M
Masashi Otsubo
Researcher at National Institutes of Natural Sciences, Japan
Publications - 20
Citations - 2460
Masashi Otsubo is an academic researcher from National Institutes of Natural Sciences, Japan. The author has contributed to research in topics: Subaru Telescope & Adaptive optics. The author has an hindex of 10, co-authored 20 publications receiving 2393 citations. Previous affiliations of Masashi Otsubo include Advanced Technology Center & Subaru.
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Journal ArticleDOI
The Solar Optical Telescope for the Hinode Mission: An Overview
Saku Tsuneta,Kiyoshi Ichimoto,Yukio Katsukawa,Shin Nagata,Masashi Otsubo,Toshifumi Shimizu,Yoshinori Suematsu,Masao Nakagiri,M. Noguchi,T. D. Tarbell,A. M. Title,R. A. Shine,W. Rosenberg,C. Hoffmann,B. Jurcevich,Gary D. Kushner,M. Levay,Bruce W. Lites,D. F. Elmore,Tadashi Matsushita,Noboru Kawaguchi,H. Saito,Izumi Mikami,L. D. Hill,J. K. Owens +24 more
TL;DR: The solar optical telescope (SOT) as discussed by the authors is a 50-cm diffraction-limited Gregorian telescope with the Stokes Spectro-Polarimeter (SP) attached to it.
Journal ArticleDOI
The Solar Optical Telescope of Solar-B (Hinode): The Optical Telescope Assembly
Yoshinori Suematsu,Saku Tsuneta,Kiyoshi Ichimoto,Toshifumi Shimizu,Masashi Otsubo,Yukio Katsukawa,Masao Nakagiri,M. Noguchi,T. Tamura,Yoshiaki Kato,Hirohisa Hara,Masahito Kubo,I. Mikami,H. Saito,T. Matsushita,N. Kawaguchi,T. Nakaoji,K. Nagae,Shigenobu Shimada,Norihide Takeyama,T. Yamamuro +20 more
TL;DR: The solar optical telescope (SOT) as mentioned in this paper was designed to perform high-precision photometric and polarimetric observations of the Sun in visible light spectra (388 − 668 nm) with a spatial resolution of 0.2 - 0.3 arcsec.
Journal ArticleDOI
Current Performance and On-Going Improvements of the 8.2 m Subaru Telescope
Masanori Iye,Hiroshi Karoji,Hiroyasu Ando,Norio Kaifu,K. Kodaira,Kentaro Aoki,Wako Aoki,Yoshihiro Chikada,Yoshiyuki Doi,Noboru Ebizuka,Brian Elms,Gary Fujihara,Hisanori Furusawa,Tetsuharu Fuse,Wolfgang Gaessler,Sumiko Harasawa,Yutaka Hayano,Masahiko Hayashi,Saeko S. Hayashi,Shin-Ichi Ichikawa,Masatoshi Imanishi,Catherine M. Ishida,Yukiko Kamata,Tomio Kanzawa,Nobunari Kashikawa,Koji S. Kawabata,Naoto Kobayashi,Yutaka Komiyama,George Kosugi,Tomio Kurakami,Michael Letawsky,Yoshitaka Mikami,Akihiko Miyashita,Satoshi Miyazaki,Yoshihiko Mizumoto,Jun-Ichi Morino,Kentaro Motohara,Koji Murakawa,Masao Nakagiri,Kyoko Nakamura,Hidehiko Nakaya,Kyoji Nariai,Tetsuo Nishimura,Kunio Noguchi,Takeshi Noguchi,Junichi Noumaru,Ryusuke Ogasawara,Norio Ohshima,Y. Ohyama,Kiichi Okita,Koji Omata,Masashi Otsubo,Shin Oya,Robert Potter,Yoshihiko Saito,Toshiyuki Sasaki,Shuji Sato,Dennis Scarla,Kiaina Schubert,Kazuhiro Sekiguchi,Maki Sekiguchi,Ian Shelton,Chris Simpson,Hiroshi Suto,Akito Tajitsu,Hideki Takami,Tadafumi Takata,Naruhisa Takato,Richard Tamae,Motohide Tamura,Wataru Tanaka,Hiroshi Terada,Yasuo Torii,Fumihiko Uraguchi,Tomonori Usuda,Mark Weber,Tom Winegar,Masafumi Yagi,Toru Yamada,Takuya Yamashita,Yasumasa Yamashita,Naoki Yasuda,Michitoshi Yoshida,Masami Yutani +83 more
TL;DR: An overview of the current status of the 8.2m Subaru Telescope constructed and operated at Mauna Kea, Hawaii, by the National Astronomical Observatory of Japan is presented in this paper.
Journal ArticleDOI
The first light of the Subaru Telescope: A new infrared image of the Orion Nebula
Norio Kaifu,Tomonori Usuda,Saeko S. Hayashi,Yoichi Itoh,Masayuki Akiyama,Masayuki Akiyama,Takuya Yamashita,Yasushi Nakajima,Motohide Tamura,Shu-ichiro Inutsuka,Masahiko Hayashi,Toshinori Maihara,Fumihide Iwamuro,Kentaro Motohara,Jun'ich Iwai,Hirohisa Tanabe,Tomoyuki Taguchi,Ryuji Hata,Hiroshi Terada,Miwa Goto,Hiroyasu Ando,Tetsuo Aoki,Yoshihiro Chikada,Mamoru Doi,Noboru Ebizuka,Takeo Fukuda,Masaru Hamabe,Tetsuo Hasegawa,Toshihiro Horaguchi,Shin-Ichi Ichikawa,Takashi Ichikawa,Masatoshi Imanishi,Katsumi Imi,Motoko Inata,Shuzo Isobe,Masanori Iye,Yukiko Kamata,Tomio Kanzawa,Hiroshi Karoji,Nobunari Kashikawa,Hirokazu Kataza,Taichi Kato,Naoto Kobayashi,Yukiyasu Kobayashi,Keiichi Kodaira,G. Kosugi,Tomio Kurakami,Yoshitaka Mikami,Shoken M. Miyama,Akihiko Miyashita,Takashi Miyata,Satoshi Miyazaki,Yoshihiko Mizumoto,Masao Nakagiri,Koich Nakajima,Kyoko Nakamura,Kyoji Nariai,Eiji Nishihara,Jun Nishikawa,Shiro Nishimura,Tetsuo Nishimura,Tetsuo Nishino,Kunio Noguchi,Takeshi Noguchi,Junichi Noumaru,Ryusuke Ogasawara,Norio Okada,Kiichi Okita,Koji Omata,Norio Oshima,Masashi Otsubo,Goro Sasaki,Toshiyuki Sasaki,Maki Sekiguchi,Kazuhiro Sekiguchi,Ian Shelton,Chris Simpson,Hiroshi Suto,Hideki Takami,Tadafumi Takata,Naruhisa Takato,Kyoko Tanaka,Wataru Tanaka,Daigo Tomono,Yasuo Torii,Koichi Waseda,Jun-ichi Watanabe,Masaru Watanabe,Masafumi Yagi,Yasumasa Yamashita,Naoki Yasuda,Michitoshi Yoshida,Shigeomi Yoshida,Masami Yutani +93 more
Journal ArticleDOI
Performance of Subaru Cassegrain Adaptive Optics System
Hideki Takami,Naruhisa Takato,Yutaka Hayano,Masanori Iye,Shin Oya,Yukiko Kamata,Tomio Kanzawa,Yosuke Minowa,Yosuke Minowa,Masashi Otsubo,Koji Nakashima,Wolfgang Gaessler,D. Saint-Jacques +12 more
TL;DR: The Cassegrain Adaptive Optics (AO) system for the 8.2m Subaru Telescope as discussed by the authors is based on a curvature wavefront sensor with 36 photon-counting avalanche photodiode modules and a bimorph wavefront correcting deformable mirror with 36 driving electrodes.