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Proceedings Paper

Infrared Doppler instrument for the Subaru Telescope (IRD)
Author(s): M. Tamura; H. Suto; J. Nishikawa; T. Kotani; B. Sato; W. Aoki; T. Usuda; T. Kurokawa; K. Kashiwagi; S. Nishiyama; Y. Ikeda; D. Hall; K. Hodapp; J. Hashimoto; J. Morino; S. Inoue; Y. Mizuno; Y. Washizaki; Y. Tanaka; S. Suzuki; J. Kwon; T. Suenaga; D. Oh; N. Narita; E. Kokubo; Y. Hayano; H. Izumiura; E. Kambe; T. Kudo; N. Kusakabe; M. Ikoma; Ya. Hori; M. Omiya; H. Genda; A. Fukui; Y. Fujii; O. Guyon; H. Harakawa; M. Hayashi; M. Hidai; T. Hirano; M. Kuzuhara; M. Machida; T. Matsuo; T. Nagata; H. Ohnuki; M. Ogihara; S. Oshino; R. Suzuki; H. Takami; N. Takato; Y. Takahashi; C. Tachinami; H. Terada
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Paper Abstract

IRD is the near-infrared high-precision radial velocity instrument for the Subaru 8.2-m telescope. It is a relatively compact (~1m size) spectrometer with a new echelle-grating and Volume-Phase Holographic gratings covering 1-2 micron wavelengths combined with an original frequency comb using optical pulse synthesizer. The spectrometer will employ a 4096x4096-pixel HgCdTe array under testing at IfA, University of Hawaii. Both the telescope/Adaptive Optics and comb beams are fed to the spectrometer via optical fibers, while the instrument is placed at the Nasmyth platform of the Subaru telescope. Expected accuracy of the Doppler-shifted velocity measurements is about 1 m s-1. Helped with the large collecting area and high image quality of the Subaru telescope, IRD can conduct systematic radial velocity surveys of nearby middle-to-late M stars aiming for down to one Earth-mass planet. Systematic observational and theoretical studies of M stars and their planets for the IRD science are also ongoing. We will report the design and preliminary development progresses of the whole and each component of IRD.

Paper Details

Date Published: 24 September 2012
PDF: 10 pages
Proc. SPIE 8446, Ground-based and Airborne Instrumentation for Astronomy IV, 84461T (24 September 2012); doi: 10.1117/12.925885
Show Author Affiliations
M. Tamura, National Astronomical Observatory of Japan (Japan)
GUAS (Japan)
H. Suto, National Astronomical Observatory of Japan (Japan)
J. Nishikawa, National Astronomical Observatory of Japan (Japan)
T. Kotani, National Astronomical Observatory of Japan (Japan)
B. Sato, TITECH (Japan)
W. Aoki, National Astronomical Observatory of Japan (Japan)
T. Usuda, Subaru Telescope, National Astronomical Observatory of Japan (United States)
T. Kurokawa, Tokyo Univ. of Agriculture and Technology (Japan)
K. Kashiwagi, Tokyo Univ. of Agriculture and Technology (Japan)
S. Nishiyama, National Astronomical Observatory of Japan (Japan)
Y. Ikeda, Photocoding (Japan)
D. Hall, Institute for Astronomy, Univ. of Hawai'i (United States)
K. Hodapp, Institute for Astronomy, Univ. of Hawai'i (United States)
J. Hashimoto, National Astronomical Observatory of Japan (Japan)
J. Morino, National Astronomical Observatory of Japan (Japan)
S. Inoue, Tokyo Univ. of Agriculture and Technology (Japan)
Y. Mizuno, Tokyo Univ. of Agriculture and Technology (Japan)
Y. Washizaki, Tokyo Univ. of Agriculture and Technology (Japan)
Y. Tanaka, Tokyo Univ. of Agriculture and Technology (Japan)
S. Suzuki, Tokyo Univ. of Agriculture and Technology (Japan)
J. Kwon, GUAS (Japan)
T. Suenaga, GUAS (Japan)
D. Oh, GUAS (Japan)
N. Narita, National Astronomical Observatory of Japan (Japan)
E. Kokubo, National Astronomical Observatory of Japan (Japan)
Y. Hayano, Subaru Telescope, National Astronomical Observatory of Japan (United States)
H. Izumiura, National Astronomical Observatory of Japan (Japan)
E. Kambe, National Astronomical Observatory of Japan (Japan)
T. Kudo, Subaru Telescope, National Astronomical Observatory of Japan (United States)
N. Kusakabe, National Astronomical Observatory of Japan (Japan)
M. Ikoma, The Univ. of Tokyo (Japan)
Ya. Hori, National Astronomical Observatory of Japan (Japan)
M. Omiya, TITECH (Japan)
H. Genda, The Univ. of Tokyo (Japan)
A. Fukui, National Astronomical Observatory of Japan (Japan)
Y. Fujii, The Univ. of Tokyo (Japan)
O. Guyon, Subaru Telescope, National Astronomical Observatory of Japan (United States)
H. Harakawa, TITECH (Japan)
M. Hayashi, National Astronomical Observatory of Japan (Japan)
M. Hidai, Tokai Univ. (Japan)
T. Hirano, The Univ. of Tokyo (Japan)
M. Kuzuhara, The Univ. of Tokyo (Japan)
M. Machida, Kyusyu Univ. (Japan)
T. Matsuo, Kyoto Univ. (Japan)
T. Nagata, Kyoto Univ. (Japan)
H. Ohnuki, TITECH (Japan)
M. Ogihara, Nagoya Univ. (Japan)
S. Oshino, National Astronomical Observatory of Japan (Japan)
R. Suzuki, National Astronomical Observatory of Japan (Japan)
H. Takami, National Astronomical Observatory of Japan (Japan)
N. Takato, Subaru Telescope, National Astronomical Observatory of Japan (United States)
Y. Takahashi, The Univ. of Tokyo (Japan)
C. Tachinami, TITECH (Japan)
H. Terada, Subaru Telescope, National Astronomical Observatory of Japan (United States)


Published in SPIE Proceedings Vol. 8446:
Ground-based and Airborne Instrumentation for Astronomy IV
Ian S. McLean; Suzanne K. Ramsay; Hideki Takami, Editor(s)

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