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Proceedings Paper

The soft gamma-ray detector (SGD) onboard ASTRO-H
Author(s): Shin Watanabe; Hiroyasu Tajima; Yasushi Fukazawa; Roger Blandford; Teruaki Enoto; Andrea Goldwurm; Kouichi Hagino; Katsuhiro Hayashi; Yuto Ichinohe; Jun Kataoka; Junichiro Katsuta; Takao Kitaguchi; Motohide Kokubun; Philippe Laurent; François Lebrun; Olivier Limousin; Grzegorz M. Madejski; Kazuo Makishima; Tsunefumi Mizuno; Kunishiro Mori; Takeshi Nakamori; Toshio Nakano; Kazuhiro Nakazawa; Hirofumu Noda; Hirokazu Odaka; Masanori Ohno; Masayuki Ohta; Shinya Saito; Goro Sato; Rie Sato; Shin'ichiro Takeda; Hiromitsu Takahashi; Tadayuki Takahashi; Takaaki Tanaka; Yasuyuki Tanaka; Yukikatsu Terada; Hideki Uchiyama; Yasunobu Uchiyama; Kazutaka Yamaoka; Yoichi Yatsu; Daisuke Yonetoku; Takayuki Yuasa
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Paper Abstract

The Soft Gamma-ray Detector (SGD) is one of science instruments onboard ASTRO-H (Hitomi) and features a wide energy band of 60{600 keV with low backgrounds. SGD is an instrument with a novel concept of "Narrow field-of-view" Compton camera where Compton kinematics is utilized to reject backgrounds which are inconsistent with the field-of-view defined by the active shield. After several years of developments, the flight hardware was fabricated and subjected to subsystem tests and satellite system tests. After a successful ASTRO-H (Hitomi) launch on February 17, 2016 and a critical phase operation of satellite and SGD in-orbit commissioning, the SGD operation was moved to the nominal observation mode on March 24, 2016. The Compton cameras and BGO-APD shields of SGD worked properly as designed. On March 25, 2016, the Crab nebula observation was performed, and, the observation data was successfully obtained.

Paper Details

Date Published: 20 July 2016
PDF: 16 pages
Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 990513 (20 July 2016); doi: 10.1117/12.2231962
Show Author Affiliations
Shin Watanabe, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Univ. of Tokyo (Japan)
Hiroyasu Tajima, Nagoya Univ. (Japan)
Yasushi Fukazawa, Hiroshima Univ. (Japan)
Roger Blandford, Stanford Univ. (United States)
Teruaki Enoto, Kyoto Univ. (Japan)
Andrea Goldwurm, IRFU/Service d'Astrophysique, CEA Saclay (France)
Kouichi Hagino, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Katsuhiro Hayashi, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Nagoya Univ. (Japan)
Yuto Ichinohe, Tokyo Metropolitan Univ. (Japan)
Jun Kataoka, Waseda Univ. (Japan)
Junichiro Katsuta, Hiroshima Univ. (Japan)
Takao Kitaguchi, Hiroshima Univ. (Japan)
Motohide Kokubun, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Philippe Laurent, IRFU/Service d'Astrophysique, CEA Saclay (France)
François Lebrun, IRFU/Service d'Astrophysique, CEA Saclay (France)
Olivier Limousin, IRFU/Service d'Astrophysique, CEA Saclay (France)
Grzegorz M. Madejski, Stanford Univ. (United States)
Kazuo Makishima, RIKEN (Japan)
Tsunefumi Mizuno, Hiroshima Univ. (Japan)
Kunishiro Mori, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Takeshi Nakamori, Yamagata Univ. (Japan)
Toshio Nakano, RIKEN (Japan)
Kazuhiro Nakazawa, Univ. of Tokyo (Japan)
Hirofumu Noda, Tohoku Univ. (Japan)
Hirokazu Odaka, Stanford Univ. (United States)
Masanori Ohno, Hiroshima Univ. (Japan)
Masayuki Ohta, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Shinya Saito, Rikkyo Univ. (Japan)
Goro Sato, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Rie Sato, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Shin'ichiro Takeda, Okinawa Institute of Science and Technology Graduate Univ. (Japan)
Hiromitsu Takahashi, Hiroshima Univ. (Japan)
Tadayuki Takahashi, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Univ. of Tokyo (Japan)
Takaaki Tanaka, Kyoto Univ. (Japan)
Yasuyuki Tanaka, Hiroshima Univ. (Japan)
Yukikatsu Terada, Saitama Univ. (Japan)
Hideki Uchiyama, Shizuoka Univ. (Japan)
Yasunobu Uchiyama, Rikkyo Univ. (Japan)
Kazutaka Yamaoka, Nagoya Univ. (Japan)
Yoichi Yatsu, Tokyo Institute of Technology (Japan)
Daisuke Yonetoku, Kanazawa Univ. (Japan)
Takayuki Yuasa, RIKEN (Japan)


Published in SPIE Proceedings Vol. 9905:
Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray
Jan-Willem A. den Herder; Tadayuki Takahashi; Marshall Bautz, Editor(s)

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