Zobrazeno 1 - 10
of 125
pro vyhledávání: '"Yasunori HORI"'
Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy
Autor:
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-Rodríguez, 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
Publikováno v:
The Astrophysical Journal Letters, Vol 967, Iss 2, p L21 (2024)
Recent discoveries of Earth-sized planets transiting nearby M dwarfs have made it possible to characterize the atmospheres of terrestrial planets via follow-up spectroscopic observations. However, the number of such planets receiving low insolation i
Externí odkaz:
https://doaj.org/article/135ed81aa2bf4c638b0d61cbb2f6cc8b
Autor:
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
Publikováno v:
The Astronomical Journal, Vol 167, Iss 6, p 289 (2024)
Sub-Neptunes with radii of 2–3 R _⊕ are intermediate in size between rocky planets and Neptune-sized planets. The orbital properties and bulk compositions of transiting sub-Neptunes provide clues to the formation and evolution of close-in small p
Externí odkaz:
https://doaj.org/article/e90e706d0f7942389d0887e8f3b38aa6
Publikováno v:
The Astrophysical Journal, Vol 957, Iss 2, p 67 (2023)
The atmosphere of a terrestrial planet that is replenished with secondary gases should have accumulated hydrogen-rich gas from its protoplanetary disk. Although a giant impact blows off a large fraction of the primordial atmosphere of a terrestrial p
Externí odkaz:
https://doaj.org/article/878d2bb8ac964701a157267ae635a067
Autor:
Yu Komatsu, Yasunori Hori, Masayuki Kuzuhara, Makiko Kosugi, Kenji Takizawa, Norio Narita, Masashi Omiya, Eunchul Kim, Nobuhiko Kusakabe, Victoria Meadows, Motohide Tamura
Publikováno v:
The Astrophysical Journal, Vol 942, Iss 2, p 57 (2023)
Remote sensing of the Earth has demonstrated that photosynthesis is traceable as the vegetation red edge (VRE), which is a steep rise in the reflection spectrum of vegetation, and as solar-induced fluorescence. This study examines the detectability o
Externí odkaz:
https://doaj.org/article/63ec19fdab9e4b9a8fb9ed3890ddc587
Autor:
Taichi Uyama, Charles Beichman, Masayuki Kuzuhara, Markus Janson, Takayuki Kotani, Dimitri Mawet, Bun’ei Sato, Motohide Tamura, Hiroyuki Tako Ishikawa, Bryson Cale, Thayne Currie, Hiroki Harakawa, Thomas Henning, Teruyuki Hirano, Klaus Hodapp, Yasunori Hori, Masato Ishizuka, Shane Jacobson, Yui Kasagi, Eiichiro Kokubo, Mihoko Konishi, Tomoyuki Kudo, Takashi Kurokawa, Nobuhiko Kusakabe, Jungmi Kwon, Masahiro Machida, Takao Nakagawa, Norio Narita, Jun Nishikawa, Masahiro Ogihara, Masashi Omiya, Takuma Serizawa, Akitoshi Ueda, Sébastien Vievard, Ji Wang
Publikováno v:
The Astronomical Journal, Vol 165, Iss 4, p 162 (2023)
The Subaru telescope is currently performing a strategic program (SSP) using the high-precision near-infrared (NIR) spectrometer IRD to search for exoplanets around nearby mid/late M dwarfs via radial velocity (RV) monitoring. As part of the observin
Externí odkaz:
https://doaj.org/article/32ffc418a6984a488af09dcb9d6d6a68
Autor:
Teruyuki Hirano, Fei Dai, John H. Livingston, Sascha Grziwa, Kristine W. F. Lam, Yui Kasagi, Norio Narita, Hiroyuki Tako Ishikawa, Kohei Miyakawa, Luisa M. Serrano, Yuji Matsumoto, Eiichiro Kokubo, Tadahiro Kimura, Masahiro Ikoma, Joshua N. Winn, John P. Wisniewski, Hiroki Harakawa, Huan-Yu Teng, William D. Cochran, Akihiko Fukui, Davide Gandolfi, Eike W. Guenther, Yasunori Hori, Kai Ikuta, Kiyoe Kawauchi, Emil Knudstrup, Judith Korth, Takayuki Kotani, Vigneshwaran Krishnamurthy, Tomoyuki Kudo, Takashi Kurokawa, Masayuki Kuzuhara, Rafael Luque, Mayuko Mori, Jun Nishikawa, Masashi Omiya, Jaume Orell-Miquel, Enric Palle, Carina M. Persson, Seth Redfield, Eugene Serabyn, Alexis M. S. Smith, Aoi Takahashi, Takuya Takarada, Akitoshi Ueda, Vincent Van Eylen, Sébastien Vievard, Motohide Tamura, Bun’ei Sato
Publikováno v:
The Astronomical Journal, Vol 165, Iss 3, p 131 (2023)
We report on the discovery of an Earth-sized transiting planet ( R _p = 1.015 ± 0.051 R _⊕ ) in a P = 4.02 day orbit around K2-415 (EPIC 211414619), an M5V star at 22 pc. The planet candidate was first identified by analyzing the light-curve data
Externí odkaz:
https://doaj.org/article/9f7cfa332b5240599861736e80a45a68
Publikováno v:
The Astronomical Journal, Vol 165, Iss 1, p 20 (2022)
Giant planets around young stars serve as a clue to unveiling their formation history and orbital evolution. CI Tau is a 2 Myr-old classical T Tauri star hosting an eccentric hot Jupiter, CI Tau b. The standard formation scenario of a hot Jupiter pre
Externí odkaz:
https://doaj.org/article/88d1484f39f74645962f1b4d1c8e8c4f
Autor:
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 P de Leon, John H Livingston, Jun Nishikawa, Masashi Omiya, Enric Palle, Hannu Parviainen, Takuma Serizawa, Huan-Yu Teng, Akitoshi Ueda, Motohide Tamura
Publikováno v:
Publications of the Astronomical Society of Japan.
We report on the determination of the mass of TOI-519 b, a transiting substellar object around a mid-M dwarf. We carried out radial velocity measurements using Subaru/InfraRed Doppler (IRD), revealing that TOI-519 b is a planet with a mass of $0.463^
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19ecbd17680280da63f89bb8e78aa6f7
https://doi.org/10.1093/pasj/psad031
https://doi.org/10.1093/pasj/psad031
Autor:
Yu Komatsu, Yasunori Hori, Masayuki Kuzuhara, Makiko Kosugi, Kenji Takizawa, Norio Narita, Masashi Omiya, Eunchul Kim, Nobuhiko Kusakabe, Victoria Meadows, Motohide Tamura
Remote sensing of the Earth has demonstrated that photosynthesis is traceable as the vegetation red edge (VRE), which is a steep rise in the reflection spectrum of vegetation, and as solar-induced fluorescence. This study examines the detectability o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57294bf2b30ab2f8d4158363137723ef
http://arxiv.org/abs/2301.03824
http://arxiv.org/abs/2301.03824
Autor:
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
We present the discovery and validation of a temperate sub-Neptune around the nearby mid-M dwarf TIC 470381900 (TOI-1696), with a radius of $3.09 \pm 0.11 \,R_\oplus$ and an orbital period of $2.5 \,\rm{days}$, using a combination of TESS and follow-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::529d9d293235f79b6c013f0a3ea43390
http://arxiv.org/abs/2203.02694
http://arxiv.org/abs/2203.02694