FMOS the fibre multiple-object spectrograph, part VIII: current performances and results of the engineering observations

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

doi:10.1117/12.857416

15 July 2010 FMOS the fibre multiple-object spectrograph, part VIII: current performances and results of the engineering observations

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

Author Affiliations +

Proceedings Volume 7735, Ground-based and Airborne Instrumentation for Astronomy III; 77351K (2010) https://doi.org/10.1117/12.857416
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

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.

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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, and Kiyoto Yabe "FMOS the fibre multiple-object spectrograph, part VIII: current performances and results of the engineering observations", Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77351K (15 July 2010); https://doi.org/10.1117/12.857416

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KEYWORDS

Telescopes

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Spectrographs

Calibration

Fiber science

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