhiko; Nishikawa, Jun; Nugroho, Stevanus K.; Omiya, Masashi; Serizawa, Takuma; Takahashi, Aoi; Teng, Huan-Yu; Terada, Yuka; Ueda, Akitoshi; Vievard, Sebastien; Zou, Yujie; Kotani, Takayuki; Tamura, Motohide
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The Discovery and Follow-up of Four Transiting Short-period Sub-Neptunes Orbiting M Dwarfs
err2024-05-30
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errHori, Yasunori; Fukui, Akihiko; Hirano, Teruyuki; Narita, Norio; de Leon, Jerome P.; Ishikawa, Hiroyuki Tako; Hartman, Joel D.; Morello, Giuseppe; Garcia, Nestor Abreu; Hernandez, Leticia Alvarez; Bejar, Victor J. S.; Calatayud-Borras, Yessica; Carleo, Ilaria; Enoc, Gareb; Esparza-Borges, Emma; Fukuda, Izuru; Galan, Daniel; Geraldia-Gonzalez, Samuel; Hayashi, Yuya; Ikoma, Masahiro; Ikuta, Kai; Isogai, Keisuke; Kagetani, Taiki; Kawai, Yugo; Kawauchi, Kiyoe; Kimura, Tadahiro; Kodama, Takanori; Korth, Judith; Kusakabe, Nobuhiko; Laza-Ramos, Andres; Livingston, John H.; Luque, Rafael; Miyakawa, Kohei; Mori, Mayuko; Murgas, Felipe; Orell-Miquel, Jaume; Palle, Enric; Parviainen, Hannu; Pelaez-Torres, Alberto; Puig-Subira, Marta; Sanchez-Benavente, Manuel; Sosa-Guillen, Paula; Stangret, Monika; Terada, Yuka; Torres, Sara Munoz; Watanabe, Noriharu; Bakos, Gaspar A.; Barkaoui, Khalid; Beichman, Charles; Benkhaldoun, Zouhair; Boyle, Andrew W.; Ciardi, David R.; Clark, Catherine A.; Collins, Karen A.; Collins, Kevin I.; Conti, Dennis M.; Crossfield, Ian J. M.; Everett, Mark E.; Furlan, Elise; Ghachoui, Mourad; Gillon, Michael; Gonzales, Erica J.; Higuera, Jesus; Horne, Keith; Howell, Steve B.; Jehin, Emmanuel; Lester, Kathryn V.; Lund, Michael B.; Matson, Rachel; Matthews, Elisabeth C.; Pozuelos, Francisco J.; Safonov, Boris S.; Schlieder, Joshua E.; Schwarz, Richard P.; Sefako, Ramotholo; Srdoc, Gregor; Strakhov, Ivan A.; Timmermans, Mathilde; Waalkes, William C.; Ziegler, Carl; Charbonneau, David; Essack, Zahra; Guerrero, Natalia M.; Harakawa, Hiroki; Hedges, Christina; Ishizuka, Masato; Jenkins, Jon M.; Konishi, Mihoko; Kotani, Takayuki; Kudo, Tomoyuki; Kurokawa, Takashi; Kuzuhara, Masayuki; Nishikawa, Jun; Omiya, Masashi; Ricker, George R.; Seager, Sara; Serizawa, Takuma; Striegel, Stephanie; Tamura, Motohide; Ueda, Akitoshi; Vanderspek, Roland; Vievard, Sebastien; Winn, Joshua N.
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Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy
err2024-05-23
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errKuzuhara, Masayuki; Fukui, Akihiko; Livingston, John H.; Caballero, Jose A.; De Leon, Jerome P.; Hirano, Teruyuki; Kasagi, Yui; Murgas, Felipe; Narita, Norio; Omiya, Masashi; Orell-Miquel, Jaume; Palle, Enric; Changeat, Quentin; Esparza-Borges, Emma; Harakawa, Hiroki; Hellier, Coel; Hori, Yasunori; Ikuta, Kai; Ishikawa, Hiroyuki Tako; Kodama, Takanori; Kotani, Takayuki; Kudo, Tomoyuki; Morales, Juan C.; Mori, Mayuko; Nagel, Evangelos; Parviainen, Hannu; Perdelwitz, Volker; Reiners, Ansgar; Ribas, Ignasi; Sanz-Forcada, Jorge; Sato, Bun'ei; Schweitzer, Andreas; Tabernero, Hugo M.; Takarada, Takuya; Uyama, Taichi; Watanabe, Noriharu; Zechmeister, Mathias; Garcia, Nestor Abreu; Aoki, Wako; Beichman, Charles; Bejar, Victor J. S.; Brandt, Timothy D.; Calatayud-Borras, Yessica; Carleo, Ilaria; Charbonneau, David; Collins, Karen A.; Currie, Thayne; Doty, John P.; Dreizler, Stefan; Fernandez-Rodriguez, Gareb; Fukuda, Izuru; Galan, Daniel; Geraldia-Gonzalez, Samuel; Gonzalez-Rodriguez, Josafat; Hayashi, Yuya; Hedges, Christina; Henning, Thomas; Hodapp, Klaus; Ikoma, Masahiro; Isogai, Keisuke; Jacobson, Shane; Janson, Markus; Jenkins, Jon M.; Kagetani, Taiki; Kambe, Eiji; Kawai, Yugo; Kawauchi, Kiyoe; Kokubo, Eiichiro; Konishi, Mihoko; Korth, Judith; Krishnamurthy, Vigneshwaran; Kurokawa, Takashi; Kusakabe, Nobuhiko; Kwon, Jungmi; Laza-Ramos, Andres; Luque, Florence Libotte Rafael; Madrigal-Aguado, Alberto; Matsumoto, Yuji; Mawet, Dimitri; McElwain, Michael W.; Gallardo, Pedro Pablo Meni; Morello, Giuseppe; Torres, Sara Munoz; Nishikawa, Jun; Nugroho, Stevanus K.; Ogihara, Masahiro; Pelaez-Torres, Alberto; Rapetti, David; Sanchez-Benavente, Manuel; Schlecker, Martin; Seager, Sara; Serabyn, Eugene; Serizawa, Takuma; Stangret, Monika; Takahashi, Aoi; Teng, Huan-Yu; Tamura, Motohide; Terada, Yuka; Ueda, Akitoshi; Usuda, Tomonori; Vanderspek, Roland; Vievard, Sebastien; Watanabe, David; Winn, Joshua N.; Osorio, Maria Rosa Zapatero
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Transit spectroscopy of K2-33b with subaru/IRD: Spin-Orbit alignment and tentative atmospheric helium
err2024-04-18
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errHirano, Teruyuki; Gaidos, Eric; Harakawa, Hiroki; Hodapp, Klaus W.; Kotani, Takayuki; Kudo, Tomoyuki; Kurokawa, Takashi; Kuzuhara, Masayuki; Mann, Andrew W.; Nishikawa, Jun; Omiya, Masashi; Serizawa, Takuma; Tamura, Motohide; Thao, Pa Chia; Ueda, Akitoshi; Vievard, Sebastien
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A Spectroscopic Thermometer: Individual Vibrational Band Spectroscopy with the Example of OH in the Atmosphere of WASP-33b
err2023-07-04
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errWright, Sam O. M.; Nugroho, Stevanus K. K.; Brogi, Matteo; Gibson, Neale P. P.; de Mooij, Ernst J. W.; Waldmann, Ingo; Tennyson, Jonathan; Kawahara, Hajime; Kuzuhara, Masayuki; Hirano, Teruyuki; Kotani, Takayuki; Kawashima, Yui; Masuda, Kento; Birkby, Jayne L. L.; Watson, Chris a. A.; Tamura, Motohide; Zwintz, Konstanze; Harakawa, Hiroki; Kudo, Tomoyuki; Hodapp, Klaus; Jacobson, Shane; Konishi, Mihoko; Kurokawa, Takashi; Nishikawa, Jun; Omiya, Masashi; Serizawa, Takuma; Ueda, Akitoshi; Vievard, Sebastien; Yurchenko, Sergei N. N.
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Direct Imaging Explorations for Companions around Mid-Late M Stars from the Subaru/IRD Strategic Program
err2023-03-17
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errUyama, Taichi; Beichman, Charles; Kuzuhara, Masayuki; Janson, Markus; Kotani, Takayuki; Mawet, Dimitri; Sato, Bun'ei; Tamura, Motohide; Ishikawa, Hiroyuki Tako; Cale, Bryson; Currie, Thayne; Harakawa, Hiroki; Henning, Thomas; Hirano, Teruyuki; Hodapp, Klaus; Hori, Yasunori; Ishizuka, Masato; Jacobson, Shane; Kasagi, Yui; Kokubo, Eiichiro; Konishi, Mihoko; Kudo, Tomoyuki; Kurokawa, Takashi; Kusakabe, Nobuhiko; Kwon, Jungmi; Machida, Masahiro; Nakagawa, Takao; Narita, Norio; Nishikawa, Jun; Ogihara, Masahiro; Omiya, Masashi; Serizawa, Takuma; Ueda, Akitoshi; Vievard, Sebastien; Wang, Ji
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An Earth-sized Planet around an M5 Dwarf Star at 22 pc
err2023-02-27
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errHirano, Teruyuki; Dai, Fei; Livingston, John H.; Grziwa, Sascha; Lam, Kristine W. F.; Kasagi, Yui; Narita, Norio; Ishikawa, Hiroyuki Tako; Miyakawa, Kohei; Serrano, Luisa M.; Matsumoto, Yuji; Kokubo, Eiichiro; Kimura, Tadahiro; Ikoma, Masahiro; Winn, Joshua N.; Wisniewski, John P.; Harakawa, Hiroki; Teng, Huan-Yu; Cochran, William D.; Fukui, Akihiko; Gandolfi, Davide; Guenther, Eike W.; Hori, Yasunori; Ikuta, Kai; Kawauchi, Kiyoe; Knudstrup, Emil; Korth, Judith; Kotani, Takayuki; Krishnamurthy, Vigneshwaran; Kudo, Tomoyuki; Kurokawa, Takashi; Kuzuhara, Masayuki; Luque, Rafael; Mori, Mayuko; Nishikawa, Jun; Omiya, Masashi; Orell-Miquel, Jaume; Palle, Enric; Persson, Carina M.; Redfield, Seth; Serabyn, Eugene; Smith, Alexis M. S.; Takahashi, Aoi; Takarada, Takuya; Ueda, Akitoshi; Van Eylen, Vincent; Vievard, Sebastien; Tamura, Motohide; Sato, Bun'ei
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Absence of extended atmospheres in low-mass star radius-gap planets
err2023-02-06
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errKrishnamurthy, Vigneshwaran; Hirano, Teruyuki; Gaidos, Eric; Sato, Bunei; Kopparapu, Ravi; Barclay, Thomas; Garcia-Sage, Katherine; Harakawa, Hiroki; Hodapp, Klaus; Jacobson, Shane; Konishi, Mihoko; Kotani, Takayuki; Kudo, Tomoyuki; Kurokawa, Takashi; Kuzuhara, Masayuki; Lopez, Eric; Nishikawa, Jun; Omiya, Masashi; Schlieder, Joshua E.; Serizawa, Takuma; Tamura, Motohide; Ueda, Akitoshi; Vievard, Sebastien
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Planet(esimal)s around stars with TESS (PAST) III: A search for triplet He I in the atmospheres of two 200 Myr-old planets
err2022-11-12
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errGaidos, Eric; Hirano, Teruyuki; Lee, Rena A.; Harakawa, Hiroki; Hodapp, Klaus; Jacobson, Shane; Kotani, Takayuki; Kudo, Tomoyuki; Kurokawa, Takashi; Kuzuhara, Masayuki; Nishikawa, Jun; Omiya, Masashi; Serizawa, Takuma; Tamura, Motohide; Ueda, Akitoshi; Vievard, Sebastien
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TOI-1696: A Nearby M4 Dwarf with a 3R⊕ Planet in the Neptunian Desert
err2022-05-31
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errMori, Mayuko; Livingston, John H.; de Leon, Jerome; Narita, Norio; Hirano, Teruyuki; Fukui, Akihiko; Collins, Karen A.; Fujita, Naho; Hori, Yasunori; Ishikawa, Hiroyuki Tako; Kawauchi, Kiyoe; Stassun, Keivan G.; Watanabe, Noriharu; Giacalone, Steven; Gore, Rebecca; Schroeder, Ashley; Dressing, Courtney D.; Bieryla, Allyson; Jensen, Eric L. N.; Massey, Bob; Shporer, Avi; Kuzuhara, Masayuki; Charbonneau, David; Ciardi, David R.; Doty, John P.; Esparza-Borges, Emma; Harakawa, Hiroki; Hodapp, Klaus; Ikoma, Masahiro; Ikuta, Kai; Isogai, Keisuke; Jenkins, Jon M.; Kagetani, Taiki; Kimura, Tadahiro; Kodama, Takanori; Kotani, Takayuki; Krishnamurthy, Vigneshwaran; Kudo, Tomoyuki; Kurita, Seiya; Kurokawa, Takashi; Kusakabe, Nobuhiko; Latham, David W.; McLean, Brian; Murgas, Felipe; Nishikawa, Jun; Nishiumi, Taku; Omiya, Masashi; Osborn, Hugh P.; Palle, Enric; Parviainen, Hannu; Ricker, George R.; Seager, Sara; Serizawa, Takuma; Teng, Huan-Yu; Terada, Yuka; Twicken, Joseph D.; Ueda, Akitoshi; Vanderspek, Roland; Vievard, Sebastien; Winn, Joshua N.; Zou, Yujie; Tamura, Motohide
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Elemental Abundances of nearby M Dwarfs Based on High-resolution Near-infrared Spectra Obtained by the Subaru/IRD Survey: Proof of Concept
err2022-01-18
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errIshikawa, Hiroyuki Tako; Aoki, Wako; Hirano, Teruyuki; Kotani, Takayuki; Kuzuhara, Masayuki; Omiya, Masashi; Hori, Yasunori; Kokubo, Eiichiro; Kudo, Tomoyuki; Kurokawa, Takashi; Kusakabe, Nobuhiko; Narita, Norio; Nishikawa, Jun; Ogihara, Masahiro; Ueda, Akitoshi; Currie, Thayne; Henning, Thomas; Kasagi, Yui; Kolecki, Jared R.; Kwon, Jungmi; Machida, Masahiro N.; McElwain, Michael W.; Nakagawa, Takao; Vievard, Sebastien; Wang, Ji; Tamura, Motohide; Sato, Bun'ei
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Zodiacal exoplanets in time - XIII. Planet orbits and atmospheres in the V1298Tau system, a keystone in studies of early planetary evolution
err2021-10-28
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errGaidos, E.; Hirano, T.; Beichman, C.; Livingston, J.; Harakawa, H.; Hodapp, K. W.; Ishizuka, M.; Jacobson, S.; Konishi, M.; Kotani, T.; Kudo, T.; Kurokawa, T.; Kuzuhara, M.; Nishikawa, J.; Omiya, M.; Serizawa, T.; Tamura, M.; Ueda, A.; Vievard, S.
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Zodiacal exoplanets in time (ZEIT) XII: a directly imaged planetary-mass companion to a young Taurus M dwarf star
err2021-10-26
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errGaidos, E.; Hirano, T.; Kraus, A. L.; Kuzuhara, M.; Zhang, Z.; Lee, R. A.; Salama, M.; Berger, T. A.; Grunblatt, S. K.; Ansdell, M.; Liu, M. C.; Harakawa, H.; Hodapp, K. W.; Jacobson, S.; Konishi, M.; Kotani, T.; Kudo, T.; Kurokawa, T.; Nishikawa, J.; Omiya, M.; Serizawa, T.; Tamura, M.; Ueda, A.; Vievard, S.
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Two Bright M Dwarfs Hosting Ultra-Short-Period Super-Earths with Earth-like Compositions
err2021-09-23
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errHirano, Teruyuki; Livingston, John H.; Fukui, Akihiko; Narita, Norio; Harakawa, Hiroki; Ishikawa, Hiroyuki Tako; Miyakawa, Kohei; Kimura, Tadahiro; Nakayama, Akifumi; Fujita, Naho; Hori, Yasunori; Stassun, Keivan G.; Bieryla, Allyson; Cadieux, Charles; Ciardi, David R.; Collins, Karen A.; Ikoma, Masahiro; Vanderburg, Andrew; Barclay, Thomas; Brasseur, C. E.; de Leon, Jerome P.; Doty, John P.; Doyon, Rene; Esparza-Borges, Emma; Esquerdo, Gilbert A.; Furlan, Elise; Gaidos, Eric; Gonzales, Erica J.; Hodapp, Klaus; Howell, Steve B.; Isogai, Keisuke; Jacobson, Shane; Jenkins, Jon M.; Jensen, Eric L. N.; Kawauchi, Kiyoe; Kotani, Takayuki; Kudo, Tomoyuki; Kurita, Seiya; Kurokawa, Takashi; Kusakabe, Nobuhiko; Kuzuhara, Masayuki; Lafreniere, David; Latham, David W.; Massey, Bob; Mori, Mayuko; Murgas, Felipe; Nishikawa, Jun; Nishiumi, Taku; Omiya, Masashi; Paegert, Martin; Palle, Enric; Parviainen, Hannu; Quinn, Samuel N.; Ricker, George R.; Schwarz, Richard P.; Seager, Sara; Tamura, Motohide; Tenenbaum, Peter; Terada, Yuka; Vanderspek, Roland K.; Vievard, Sebastien; Watanabe, Noriharu; Winn, Joshua N.
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Nondetection of Helium in the Upper Atmospheres of TRAPPIST-1b, e, and f*
err2021-08-02
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errKrishnamurthy, Vigneshwaran; Hirano, Teruyuki; Stefansson, Gumundur; Ninan, Joe P.; Mahadevan, Suvrath; Gaidos, Eric; Kopparapu, Ravi; Sato, Bunei; Hori, Yasunori; Bender, Chad F.; Canas, Caleb, I; Diddams, Scott A.; Halverson, Samuel; Harakawa, Hiroki; Hawley, Suzanne; Hearty, Fred; Hebb, Leslie; Hodapp, Klaus; Jacobson, Shane; Kanodia, Shubham; Konishi, Mihoko; Kotani, Takayuki; Kowalski, Adam; Kudo, Tomoyuki; Kurokawa, Takashi; Kuzuhara, Masayuki; Lin, Andrea; Maney, Marissa; Metcalf, Andrew J.; Morris, Brett; Nishikawa, Jun; Omiya, Masashi; Robertson, Paul; Roy, Arpita; Schwab, Christian; Serizawa, Takuma; Tamura, Motohide; Ueda, Akitoshi; Vievard, Sebastien; Wisniewski, John
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First Detection of Hydroxyl Radical Emission from an Exoplanet Atmosphere: High-dispersion Characterization of WASP-33b Using Subaru/IRD
err2021-03-23
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errNugroho, Stevanus K.; Kawahara, Hajime; Gibson, Neale P.; de Mooij, Ernst J. W.; Hirano, Teruyuki; Kotani, Takayuki; Kawashima, Yui; Masuda, Kento; Brogi, Matteo; Birkby, Jayne L.; Watson, Chris A.; Tamura, Motohide; Zwintz, Konstanze; Harakawa, Hiroki; Kudo, Tomoyuki; Kuzuhara, Masayuki; Hodapp, Klaus; Ishizuka, Masato; Jacobson, Shane; Konishi, Mihoko; Kurokawa, Takashi; Nishikawa, Jun; Omiya, Masashi; Serizawa, Takuma; Ueda, Akitoshi; Vievard, Sebastien
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Zodiacal exoplanets in time - XI. The orbit and radiation environment of the young M dwarf-hosted planet K2-25b
err2020-08-14
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errGaidos, E.; Hirano, T.; Wilson, D. J.; France, K.; Rockcliffe, K.; Newton, E.; Feiden, G.; Krishnamurthy, V; Harakawa, H.; Hodapp, K. W.; Ishizuka, M.; Jacobson, S.; Konishi, M.; Kotani, T.; Kudo, T.; Kurokawa, T.; Kuzuhara, M.; Nishikawa, J.; Omiya, M.; Serizawa, T.; Tamura, M.; Ueda, A.; Vievard, S.
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Zodiacal exoplanets in time - X. The orbit and atmosphere of the young 'neptune desert'-dwelling planet K2-100b
err2020-04-08
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errGaidos, E.; Hirano, T.; Mann, A. W.; Owens, D. A.; Berger, T. A.; France, K.; Vanderburg, A.; Harakawa, H.; Hodapp, K. W.; Ishizuka, M.; Jacobson, S.; Konishi, M.; Kotani, T.; Kudo, T.; Kurokawa, T.; Kuzuhara, M.; Nishikawa, J.; Omiya, M.; Serizawa, T.; Tamura, M.; Ueda, A.
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Evidence for Spin-Orbit Alignment in the TRAPPIST-1 System
err2020-02-25
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errHirano, Teruyuki; Gaidos, Eric; Winn, Joshua N.; Dai, Fei; Fukui, Akihiko; Kuzuhara, Masayuki; Kotani, Takayuki; Tamura, Motohide; Hjorth, Maria; Albrecht, Simon; Huber, Daniel; Bolmont, Emeline; Harakawa, Hiroki; Hodapp, Klaus; Ishizuka, Masato; Jacobson, Shane; Konishi, Mihoko; Kudo, Tomoyuki; Kurokawa, Takashi; Nishikawa, Jun; Omiya, Masashi; Serizawa, Takuma; Ueda, Akitoshi; Weiss, Lauren M.
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