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The infrared Doppler (IRD) instrument for the Subaru telescope: instrument description and commissioning results
Author(s): Takayuki Kotani; Motohide Tamura; Jun Nishikawa; Akitoshi Ueda; Masayuki Kuzuhara; Masashi Omiya; Jun Hashimoto; Masato Ishizuka; Teruyuki Hirano; Hiroshi Suto; Takashi Kurokawa; Tsukasa Kokubo; Takahiro Mori; Yosuke Tanaka; Ken Kashiwagi; Mihoko Konishi; Tomoyuki Kudo; Bun'ei Sato; Shane Jacobson; Klaus W. Hodapp; Donald B. Hall; Wako Aoki; Tomonori Usuda; Shogo Nishiyama; Tadashi Nakajima; Yuji Ikeda; Tomoyasu Yamamuro; Jun-Ichi Morino; Haruka Baba; Ko Hosokawa; Hiroyuki Ishikawa; Norio Narita; Eiichiro Kokubo; Yutaka Hayano; Hideyuki Izumiura; Eiji Kambe; Nobuhiko Kusakabe; Jungmi Kwon; Masahiro Ikoma; Yasunori Hori; Hidenori Genda; Akihiko Fukui; Yuka Fujii; Hajime Kawahara; Guyon Olivier; Nemanja Jovanovic; Hiroki Harakawa; Masahiko Hayashi; Masahide Hidai; Masahiro Machida; Taro Matsuo; Tetsuya Nagata; Masahiro Ogihara; Hideki Takami; Naruhisa Takato; Hiroshi Terada; Daehyeon Oh
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Paper Abstract

The Infrared Doppler (IRD) instrument is a fiber-fed high-resolution NIR spectrometer for the Subaru telescope covering the Y,J,H-bands simultaneously with a maximum spectral resolution of 70,000. The main purpose of IRD is a search for Earth-mass planets around nearby M-dwarfs by precise radial velocity measurements, as well as a spectroscopic characterization of exoplanet atmospheres. We report the current status of the instrument, which is undergoing commissioning at the Subaru Telescope, and the first light observation successfully done in August 2017. The general description of the instrument will be given including spectrometer optics, fiber injection system, cryogenic system, scrambler, and laser frequency comb. A large strategic survey mainly focused on late-type M-dwarfs is planned to start from 2019.

Paper Details

Date Published: 13 July 2018
PDF: 11 pages
Proc. SPIE 10702, Ground-based and Airborne Instrumentation for Astronomy VII, 1070211 (13 July 2018); doi: 10.1117/12.2311836
Show Author Affiliations
Takayuki Kotani, AstroBiology Ctr., National Institutes of Natural Sciences (Japan)
National Astronomical Observatory of Japan (Japan)
The Graduate Univ. for Advanced Studies (Japan)
Motohide Tamura, AstroBiology Ctr., National Institutes of Natural Sciences (Japan)
National Astronomical Observatory of Japan (Japan)
The Univ. of Tokyo (Japan)
Jun Nishikawa, AstroBiology Ctr., National Institutes of Natural Sciences (Japan)
National Astronomical Observatory of Japan (Japan)
The Graduate Univ. for Advanced Studies (Japan)
Akitoshi Ueda, National Astronomical Observatory of Japan (Japan)
Masayuki Kuzuhara, AstroBiology Ctr., National Institutes of Natural Sciences (Japan)
National Astronomical Observatory of Japan (Japan)
Masashi Omiya, AstroBiology Ctr., National Institutes of Natural Sciences (Japan)
National Astronomical Observatory of Japan (Japan)
Jun Hashimoto, AstroBiology Ctr., National Institutes of Natural Sciences (Japan)
National Astronomical Observatory of Japan (Japan)
The Graduate Univ. for Advanced Studies (Japan)
Masato Ishizuka, The Univ. of Tokyo (Japan)
Teruyuki Hirano, Tokyo Institute of Technology (Japan)
Hiroshi Suto, AstroBiology Ctr., National Institutes of Natural Sciences (Japan)
National Astronomical Observatory of Japan (Japan)
Takashi Kurokawa, AstroBiology Ctr., National Institutes of Natural Sciences (Japan)
Tokyo Univ. of Agriculture and Technology (Japan)
Tsukasa Kokubo, Tokyo Univ. of Agriculture and Technology (Japan)
Takahiro Mori, Tokyo Univ. of Agriculture and Technology (Japan)
Yosuke Tanaka, Tokyo Univ. of Agriculture and Technology (Japan)
Ken Kashiwagi, National Institute of Advanced Industrial Science and Technology (Japan)
Mihoko Konishi, AstroBiology Ctr., National Institutes of Natural Sciences (Japan)
Tomoyuki Kudo, Subaru Telescope, National Astronomical Observatory of Japan (United States)
Bun'ei Sato, Tokyo Institute of Technology (Japan)
Shane Jacobson, Institute for Astronomy, Univ. of Hawai'i (United States)
Klaus W. Hodapp, Institute for Astronomy, Univ. of Hawai'i (United States)
Donald B. Hall, Institute for Astronomy, Univ. of Hawai'i (United States)
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)
Shogo Nishiyama, Miyagi Univ. of Education (Japan)
Tadashi Nakajima, AstroBiology Ctr., National Institutes of Natural Sciences (Japan)
National Astronomical Observatory of Japan (Japan)
Yuji Ikeda, Photocoding (Japan)
Tomoyasu Yamamuro, OptCraft (Japan)
Jun-Ichi Morino, National Astronomical Observatory of Japan (Japan)
Haruka Baba, The Graduate Univ. for Advanced Studies (Japan)
Ko Hosokawa, The Graduate Univ. for Advanced Studies (Japan)
Hiroyuki Ishikawa, The Graduate Univ. for Advanced Studies (Japan)
Norio Narita, The Univ. of Tokyo (Japan)
Eiichiro Kokubo, National Astronomical Observatory of Japan (Japan)
Yutaka Hayano, National Astronomical Observatory of Japan (Japan)
Hideyuki Izumiura, National Astronomical Observatory of Japan (Japan)
Eiji Kambe, National Astronomical Observatory of Japan (Japan)
Nobuhiko Kusakabe, AstroBiology Ctr., National Institutes of Natural Sciences (Japan)
National Astronomical Observatory of Japan (Japan)
Jungmi Kwon, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Masahiro Ikoma, The Univ. of Tokyo (Japan)
Yasunori Hori, AstroBiology Ctr., National Institutes of Natural Sciences (Japan)
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)
Hajime Kawahara, The Univ. of Tokyo (Japan)
Guyon Olivier, Subaru Telescope (United States)
Nemanja Jovanovic, Jet Propulsion Lab. (United States)
Hiroki Harakawa, AstroBiology Ctr., National Institutes of Natural Sciences (Japan)
National Astronomical Observatory of Japan (Japan)
Masahiko Hayashi, National Astronomical Observatory of Japan (Japan)
Masahide Hidai, Tokai Univ. (Japan)
Masahiro Machida, Kyushu Univ. (Japan)
Taro Matsuo, Osaka Univ. (Japan)
Tetsuya Nagata, Kyoto Univ. (Japan)
Masahiro Ogihara, Univ. de Nice Sophia Antipolis (France)
Hideki Takami, National Astronomical Observatory of Japan (Japan)
Naruhisa Takato, Subaru Telescope, National Astronomical Observatory of Japan (United States)
Hiroshi Terada, Subaru Telescope, National Astronomical Observatory of Japan (United States)
Daehyeon Oh, NMSC Korea (Korea, Republic of)


Published in SPIE Proceedings Vol. 10702:
Ground-based and Airborne Instrumentation for Astronomy VII
Christopher J. Evans; Luc Simard; Hideki Takami, Editor(s)

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