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Proceedings Paper

Sub-MeV all sky survey with a compact Si/CdTe Compton telescope
Author(s): Kazuhiro Nakazawa; Tadayuki Takahashi; Shin Watanabe; Yuto Ichinohe; Shin'ichiro Takeda; Teruaki Enoto; Yasushi Fukazawa; Tuneyoshi Kamae; Motohide Kokubun; Kazuo Makishima; Takefumi Mitani; Tsunefumi Mizuno; Masaharu Nomachi; Hiroyasu Tajima; Takeshi Takashima; Toru Tamagawa; Yukikatsu Terada; Makoto Tashiro; Yasunobu Uchiyama; Tetsuo Yoshimitsu
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Paper Abstract

Recent progress in wide field of view or all-sky observations such as Swift/BAT hard X-ray monitor and Fermi GeV gamma-ray observatory has opened up a new era of time-domain high energy astro-physics addressing new insight in, e.g., particle acceleration in the universe. MeV coverage with comparable sensitivity, i.e. 1 ~ 10 mCrab is missing and a new MeV all-sky observatory is needed. These new MeV mission tend to be large, power- consuming and hence expensive, and its realization is yet to come. A compact sub-MeV (0.2-2 MeV) all-sky mission is proposed as a path finder for such mission. It is based on a Si/CdTe semiconductor Compton telescope technology employed in the soft gamma-ray detector onboard ASTRO-H, to be launched in to orbit on late 2015. The mission is kept as small as 0:5 X 0:5 X 0:4 m3, 150 kg in weight and 200 W in power in place of the band coverage above a few MeV, in favor of early realization as a sub-payload to other large platforms, such as the international space station.

Paper Details

Date Published: 24 July 2014
PDF: 13 pages
Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 91440J (24 July 2014); doi: 10.1117/12.2055422
Show Author Affiliations
Kazuhiro Nakazawa, The Univ. of Tokyo (Japan)
Tadayuki Takahashi, The Univ. of Tokyo (Japan)
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Shin Watanabe, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Yuto Ichinohe, The Univ. of Tokyo (Japan)
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Shin'ichiro Takeda, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Teruaki Enoto, RIKEN (Japan)
NASA Goddard Spaceflight Ctr. (United States)
Yasushi Fukazawa, Hiroshima Univ. (Japan)
Tuneyoshi Kamae, The Univ. of Tokyo (Japan)
Motohide Kokubun, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Kazuo Makishima, The Univ. of Tokyo (Japan)
Takefumi Mitani, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Tsunefumi Mizuno, Hiroshima Univ. (Japan)
Masaharu Nomachi, Osaka Univ. (Japan)
Hiroyasu Tajima, Nagoya Univ. (Japan)
Takeshi Takashima, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Toru Tamagawa, RIKEN (Japan)
Yukikatsu Terada, Saitama Univ. (Japan)
Makoto Tashiro, Saitama Univ. (Japan)
Yasunobu Uchiyama, Rikkyo Univ. (Japan)
Tetsuo Yoshimitsu, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)


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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