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Proceedings Paper

FMOS: the fiber multiple-object spectrograph: Part VI. Onboard performances and results of the engineering observations
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Paper Abstract

FMOS: the Fiber Multiple-Object Spectrograph is the next common-use instrument of the Subaru Telescope, having a capability of 400 targets multiplicity in the near-infrared 0.9-1.8μm wavelength range with a field coverage of 30' diameter. FMOS consists of three units: 1) the prime focus unit including the corrector lenses, the Echidna fiber positioner, and the instrument-bay to adjust the instrument focus and shift the axis of the corrector lens system, 2) the fiber bundle unit equipping two fiber slits on one end and a fiber connector box with the back-illumination mechanism on the other end on the bundle, 3) the two infrared spectrographs (IRS1 and IRS2) to obtain 2×200 spectra simultaneously. After all the components were installed in the telescope at the end of 2007, the total performance was checked through various tests and engineering observations. We report the results of these tests and demonstrate the performance of FMOS.

Paper Details

Date Published: 11 July 2008
PDF: 9 pages
Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 70140T (11 July 2008); doi: 10.1117/12.787746
Show Author Affiliations
Fumihide Iwamuro, Kyoto Univ. (Japan)
Toshinori Maihara, Kyoto Univ. (Japan)
Masayuki Akiyama, Astronomical Institute, Tohoku Univ. (Japan)
Masahiko Kimura, Subaru Telescope, National Astronomical Observatory of Japan (Japan)
Naoyuki Tamura, Subaru Telescope, National Astronomical Observatory of Japan (Japan)
Naruhisa Takato, Subaru Telescope, National Astronomical Observatory of Japan (Japan)
Philip Tait, Subaru Telescope, National Astronomical Observatory of Japan (Japan)
Kouji Ohta, Kyoto Univ. (Japan)
Shigeru Eto, Kyoto Univ. (Japan)
Yuuki Moritani, Kyoto Univ. (Japan)
Gavin B. Dalton, Univ. of Oxford (United Kingdom)
STFC, Rutherford Appleton Lab. (United Kingdom)
Ian J. Lewis, Univ. of Oxford (United Kingdom)
Hanshin Lee, Univ. of Oxford (United Kingdom)
Ian A. J. Tosh, STFC, Rutherford Appleton Lab. (United Kingdom)
Tim R. Froud, STFC, Rutherford Appleton Lab. (United Kingdom)
Graham J. Murray, Univ. of Durham (United Kingdom)
Colin Blackburn, Univ. of Durham (United Kingdom)
David G. Bonfield, ORAU, NASA Goddard Space Flight Ctr. (United States)
Peter R. Gillingham, Anglo-Australian Observatory (Australia)
Scott Smedley, Anglo-Australian Observatory (Australia)
Greg A. Smith, Anglo-Australian Observatory (Australia)
Gabriella Frost, Anglo-Australian Observatory (Australia)


Published in SPIE Proceedings Vol. 7014:
Ground-based and Airborne Instrumentation for Astronomy II
Ian S. McLean; Mark M. Casali, Editor(s)

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