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Proceedings Paper

AKARI warm mission
Author(s): Takashi Onaka; Hideo Matsuhara; Takehiko Wada; Daisuke Ishihara; Yoshifusa Ita; Youichi Ohyama; Takafumi Ootsubo; Shinki Oyabu; Itsuki Sakon; Takashi Shimonishi; Satoshi Takita; Toshihiko Tanabè; Fumihiko Usui; Hiroshi Murakami
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Paper Abstract

AKARI, the Japanese satellite mission dedicated for infrared astronomy launched in 2006 February, exhausted its 180 litter liquid helium (LHe) in 2007 August. After the LHe exhaustion, the telescope and focal plane of AKARI have still been kept less than 50K by the onboard cryocooler and near-infrared (NIR) observations with the Infrared Camera (IRC) are continuing. The data reduction software optimized for the warm mission enables us to carry out efficient and sensitive observations in the NIR despite the increase of hot pixels. In particular, the NIR spectroscopic capability of the IRC provides a unique opportunity to obtain spectra in 2.5-5μm with a high sensitivity, which will not be able to be carried out with any other facilities until JWST. An overview of the AKARI warm mission is given together with the performance and some observational results taken during the warm mission.

Paper Details

Date Published: 4 August 2010
PDF: 8 pages
Proc. SPIE 7731, Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave, 77310M (4 August 2010); doi: 10.1117/12.856568
Show Author Affiliations
Takashi Onaka, The Univ. of Tokyo (Japan)
Hideo Matsuhara, Japan Aerospace Exploration Agency (Japan)
Takehiko Wada, Japan Aerospace Exploration Agency (Japan)
Daisuke Ishihara, Nagoya Univ. (Japan)
Yoshifusa Ita, Astronomical Institute, Tohoku Univ. (Japan)
Youichi Ohyama, Institute of Astronomy and Astrophysics, Academica Sinica (Taiwan)
Takafumi Ootsubo, Astronomical Institute, Tohoku Univ. (Japan)
Shinki Oyabu, Subaru Telescope, National Astronomical Observatory of Japan (United States)
Itsuki Sakon, The Univ. of Tokyo (Japan)
Takashi Shimonishi, The Univ. of Tokyo (Japan)
Satoshi Takita, Japan Aerospace Exploration Agency (Japan)
Toshihiko Tanabè, Institute of Astronomy, The Univ. of Tokyo (Japan)
Fumihiko Usui, Japan Aerospace Exploration Agency (Japan)
Hiroshi Murakami, Japan Aerospace Exploration Agency (Japan)

Published in SPIE Proceedings Vol. 7731:
Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave
Jacobus M. Oschmann Jr.; Mark C. Clampin; Howard A. MacEwen, Editor(s)

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