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Proceedings Paper

Infrared Doppler instrument (IRD) for the Subaru telescope to search for Earth-like planets around nearby M-dwarfs
Author(s): Takayuki Kotani; Motohide Tamura; Hiroshi Suto; Jun Nishikawa; Bun'ei Sato; Wako Aoki; Tomonori Usuda; Takashi Kurokawa; Ken Kashiwagi; Shogo Nishiyama; Yuji Ikeda; Donald B. Hall; Klaus W. Hodapp; Jun Hashimoto; Jun-Ichi Morino; Yasushi Okuyama; Yosuke Tanaka; Shota Suzuki; Sadahiro Inoue; Jungmi Kwon; Takuya Suenaga; Dehyun Oh; Haruka Baba; Norio Narita; Eiichiro Kokubo; Yutaka Hayano; Hideyuki Izumiura; Eiji Kambe; Tomoyuki Kudo; Nobuhiko Kusakabe; Masahiro Ikoma; Yasunori Hori; Masashi Omiya; Hidenori Genda; Akihiko Fukui; Yuka Fujii; Olivier Guyon; Hiroki Harakawa; Masahiko Hayashi; Masahide Hidai; Teruyuki Hirano; Masayuki Kuzuhara; Masahiro Machida; Taro Matsuo; Tetsuya Nagata; Hirohi Onuki; Masahiro Ogihara; Hideki Takami; Naruhisa Takato; Yasuhiro H. Takahashi; Chihiro Tachinami; Hiroshi Terada; Hajime Kawahara; Tomoyasu Yamamuro
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Paper Abstract

We report the current status of the Infrared Doppler (IRD) instrument for the Subaru telescope, which aims at detecting Earth-like planets around nearby M darwfs via the radial velocity (RV) measurements. IRD is a fiber-fed, near infrared spectrometer which enables us to obtain high-resolution spectrum (R~70000) from 0.97 to 1.75 μm. We have been developing new technologies to achieve 1m/s RV measurement precision, including an original laser frequency comb as an extremely stable wavelength standard in the near infrared. To achieve ultimate thermal stability, very low thermal expansion ceramic is used for most of the optical components including the optical bench.

Paper Details

Date Published: 14 July 2014
PDF: 12 pages
Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 914714 (14 July 2014); doi: 10.1117/12.2055075
Show Author Affiliations
Takayuki Kotani, National Astronomical Observatory of Japan (Japan)
Motohide Tamura, National Astronomical Observatory of Japan (Japan)
The Univ. of Tokyo (Japan)
Hiroshi Suto, National Astronomical Observatory of Japan (Japan)
Jun Nishikawa, National Astronomical Observatory of Japan (Japan)
The Graduate Univ. for Advanced Studies (Japan)
Bun'ei Sato, Tokyo Institute of Technology (Japan)
Wako Aoki, National Astronomical Observatory of Japan (Japan)
The Graduate Univ. for Advanced Studies (Japan)
Tomonori Usuda, National Astronomical Observatory of Japan (Japan)
The Graduate Univ. for Advanced Studies (Japan)
Takashi Kurokawa, National Astronomical Observatory of Japan (Japan)
Tokyo Univ. of Agriculture and Technology (Japan)
Ken Kashiwagi, Tokyo Univ. of Agriculture and Technology (Japan)
Shogo Nishiyama, Miyagi Univ. of Education (Japan)
Yuji Ikeda, Photocoding (Japan)
Donald B. Hall, Institute for Astronomy, Univ. of Hawai'i (United States)
Klaus W. Hodapp, Institute for Astronomy, Univ. of Hawai'i (United States)
Jun Hashimoto, The Univ. of Oklahoma (United States)
Jun-Ichi Morino, National Astronomical Observatory of Japan (Japan)
Yasushi Okuyama, Tokyo Univ. of Agriculture and Technology (Japan)
Yosuke Tanaka, Tokyo Univ. of Agriculture and Technology (Japan)
Shota Suzuki, Tokyo Univ. of Agriculture and Technology (Japan)
Sadahiro Inoue, Tokyo Univ. of Agriculture and Technology (Japan)
Jungmi Kwon, The Univ. of Tokyo (Japan)
Takuya Suenaga, National Astronomical Observatory of Japan (Japan)
Dehyun Oh, The Graduate Univ. for Advanced Studies (Japan)
Haruka Baba, National Astronomical Observatory of Japan (Japan)
The Graduate Univ. for Advanced Studies (Japan)
Norio Narita, National Astronomical Observatory of Japan (Japan)
Eiichiro Kokubo, National Astronomical Observatory of Japan (Japan)
Yutaka Hayano, Subaru Telescope, National Astronomical Observatory of Japan (United States)
Hideyuki Izumiura, National Astronomical Observatory of Japan (Japan)
Eiji Kambe, National Astronomical Observatory of Japan (Japan)
Tomoyuki Kudo, Subaru Telescope, National Astronomical Observatory of Japan (United States)
Nobuhiko Kusakabe, National Astronomical Observatory of Japan (Japan)
Masahiro Ikoma, The Univ. of Tokyo (Japan)
Yasunori Hori, Univ. of California Santa Cruz (United States)
Masashi Omiya, National Astronomical Observatory of Japan (Japan)
Hidenori Genda, Tokyo Institute of Technology (Japan)
Akihiko Fukui, National Astronomical Observatory of Japan (Japan)
Yuka Fujii, Tokyo institute of Technology (Japan)
Olivier Guyon, Subaru Telescope, National Astronomical Observatory of Japan (United States)
Hiroki Harakawa, National Astronomical Observatory of Japan (Japan)
Masahiko Hayashi, National Astronomical Observatory of Japan (Japan)
Masahide Hidai, Tokai Univ. (Japan)
Teruyuki Hirano, Tokyo Institute of Technology (Japan)
Masayuki Kuzuhara, Tokyo Institute of Technology (Japan)
Masahiro Machida, Kyusyu Univ. (Japan)
Taro Matsuo, Kyoto Univ. (Japan)
Tetsuya Nagata, Kyoto Univ. (Japan)
Hirohi Onuki, National Astronomical Observatory of Japan (Japan)
Masahiro Ogihara, Nagoya Univ. (Japan)
Hideki Takami, National Astronomical Observatory of Japan (Japan)
Naruhisa Takato, Subaru Telescope, National Astronomical Observatory of Japan (United States)
Yasuhiro H. Takahashi, National Astronomical Observatory of Japan (Japan)
Chihiro Tachinami, Tokyo Institute of Technology (Japan)
Hiroshi Terada, National Astronomical Observatory of Japan (United States)
Hajime Kawahara, The Univ. of Tokyo (Japan)
Tomoyasu Yamamuro, Optocraft (Japan)


Published in SPIE Proceedings Vol. 9147:
Ground-based and Airborne Instrumentation for Astronomy V
Suzanne K. Ramsay; Ian S. McLean; Hideki Takami, Editor(s)

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