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Proceedings Paper

FMOS the fibre multiple-object spectrograph, part VIII: current performances and results of the engineering observations
Author(s): Masahiko Kimura; Masayuki Akiyama; Gavin B. Dalton; Fumihide Iwamuro; Ian J. Lewis; Toshinori Maihara; Kouji Ohta; Philip Tait; Naruhisa Takato; Naoyuki Tamura; Ian A. J. Tosh; Scott Smedley; Emma Curtis Lake; Takeshi Inagaki; Eric Jeschke; Kaori Kawate; Yuuki Moritani; Masanao Sumiyoshi; Kiyoto Yabe
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Paper Abstract

The Fibre Multi-Object Spectrograph for Subaru Telescope (FMOS) is a near-infrared instrument with 400 fibres in a 30' filed of view at F/2 prime focus. To observe 400 objects simultaneously, we have developed a fibre positioner called "Echidna" using a tube piezo actuator. We have also developed two OH-airglow suppressed and refrigerated spectrographs. Each spectrograph has two spectral resolution modes: the low-resolution mode and the high-resolution mode. The low-resolution mode covers the complete wavelength range of 0.9 - 1.8 μm with one exposure, while the high-resolution mode requires four exposures at different camera positions to cover the full wavelength range. The first light was accomplished in May 2008. The science observations and the open-use observations begin in May 2010.

Paper Details

Date Published: 15 July 2010
PDF: 8 pages
Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77351K (15 July 2010); doi: 10.1117/12.857416
Show Author Affiliations
Masahiko Kimura, National Astronomical Observatory of Japan, Subaru Telescope (United States)
Masayuki Akiyama, Tohoku Univ. (Japan)
Gavin B. Dalton, Univ. of Oxford (United Kingdom)
Rutherford Appleton Lab. (United Kingdom)
Fumihide Iwamuro, Kyoto Univ. (Japan)
Ian J. Lewis, Univ. of Oxford (United Kingdom)
Toshinori Maihara, Kyoto Univ. (Japan)
Kouji Ohta, Kyoto Univ. (Japan)
Philip Tait, National Astronomical Observatory of Japan, Subaru Telescope (United States)
Naruhisa Takato, National Astronomical Observatory of Japan, Subaru Telescope (United States)
Naoyuki Tamura, National Astronomical Observatory of Japan, Subaru Telescope (United States)
Ian A. J. Tosh, Rutherford Appleton Lab. (United Kingdom)
Scott Smedley, Australian Astronomical Observatory (Australia)
Emma Curtis Lake, Univ. of Oxford (United Kingdom)
Takeshi Inagaki, National Astronomical Observatory of Japan, Subaru Telescope (United States)
Eric Jeschke, National Astronomical Observatory of Japan, Subaru Telescope (United States)
Kaori Kawate, Kyoto Univ. (Japan)
Yuuki Moritani, Kyoto Univ. (Japan)
Masanao Sumiyoshi, Kyoto Univ. (Japan)
Kiyoto Yabe, Kyoto Univ. (Japan)


Published in SPIE Proceedings Vol. 7735:
Ground-based and Airborne Instrumentation for Astronomy III
Ian S. McLean; Suzanne K. Ramsay; Hideki Takami, Editor(s)

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