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Overview page. Subjects: Warfare and Defence.

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1 a covering over the hatchway leading below decks.

2 a raised frame with windows on the quarterdeck of a ship to allow light into the decks...

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A Common Proper Motion Stellar Companion to HAT-P-7

Norio Narita, Yasuhiro H. Takahashi, Masayuki Kuzuhara, Teruyuki Hirano, Takuya Suenaga, Ryo Kandori, Tomoyuki Kudo, Bun'ei Sato, Ryuji Suzuki, Shigeru Ida, Makiko Nagasawa, Lyu Abe, Wolfgang Brandner, Timothy D. Brandt, Joseph Carson, Sebastian E. Egner, Markus Feldt, Miwa Goto, Carol A. Grady, Olivier Guyon, Jun Hashimoto, Yutaka Hayano, Masahiko Hayashi, Saeko S. Hayashi, Thomas Henning, Klaus W. Hodapp, Miki Ishii, Masanori Iye, Markus Janson, Gillian R. Knapp, Nobuhiko Kusakabe, Jungmi Kwon, Taro Matsuo, Satoshi Mayama, Michael W. Mcelwain, Shoken M. Miyama, Jun-Ichi Morino, Amaya Moro-Martin, Tetsuo Nishimura, Tae-Soo Pyo, Eugene Serabyn, Hiroshi Suto, Michihiro Takami, Naruhisa Takato, Hiroshi Terada, Christian Thalmann, Daigo Tomono, Edwin L. Turner, Makoto Watanabe, John P. Wisniewski, Toru Yamada, Hideki Takami, Tomonori Usuda and Motohide Tamura.

in Publications of the Astronomical Society of Japan

December 2012; p ublished online December 2012 .

Journal Article. Subjects: Astronomical Instrumentation, Methods, and Techniques; Stars. 2936 words.

We report that HAT-P-7 has a common proper motion stellar companion. The companion is located at [math] 3[math] 9 to the east and estimated to be an M5.5V dwarf based on its colors. We also...

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A Massive Substellar Companion to the Massive Giant HD 119445

Masashi Omiya, Hideyuki Izumiura, Inwoo Han, Byeong-Cheol Lee, Bun’ei Sato, Eiji Kambe, Kang-Min Kim, Tae Seog Yoon, Michitoshi Yoshida, Seiji Masuda, Eri Toyota, Seitaro Urakawa and Masahide Takada-Hidai.

in Publications of the Astronomical Society of Japan

August 2009; p ublished online August 2009 .

Journal Article. Subjects: Astronomical Instrumentation, Methods, and Techniques; Stars. 4838 words.

We detected a brown dwarf-mass companion around the intermediate-mass giant star HD 119445 (G6III) using the Doppler technique. This discovery is the first result from a...

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A Planetary Companion to the Intermediate-Mass Giant HD 100655

Masashi Omiya, Inwoo Han, Hideyuki Izumiura, Byeong-Cheol Lee, Bun'ei Sato, Kang-Min Kim, Tae Seog Yoon, Eiji Kambe, Michitoshi Yoshida, Seiji Masuda, Eri Toyota, Seitaro Urakawa and Masahide Takada-Hidai.

in Publications of the Astronomical Society of Japan

April 2012; p ublished online April 2012 .

Journal Article. Subjects: Astronomical Instrumentation, Methods, and Techniques; Stars. 5357 words.

A precise radial-velocity survey conducted by a Korean–Japanese planet search program revealed a planetary companion around the intermediate-mass clump giant HD 100655. The radial velocity...

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Substellar Companions to Seven Evolved Intermediate-Mass Stars

Bun'ei Sato, Masashi Omiya, Hiroki Harakawa, Hideyuki Izumiura, Eiji Kambe, Yoichi Takeda, Michitoshi Yoshida, Yoichi Itoh, Hiroyasu Ando, Eiichiro Kokubo and Shigeru Ida.

in Publications of the Astronomical Society of Japan

December 2012; p ublished online December 2012 .

Journal Article. Subjects: Astronomical Instrumentation, Methods, and Techniques; Stars. 8824 words.

We report on the detections of substellar companions orbiting around seven evolved intermediate-mass stars from precise Doppler measurements at Okayama Astrophysical Observatory. [math] UMa...

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Substellar Companions to Evolved Intermediate-Mass Stars: HD 145457 and HD 180314

Bun’ei Sato, Masashi Omiya, Yujuan Liu, Hiroki Harakawa, Hideyuki Izumiura, Eiji Kambe, Eri Toyota, Daisuke Murata, Byeong-Cheol Lee, Seiji Masuda, Yoichi Takeda, Michitoshi Yoshida, Yoichi Itoh, Hiroyasu Ando, Eiichiro Kokubo, Shigeru Ida, Gang Zhao and Inwoo Han.

in Publications of the Astronomical Society of Japan

August 2010; p ublished online August 2010 .

Journal Article. Subjects: Astronomical Instrumentation, Methods, and Techniques; Stars. 4731 words.

We report on the detection of two substellar companions orbiting around evolved intermediate-mass stars by precise Doppler measurements at Subaru Telescope and Okayama Astrophysical...

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Planetary Companions to Three Evolved Intermediate-Mass Stars: HD 2952, HD 120084, and ω Serpentis

Bun’ei Sato, Masashi Omiya, Hiroki Harakawa, Yu-Juan Liu, Hideyuki Izumiura, Eiji Kambe, Yoichi Takeda, Michitoshi Yoshida, Yoichi Itoh, Hiroyasu Ando, Eiichiro Kokubo and Shigeru Ida.

in Publications of the Astronomical Society of Japan

August 2013; p ublished online August 2013 .

Journal Article. Subjects: Astronomical Instrumentation, Methods, and Techniques; Stars. 7466 words.

We report on the detections of planetary companions orbiting around three evolved intermediate-mass stars based on precise radial velocity measurements at Okayama Astrophysical Observatory....

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Effects of Mutual Transits by Extrasolar Planet–Companion Systems on Light Curves

Masanao Sato and Hideki Asada.

in Publications of the Astronomical Society of Japan

August 2009; p ublished online August 2009 .

Journal Article. Subjects: Astrometry and Celestial Mechanics; Astronomical Instrumentation, Methods, and Techniques; Planetary Systems; Stars. 3900 words.

We consider the effects of mutual transits by extrasolar planet–companion systems (in a true binary or a planet–satellite system) on light curves. We show that induced changes in light...

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Transiting Extrasolar Planet with a Companion: Effects of Orbital Eccentricity and Inclination

Masanao Sato and Hideki Asada.

in Publications of the Astronomical Society of Japan

October 2010; p ublished online October 2010 .

Journal Article. Subjects: Astrometry and Celestial Mechanics; Astronomical Instrumentation, Methods, and Techniques; Planetary Systems; Stars. 7834 words.

Continuing work initiated in an earlier publication (Sato & Asada, 2009, PASJ, 61, L29), we consider light curves influenced by the orbital inclination and eccentricity of a companion in...

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A long-period eccentric substellar companion to the evolved intermediate-mass star HD 14067

Liang Wang, Bun'ei Sato, Masashi Omiya, Hiroki Harakawa, Yujuan Liu, Nan Song, Wei He, Xiaoshu Wu, Hideyuki Izumiura, Eiji Kambe, Yoichi Takeda, Michitoshi Yoshida, Yoichi Itoh, Hiroyasu Ando, Eiichiro Kokubo, Shigeru Ida and Gang Zhao.

in Publications of the Astronomical Society of Japan

December 2014; p ublished online December 2014 .

Journal Article. Subjects: Planetary Systems; Stars; Astronomical Instrumentation, Methods, and Techniques. 4567 words.

We report on the detection of a substellar companion orbiting an evolved intermediate-mass (M  = 2.4 M ) star HD 14067 (G9 III) using a precise Doppler technique....

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Near-Infrared Spectroscopy of Faint Companions around Young Stellar Objects Associated with the Taurus Molecular Cloud

Yoichi Itoh, Motohide Tamura, Masahiko Hayashi, Yumiko Oasa, Saeko S. Hayashi, Misato Fukagawa, Tomoyuki Kudo, Satoshi Mayama, Miki Ishii, Tae-Soo Pyo, Takuya Yamashita and Junichi Morino.

in Publications of the Astronomical Society of Japan

April 2008; p ublished online April 2008 .

Journal Article. Subjects: Astronomical Instrumentation, Methods, and Techniques; Planetary Systems. 4463 words.

We have conducted near-infrared spectroscopy of 26 faint objects around young stellar objects in the Taurus molecular cloud. These objects were detected during a course of near-infrared...

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Search for Outer Massive Bodies around Transiting Planetary Systems: Candidates of Faint Stellar Companions around HAT-P-7

Norio Narita, Tomoyuki Kudo, Carolina Bergfors, Makiko Nagasawa, Christian Thalmann, Bun’ei Sato, Ryuji Suzuki, Ryo Kandori, Markus Janson, Miwa Goto, Wolfgang Brandner, Shigeru Ida, Lyu Abe, Joseph Carson, Sebastian E. Egner, Markus Feldt, Taras Golota, Olivier Guyon, Jun Hashimoto, Yutaka Hayano, Masahiko Hayashi, Saeko S. Hayashi, Thomas Henning, Klaus W. Hodapp, Miki Ishii, Gillian R. Knapp, Nobuhiko Kusakabe, Masayuki Kuzuhara, Taro Matsuo, Michael W. McElwain, Shoken M. Miyama, Jun-Ichi Morino, Amaya Moro-Martin, Tetsuo Nishimura, Tae-Soo Pyo, Eugene Serabyn, Takuya Suenaga, Hiroshi Suto, Yasuhiro Haruhi Takahashi, Michihiro Takami, Naruhisa Takato, Hiroshi Terada, Daigo Tomono, Edwin L. Turner, Makoto Watanabe, Toru Yamada, Hideki Takami, Tomonori Usuda and Motohide Tamura.

in Publications of the Astronomical Society of Japan

June 2010; p ublished online June 2010 .

Journal Article. Subjects: Astronomical Instrumentation, Methods, and Techniques; Stars. 5051 words.

We present results of direct imaging observations for HAT-P-7 taken with the Subaru HiCIAO and the Calar Alto AstraLux. Since the close-in transiting planet HAT-P-7b was reported to have a...

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Planetary Companions around Three Intermediate-Mass G and K Giants: 18 Delphini, ξ Aquilae, and HD 81688

Bun’ei Sato, Hideyuki Izumiura, Eri Toyota, Eiji Kambe, Masahiro Ikoma, Masashi Omiya, Seiji Masuda, Yoichi Takeda, Daisuke Murata, Yoichi Itoh, Hiroyasu Ando, Michitoshi Yoshida, Eiichiro Kokubo and Shigeru Ida.

in Publications of the Astronomical Society of Japan

June 2008; p ublished online June 2008 .

Journal Article. Subjects: Stars; Astronomical Instrumentation, Methods, and Techniques. 7699 words.

We report on the detection of 3 new extrasolar planets from a precise Doppler survey of G and K giants at Okayama Astrophysical Observatory. The host stars, ...

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Planetary Companions to Evolved Intermediate-Mass Stars: 14 Andromedae, 81 Ceti, 6 Lyncis, and HD167042

Bun'ei Sato, Eri Toyota, Masashi Omiya, Hideyuki Izumiura, Eiji Kambe, Seiji Masuda, Yoichi Takeda, Yoichi Itoh, Hiroyasu Ando, Michitoshi Yoshida, Eiichiro Kokubo and Shigeru Ida.

in Publications of the Astronomical Society of Japan

December 2008; p ublished online December 2008 .

Journal Article. Subjects: Astronomical Instrumentation, Methods, and Techniques; Stars. 6529 words.

We report on the detection of four extrasolar planets orbiting evolved intermediate-mass stars from a precise Doppler survey of G-K giants at Okayama Astrophysical Observatory. All of the...

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CIAO: Coronagraphic Imager with Adaptive Optics on the Subaru Telescope

Koji Murakawa, Hiroshi Suto, Motohide Tamura, Norio Kaifu, Hideki Takami, Naruhisa Takato, Shin Oya, Yutaka Hayano, Wolfgang Gaessler and Yukiko Kamata.

in Publications of the Astronomical Society of Japan

June 2004; p ublished online June 2004 .

Journal Article. Subjects: Astronomical Instrumentation, Methods, and Techniques. 8197 words.

We present the performances of direct imaging with adaptive optics, coronagraph, and imaging-polarimetry of the coronagraphic imager with adaptive optics (CIAO) for the Subaru telescope....

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Superburst with Outburst from EXO 1745−248 in Terzan 5 with MAXI

Motoko Serino, Tatehiro Mihara, Masaru Matsuoka, Satoshi Nakahira, Mutsumi Sugizaki, Yoshihiro Ueda, Nobuyuki Kawai and Shiro Ueno.

in Publications of the Astronomical Society of Japan

October 2012; p ublished online October 2012 .

Journal Article. Subjects: Astronomy and Astrophysics; Astronomical Instrumentation, Methods, and Techniques. 3776 words.

MAXI/GSC detected a superburst from EXO 1745[math] 248 in the globular cluster Terzan 5 on 2011 October 24. The GSC light curve shows an exponential decay with an [math]-folding time of 0.3...

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HAT-P-38b: A Saturn-Mass Planet Transiting a Late G Star

Bun'ei Sato, Joel D. Hartman, Gáspár Á. Bakos, Bence BÉKy, Guillermo Torres, David W. Latham, Géza KovÁcs, Zoltán Csubry, Kaloyan Penev, Robert W. Noyes, Lars A. Buchhave, Samuel N. Quinn, Mark Everett, Gilbert A. Esquerdo, Debra A. Fischer, Andrew W. Howard, John A. Johnson, Geoff W. Marcy, Dimitar D. Sasselov, Tamás SzklenÁr, József LÁzÁr, István Papp and Pál SÁri.

in Publications of the Astronomical Society of Japan

October 2012; p ublished online October 2012 .

Journal Article. Subjects: Astronomical Instrumentation, Methods, and Techniques; Stars. 5484 words.

We report on the discovery of HAT-P-38b, a Saturn-mass exoplanet, transiting the [math] [math] 12.56 dwarf star GSC 2314-00559 on a [math] [math] 4.6404 d circular orbit. The host star is a...

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Radial Velocity Search for Extrasolar Planets in Visual Binary Systems

Eri Toyota, Yoichi Itoh, Shinichiro Ishiguma, Seitaro Urakawa, Daisuke Murata, Yumiko Oasa, Hiroko Matsuyama, Hitoshi Funayama, Bun’ei Sato and Tadashi Mukai.

in Publications of the Astronomical Society of Japan

February 2009; p ublished online February 2009 .

Journal Article. Subjects: Astronomical Instrumentation, Methods, and Techniques; Stars. 5977 words.

We searched for extrasolar planets in visual binary systems using precise Doppler-shift measurements taken over a period of 4 yr. Using the HIgh Dispersion Echelle Spectrograph (HIDES)...

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Spin–Orbit Alignment of the TrES-4 Transiting Planetary System and Possible Additional Radial-Velocity Variation

Norio Narita, Bun’ei Sato, Teruyuki Hirano, Joshua N. Winn, Wako Aoki and Motohide Tamura.

in Publications of the Astronomical Society of Japan

June 2010; p ublished online June 2010 .

Journal Article. Subjects: Astronomical Instrumentation, Methods, and Techniques; Stars. 5252 words.

We report new radial velocities of the TrES-4 transiting planetary system, including observations of a full planetary transit, with the High Dispersion Spectrograph on the Subaru 8.2 m...

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Radial-Velocity Variability of G-Type Giants: First Three Years of the Okayama Planet Search Program

Bun’ei Sato, Eiji Kambe, Yoichi Takeda, Hideyuki Izumiura, Seiji Masuda and Hiroyasu Ando.

in Publications of the Astronomical Society of Japan

February 2005; p ublished online February 2005 .

Journal Article. Subjects: Astronomical Instrumentation, Methods, and Techniques; Stars. 6358 words.

We report on the radial-velocity variability of G-type giants based on the results of precise Doppler measurements of 57 stars that were observed for the first 3 years of the Okayama Planet...

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An Extrasolar Planet Transit Search with Subaru Suprime-Cam

Seitaro Urakawa, Toru Yamada, Yasushi Suto, Edwin L. Turner, Yoichi Itoh, Tadashi Mukai, Motohide Tamura and Yiping Wang.

in Publications of the Astronomical Society of Japan

October 2006; p ublished online October 2006 .

Journal Article. Subjects: Astronomical Instrumentation, Methods, and Techniques; Stars. 6378 words.

We report the results of a prototype photometric search for transiting extrasolar planets using Subaru Suprime-Cam. Out of about 100000 stars monitored around the Galactic plane ([math]),...

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