Search Results - "SATO, BUN'EI"

Direct-imaging Discovery and Dynamical Mass of a Substellar Companion Orbiting an Accelerating Hyades Sun-like Star with SCExAO/CHARIS by Currie, Thayne, Brandt, Timothy D., Uyama, Taichi, Chilcote, Jeffrey, Lawson, Kellen, Hori, Yasunori, Guyon, Olivier, Groff, Tyler D, McElwain, Michael W, Groff, Tyler D., Lozi, Julien, Jovanovic, Nemanja, Martinache, Frantz, Skaf, Nour, Akiyama, Eiji, Norris, Barnaby R, Kudo, Tomoyuki, McElwain, Michael W, Wagner, Kevin R, Kwon, Jungmi, Serabyn, Eugene, Tamura, Motohide

“…We present the direct-imaging discovery of a substellar companion in orbit around a Sun-like star member of the Hyades open cluster. So far, no other…”
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Precision radial velocity measurements by the forward-modeling technique in the near-infrared by Hirano, Teruyuki, Kuzuhara, Masayuki, Kotani, Takayuki, Omiya, Masashi, Kudo, Tomoyuki, Harakawa, Hiroki, Vievard, Sébastien, Kurokawa, Takashi, Nishikawa, Jun, Tamura, Motohide, Hodapp, Klaus, Ishizuka, Masato, Jacobson, Shane, Konishi, Mihoko, Serizawa, Takuma, Ueda, Akitoshi, Gaidos, Eric, Sato, Bun’ei

“…Abstract Precision radial velocity (RV) measurements in the near-infrared are a powerful tool to detect and characterize exoplanets around low-mass stars or…”
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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 by Ishikawa, 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

“…Abstract Detailed chemical analyses of M dwarfs are scarce but necessary to constrain the formation environment and internal structure of planets being found…”
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Nodal precession of WASP-33b for 11 yr by Doppler tomographic and transit photometric observations by Watanabe, Noriharu, Narita, Norio, Palle, Enric, Fukui, Akihiko, Kusakabe, Nobuhiko, Parviainen, Hannu, Murgas, Felipe, Casasayas-Barris, Núria, Johnson, Marshall C, Sato, Bun’ei, Livingston, John H, de Leon, Jerome P, Mori, Mayuko, Nishiumi, Taku, Terada, Yuka, Esparza-Borges, Emma, Kawauchi, Kiyoe

“…ABSTRACT WASP-33b, a hot Jupiter around a hot star, is a rare system in which nodal precession has been discovered. We updated the model for the nodal…”
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Regular radial velocity variations in nine G- and K-type giant stars: Eight planets and one planet candidate by Teng, Huan-Yu, Sato, Bun’ei, Takarada, Takuya, Omiya, Masashi, Harakawa, Hiroki, Izumiura, Hideyuki, Kambe, Eiji, Takeda, Yoichi, Yoshida, Michitoshi, Itoh, Yoichi, Ando, Hiroyasu, Kokubo, Eiichiro

“…Abstract We report the detection of radial velocity (RV) variations in nine evolved G- and K-type giant stars. The observations were conducted at Okayama…”
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Two Long-period Giant Planets around Two Giant Stars: HD 112570 and HD 154391 by Xiao, Guang-Yao, Teng, Huan-Yu, Zhou, Jianzhao, Sato, Bun’ei, Liu, Yu-Juan, Bi, Shaolan, Takarada, Takuya, Kuzuhara, Masayuki, Hon, Marc, Wang, Liang, Omiya, Masashi, Harakawa, Hiroki, Zhao, Fei, Zhao, Gang, Kambe, Eiji, Izumiura, Hideyuki, Ando, Hiroyasu, Noguchi, Kunio, Wang, Wei, Zhai, Meng, Song, Nan, Yang, Chengqun, Li, Tanda, Brandt, Timothy D., Yoshida, Michitoshi, Itoh, Yoichi, Kokubo, Eiichiro

“…Abstract We present the discoveries of two giant plants orbiting the red-giant-branch star HD 112570 and the red-clump star HD 154391, based on the…”
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Direct Imaging Explorations for Companions around Mid–Late M Stars from the Subaru/IRD Strategic Program by Uyama, 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, Sébastien, Wang, Ji

“…Abstract The Subaru telescope is currently performing a strategic program (SSP) using the high-precision near-infrared (NIR) spectrometer IRD to search for…”
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THE K2-ESPRINT PROJECT IV. A HOT JUPITER IN A PROGRADE ORBIT WITH A POSSIBLE STELLAR COMPANION by Hirano, Teruyuki, Nowak, Grzegorz, Kuzuhara, Masayuki, Palle, Enric, Dai, Fei, Yu, Liang, Van Eylen, Vincent, Takeda, Yoichi, Brandt, Timothy D., Narita, Norio, Velasco, Sergio, Arranz, Jorge Prieto, Sanchis-Ojeda, Roberto, Winn, Joshua N., Kudo, Tomoyuki, Kusakabe, Nobuhiko, Fukui, Akihiko, Sato, Bun'ei, Albrecht, Simon, Ribas, Ignasi, Ryu, Tsuguru, Tamura, Motohide

“…ABSTRACT We report on the detection and early characterization of a hot Jupiter in a three day orbit around K2-34 (EPIC 212110888), a metal-rich F-type star…”
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Spectroscopic Study on the Atmospheric Parameters of Nearby F–K Dwarfs and Subgiants by Takeda, Yoichi, Ohkubo, Michiko, Sato, Bun’ei, Kambe, Eiji, Sadakane, Kozo

“…Based on a collection of high-dispersion spectra obtained at Okayama Astrophysical Observatory, the atmospheric parameters ( $T_{\mathrm{eff}}, \log g,…”
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A PAIR OF GIANT PLANETS AROUND THE EVOLVED INTERMEDIATE-MASS STAR HD 47366: MULTIPLE CIRCULAR ORBITS OR A MUTUALLY RETROGRADE CONFIGURATION by Sato, Bun'ei, Wang, Liang, Liu, Yu-Juan, Zhao, Gang, Omiya, Masashi, Harakawa, Hiroki, Nagasawa, Makiko, Wittenmyer, Robert A., Butler, Paul, Song, Nan, He, Wei, Zhao, Fei, Kambe, Eiji, Noguchi, Kunio, Ando, Hiroyasu, Izumiura, Hideyuki, Okada, Norio, Yoshida, Michitoshi, Takeda, Yoichi, Itoh, Yoichi, Kokubo, Eiichiro, Ida, Shigeru

“…ABSTRACT We report the detection of a double planetary system around the evolved intermediate-mass star HD 47366 from precise radial-velocity measurements at…”
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A DOUBLE PLANETARY SYSTEM AROUND THE EVOLVED INTERMEDIATE-MASS STAR HD 4732 by SATO, BUN'EI, Omiya, Masashi, Wittenmyer, Robert A, Harakawa, Hiroki, Nagasawa, Makiko, IZUMIURA, HIDEYUKI, Kambe, Eiji, Takeda, Yoichi, Yoshida, Michitoshi, Itoh, Yoichi, Ando, Hiroyasu, Kokubo, Eiichiro, Ida, Shigeru

“…We report the detection of a double planetary system orbiting around the evolved intermediate-mass star HD 4732 from precise Doppler measurements at Okayama…”
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A Super-Earth Orbiting Near the Inner Edge of the Habitable Zone Around the M4.5 Dwarf Ross 508 by Harakawa, Hiroki, Hirano, Teruyuki, Kotani, Takayuki, Kawahara, Hajime, Fukui, Akihiko, Hori, Yasunori, Ogihara, Masahiro, Brandt, Timothy D, Currie, Thayne, Aoki, Wako, Beichman, Charles A, Henning, Thomas, Hodapp, Klaus, Ishizuka, Masato, Izumiura, Hideyuki, Janson, Markus, Kambe, Eiji, Kodama, Takanori, Kokubo, Eiichiro, Kokubo, Eiichiro, Konishi, Mihoko, Krishnamurthy, Vigneshwaran, Kudo, Tomoyuki, Kurokawa, Takashi, Kurokawa, Takashi, Kwon, Jungmi, McElwain, Michael W, Serabyn, Eugene

“…We report the near-infrared radial velocity (RV) discovery of a super-Earth planet on a 10.77 d orbit around the M4.5 dwarf Ross 508 (Jmag = 9.1). Using…”
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An Earth-sized Planet around an M5 Dwarf Star at 22 pc by Hirano, 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, Sébastien, Tamura, Motohide, Sato, Bun’ei

“…Abstract 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…”
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Substellar Companions to Evolved Intermediate-Mass Stars: HD 145457 and HD 180314 by Sato, Bun’ei, Omiya, Masashi, Liu, Yujuan, Harakawa, Hiroki, Izumiura, Hideyuki, Kambe, Eiji, Toyota, Eri, Murata, Daisuke, Lee, Byeong-Cheol, Masuda, Seiji, Takeda, Yoichi, Yoshida, Michitoshi, Itoh, Yoichi, Ando, Hiroyasu, Kokubo, Eiichiro, Ida, Shigeru, Zhao, Gang, Han, Inwoo

“…We report on the detection of two substellar companions orbiting around evolved intermediate-mass stars by precise Doppler measurements at Subaru Telescope and…”
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High Dispersion Spectrograph (HDS) for the Subaru Telescope by Noguchi, Kunio, Aoki, Wako, Kawanomoto, Satoshi, Ando, Hiroyasu, Honda, Satoshi, Izumiura, Hideyuki, Kambe, Eiji, Okita, Kiichi, Sadakane, Kozo, Sato, Bun’ei, Tajitsu, Akito, Takada-Hidai, Masahide, Tanaka, Wataru, Watanabe, Etsuji, Yoshida, Michitoshi

“…We present the design and performance of the High Dispersion Spectrograph (HDS) of the Subaru Telescope. HDS is an echelle spectrograph located at the Nasmyth…”
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Five Intermediate-Period Planets from the N2K Sample by Fischer, Debra A, Vogt, Steven S, Marcy, Geoffrey W, Butler, R. Paul, Sato, Bun’ei, Henry, Gregory W, Robinson, Sarah, Laughlin, Gregory, Ida, Shigeru, Toyota, Eri, Omiya, Masashi, Driscoll, Peter, Takeda, Genya, Wright, Jason T, Johnson, John A

“…We report the detection of five Jovian-mass planets orbiting high-metallicity stars. Four of these stars were first observed as part of the N2K program, and…”
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A Possible Tilted Orbit of the Super-Neptune HAT-P-11b by Hirano, Teruyuki, Narita, Norio, Shporer, Avi, Sato, Bun'ei, Aoki, Wako, Tamura, Motohide

“…We report on the detection of the Rossiter–McLaughlin effect for the eccentric, super-Neptune exoplanet HAT-P-11b, based on radial-velocity measurements taken…”
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A planetary companion to the hyades giant ε tauri by SATO, Bun'Ei, IZUMIURA, Hideyuki, YOSHIDA, Michitoshi, IKOMA, Masahiro, KOKUBO, Eiichiro, IDA, Shigeru, TOYOTA, Eri, KAMBE, Eiji, TAKEDA, Yoichi, MASUDA, Seiji, OMIYA, Masashi, MURATA, Daisuke, ITCH, Yoichi, ANDO, Hiroyasu

“…We report the detection of an extrasolar planet orbiting epsilon Tau, one of the giant stars in the Hyades open cluster. This is the first planet ever…”
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Three-dimensional Atmospheric Dynamics of Jupiter from Ground-based Doppler Imaging Spectroscopy in the Visible by Schmider, Francois-Xavier, Gaulme, Patrick, Morales-Juberías, Raúl, Jackiewicz, Jason, Gonçalves, Ivan, Guillot, Tristan, Simon, Amy A., Wong, Michael H., Underwood, Thomas, Voelz, David, Sanchez, Cristo, DeColibus, Riley, Kovac, Sarah A., Sellers, Sean, Gilliam, Doug, Boumier, Patrick, Appourchaux, Thierry, Dejonghe, Julien, Rivet, Jean Pierre, Markham, Steve, Howard, Saburo, Abe, Lyu, Mekarnia, Djamel, Ikoma, Masahiro, Hanayama, Hidekazu, Sato, Bun’ei, Kunitomo, Masanobu, Izumiura, Hideyuki

“…We present three-dimensional (3D) maps of Jupiter’s atmospheric circulation at cloud-top level from Doppler-imaging data obtained in the visible domain with…”
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Measurement of the Rossiter–McLaughlin Effect in the Transiting Exoplanetary System TrES-1 by Narita, Norio, Enya, Keigo, Sato, Bun’ei, Ohta, Yasuhiro, Winn, Joshua N., Suto, Yasushi, Taruya, Atsushi, Turner, Edwin L., Aoki, Wako, Tamura, Motohide, Yamada, Toru, Yoshii, Yuzuru

“…We report a measurement of the Rossiter–McLaughlin effect in the transiting extrasolar planetary system TrES-1, via simultaneous spectroscopic and photometric…”
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