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Proceedings Paper

Soft X-ray Imager (SXI) onboard ASTRO-H
Author(s): Kiyoshi Hayashida; Hiroshi Tsunemi; Takeshi Go Tsuru; Tadayasu Dotani; Hiroshi Nakajima; Naohisa Anabuki; Ryo Nagino; Shutaro Ueda; Takaaki Tanaka; Hiroyuki Uchida; Masayoshi Nobukawa; Masayuki Ozaki; Chikara Natsukari; Junko S. Hiraga; Hiroshi Tomida; Masashi Kimura; Tadayoshi Kohmura; Hiroshi Murakami; Koji Mori; Makoto Yamauchi; Isamu Hatsukade; Yusuke Nishioka; Aya Bamba; Shuhei Katada; Kumiko Kawabata Nobukawa; Masachika Iwai; Keisuke Kondo; Tukasa Takeyoshi; John P. Doty
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Paper Abstract

Soft X-ray Imager (SXI) is a CCD camera onboard the ASTRO-H satellite which is scheduled to be launched in 2015. The SXI camera contains four CCD chips, each with an imaging area of 31mm x 31 mm, arrayed in mosaic, covering the whole FOV area of 38′ x 38′. The CCDs are a P-channel back-illuminated (BI) type with a depletion layer thickness of 200 _m. High QE of 77% at 10 keV expected for this device is an advantage to cover an overlapping energy band with the Hard X-ray Imager (HXI) onboard ASTRO-H. Most of the flight components of the SXI system are completed until the end of 2013 and assembled, and an end-to-end test is performed. Basic performance is verified to meet the requirements. Similar performance is confirmed in the first integration test of the satellite performed in March to June 2014, in which the energy resolution at 5.9 keV of 160 eV is obtained. In parallel to these activities, calibrations using engineering model CCDs are performed, including QE, transmission of a filter, linearity, and response profiles.

Paper Details

Date Published: 29 July 2014
PDF: 8 pages
Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 914429 (29 July 2014); doi: 10.1117/12.2054575
Show Author Affiliations
Kiyoshi Hayashida, Osaka Univ. (Japan)
Hiroshi Tsunemi, Osaka Univ. (Japan)
Takeshi Go Tsuru, Kyoto Univ. (Japan)
Tadayasu Dotani, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Hiroshi Nakajima, Osaka Univ. (Japan)
Naohisa Anabuki, Osaka Univ. (Japan)
Ryo Nagino, Osaka Univ. (Japan)
Shutaro Ueda, Osaka Univ. (Japan)
Takaaki Tanaka, Kyoto Univ. (Japan)
Hiroyuki Uchida, Kyoto Univ. (Japan)
Masayoshi Nobukawa, Kyoto Univ. (Japan)
Masayuki Ozaki, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Chikara Natsukari, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Junko S. Hiraga, The Univ. of Tokyo (Japan)
Hiroshi Tomida, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Masashi Kimura, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Tadayoshi Kohmura, Tokyo Univ. of Science (Japan)
Hiroshi Murakami, Tohoku Gakuin Univ. (Japan)
Koji Mori, Univ. of Miyazaki (Japan)
Makoto Yamauchi, Univ. of Miyazaki (Japan)
Isamu Hatsukade, Univ. of Miyazaki (Japan)
Yusuke Nishioka, Univ. of Miyazaki (Japan)
Aya Bamba, Aoyama Gakuin Univ. (Japan)
Shuhei Katada, Osaka Univ. (Japan)
Kumiko Kawabata Nobukawa, Kyoto Univ. (Japan)
Masachika Iwai, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Keisuke Kondo, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Tukasa Takeyoshi, Univ. of Miyazaki (Japan)
John P. Doty, Noqsi Aerospace, Ltd. (United States)


Published in SPIE Proceedings Vol. 9144:
Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray
Tadayuki Takahashi; Jan-Willem A. den Herder; Mark Bautz, Editor(s)

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