Sub-MeV all sky survey with a compact Si/CdTe Compton telescope

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

doi:10.1117/12.2055422

24 July 2014 Sub-MeV all sky survey with a compact Si/CdTe Compton telescope

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

Author Affiliations +

Proceedings Volume 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray; 91440J (2014) https://doi.org/10.1117/12.2055422
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

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.

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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, and Tetsuo Yoshimitsu "Sub-MeV all sky survey with a compact Si/CdTe Compton telescope", Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 91440J (24 July 2014); https://doi.org/10.1117/12.2055422

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