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arxiv: 0708.4290 · v1 · pith:GWXEGBNInew · submitted 2007-08-31 · 🌌 astro-ph

Near-infrared and Mid-infrared Spectroscopy with the Infrared Camera (IRC) for AKARI

Youichi Ohyama (1) , Takashi Onaka (2) , Hideo Matsuhara (1) , Takehiko Wada (1) , Woojung Kim (1) , Naofumi Fujishiro (3) , Kazunori Uemizu (1) , Itsuki Sakon (2)
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Martin Cohen (4) Miho Ishigaki (5) Daisuke Ishihara (2) Yoshifusa Ita (1) Hirokazu Kataza (1) Toshio Matsumoto (1) Hiroshi Murakami (1) Shinki Oyabu (1) Toshihiko Tanabe (6) Toshinobu Takagi (1) Munetaka Ueno (7) Fumio Usui (1) Hidenori Watarai (8) Chris P. Pearson (1 9) Norihide Takeyama (10) Tomoyasu Yamamuro (10) Yuji Ikeda (10) ((1) ISAS/JAXA (2) Department of Astronomy The University of Tokyo (3) Department of Physics (4) Radio Astronomy Laboratory University of California (5) Department of Physics Tokyo Institute of Technology (6) Institute of Astronomy (7) Department of Earth Science Astronomy (8) Office of Space Applications JAXA (9) ISO Data Center ESA (10) Genesia Corporation)
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classification 🌌 astro-ph
keywords akariimaginginfraredspectroscopiccameracapabilitylambdamid-infrared
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The Infrared Camera (IRC) is one of the two instruments on board the AKARI satellite. In addition to deep imaging from 1.8-26.5um for the pointed observation mode of the AKARI, it has a spectroscopic capability in its spectral range. By replacing the imaging filters by transmission-type dispersers on the filter wheels, it provides low-resolution (lambda/d_lambda ~ 20-120) spectroscopy with slits or in a wide imaging field-of-view (approximately 10'X10'). The IRC spectroscopic mode is unique in space infrared missions in that it has the capability to perform sensitive wide-field spectroscopic surveys in the near- and mid-infrared wavelength ranges. This paper describes specifications of the IRC spectrograph and its in-orbit performance.

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