J
Jun Hashimoto
Researcher at National Institutes of Natural Sciences, Japan
Publications - 153
Citations - 5042
Jun Hashimoto is an academic researcher from National Institutes of Natural Sciences, Japan. The author has contributed to research in topics: Planet & Stars. The author has an hindex of 36, co-authored 137 publications receiving 4484 citations. Previous affiliations of Jun Hashimoto include University of Oklahoma.
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Journal ArticleDOI
Discovery of Small-Scale Spiral Structures in the Disk of SAO 206462 (HD 135344B): Implications for the Physical State of the Disk from Spiral Density Wave Theory
Takayuki Muto,Takayuki Muto,Carol A. Grady,Jun Hashimoto,Misato Fukagawa,Jeremy Hornbeck,Michael L. Sitko,Michael L. Sitko,Michael L. Sitko,Ray W. Russell,Ray W. Russell,C. Werren,C. Werren,Michel Curé,Thayne Currie,Nagayoshi Ohashi,Nagayoshi Ohashi,Yoshiko K. Okamoto,Munetake Momose,Mitsuhiko Honda,Shu-ichiro Inutsuka,Taku Takeuchi,Ruobing Dong,Lyu Abe,Wolfgang Brandner,Timothy D. Brandt,Joseph C. Carson,Sebastian Egner,Markus Feldt,T. Fukue,Miwa Goto,Olivier Guyon,Yutaka Hayano,Masahiko Hayashi,Saeko S. Hayashi,Thomas Henning,Klaus W. Hodapp,Miki Ishii,Masanori Iye,Markus Janson,Ryo Kandori,Gillian R. Knapp,Tomoyuki Kudo,Nobuhiko Kusakabe,Masayuki Kuzuhara,Taro Matsuo,Satoshi Mayama,Michael W. McElwain,Shoken Miyama,Jun-Ichi Morino,Amaya Moro-Martin,Amaya Moro-Martin,Tetsuro Nishimura,Tae-Soo Pyo,Eugene Serabyn,Hiroshi Suto,Ryuji Suzuki,Michihiro Takami,Naruhisa Takato,Hiroshi Terada,Christian Thalmann,D. Tomono,Edwin L. Turner,Edwin L. Turner,Makoto Watanabe,John P. Wisniewski,Toru Yamada,Hideki Takami,Tomonori Usuda,Motohide Tamura +69 more
TL;DR: In this article, high-resolution, H-band, imaging observations, collected with Subaru/HiCIAO, of the scattered light from the transitional disk around SAO 206462 (HD 135344B), reveal the presence of scattered light components as close as 0.2 (approx 28 AU).
Journal ArticleDOI
Direct imaging of a cold jovian exoplanet in orbit around the sun-like star gj 504
Masayuki Kuzuhara,Masayuki Kuzuhara,Masayuki Kuzuhara,Motohide Tamura,Motohide Tamura,Motohide Tamura,Tomoyuki Kudo,Markus Janson,Ryo Kandori,Timothy D. Brandt,Christian Thalmann,David S. Spiegel,Beth Biller,Joseph C. Carson,Yasunori Hori,Ryuji Suzuki,Adam Burrows,Thomas Henning,Edwin L. Turner,Edwin L. Turner,Michael W. McElwain,Amaya Moro-Martin,Amaya Moro-Martin,Takuya Suenaga,Takuya Suenaga,Yasuhiro H. Takahashi,Yasuhiro H. Takahashi,Jungmi Kwon,Jungmi Kwon,Philip W. Lucas,Lyu Abe,Wolfgang Brandner,Sebastian Egner,Markus Feldt,H. Fujiwara,Miwa Goto,Carol A. Grady,Olivier Guyon,Jun Hashimoto,Yutaka Hayano,Masahiko Hayashi,Saeko S. Hayashi,Klaus W. Hodapp,Miki Ishii,Masanori Iye,Gillian R. Knapp,Taro Matsuo,Satoshi Mayama,Shoken Miyama,Jun-Ichi Morino,Jun Nishikawa,Jun Nishikawa,Tetsuro Nishimura,Takayuki Kotani,Nobuhiko Kusakabe,Tae-Soo Pyo,Eugene Serabyn,Hiroshi Suto,Michihiro Takami,Naruhisa Takato,Hiroshi Terada,D. Tomono,Makoto Watanabe,John P. Wisniewski,Toru Yamada,Hideki Takami,Tomonori Usuda +66 more
TL;DR: In this paper, the authors reported the direct-imaging discovery of a Jovian exoplanet around the Sun-like star GJ 504, detected as part of the SEEDS survey.
Journal ArticleDOI
Direct Imaging of Fine Structures in Giant Planet Forming Regions of the Protoplanetary Disk around AB Aurigae
Jun Hashimoto,Motohide Tamura,Takayuki Muto,Tomoyuki Kudo,Misato Fukagawa,T. Fukue,Miwa Goto,Carol A. Grady,Thomas Henning,Klaus W. Hodapp,Mitsuhiko Honda,Shu-ichiro Inutsuka,Eiichiro Kokubo,Gillian R. Knapp,Michael W. McElwain,Munetake Momose,Nagayoshi Ohashi,Yoshiko K. Okamoto,Michihiro Takami,Edwin L. Turner,Edwin L. Turner,John P. Wisniewski,Markus Janson,Lyu Abe,Wolfgang Brandner,Joseph C. Carson,Joseph C. Carson,Sebastian Egner,Markus Feldt,Taras Golota,Olivier Guyon,Yutaka Hayano,Masahiko Hayashi,Saeko S. Hayashi,Miki Ishii,Ryo Kandori,Nobuhiko Kusakabe,Taro Matsuo,Satoshi Mayama,Shoken Miyama,Jun-Ichi Morino,Amaya Moro-Martin,Amaya Moro-Martin,Tetsuro Nishimura,Tae-Soo Pyo,Hiroshi Suto,Ryuji Suzuki,Naruhisa Takato,Hiroshi Terada,Christian Thalmann,D. Tomono,Makoto Watanabe,Toru Yamada,Hideki Takami,Tomonori Usuda +54 more
TL;DR: In this article, high-resolution 1.6 μm polarized intensity (PI) images of the circumstellar disk around the Herbig Ae star AB Aur at a radial distance of 22 AU (015) up to 554 AU (385) were obtained by the high-contrast instrument HiCIAO with the dual-beam polarimetry.
Journal ArticleDOI
The Eccentric Cavity, Triple Rings, Two-armed Spirals, and Double Clumps of the MWC 758 Disk
Ruobing Dong,Ruobing Dong,Sheng-Yuan Liu,Josh A. Eisner,Sean M. Andrews,Jeffrey Fung,Zhaohuan Zhu,Eugene Chiang,Jun Hashimoto,Hauyu Baobab Liu,Simon Casassus,Thomas M. Esposito,Yasuhiro Hasegawa,Takayuki Muto,Yaroslav Pavlyuchenkov,David J. Wilner,Eiji Akiyama,Motohide Tamura,John P. Wisniewski +18 more
TL;DR: In this paper, Russian Science Foundation and National Aeronautics and Space Administration (NAOJ ALMA Scientific Research Grant) were used for the development of the ALMA project.
Journal ArticleDOI
Discovery of the coldest imaged companion of a sun-like star*
Christian Thalmann,Joseph C. Carson,Joseph C. Carson,Markus Janson,Miwa Goto,Michael W. McElwain,Sebastian Egner,Markus Feldt,Jun Hashimoto,Yutaka Hayano,Thomas Henning,Klaus W. Hodapp,Ryo Kandori,Hubert Klahr,Tomoyuki Kudo,Nobuhiko Kusakabe,Christoph Mordasini,Jun-Ichi Morino,Hiroshi Suto,Ryuji Suzuki,Motohide Tamura +20 more
TL;DR: The discovery of a brown dwarf or possible planet at a projected separation of 19 = 29 AU around the star GJ 758, placing it between the separations at which substellar companions are expected to form by core accretion (~5 AU) or direct gravitational collapse (typically 100 AU).