Soft gamma-ray detector (SGD) onboard the ASTRO-H mission

Yasushi Fukazawa, Hiroyasu Tajima, Shin Watanabe, Roger Blandford, Katsuhiro Hayashi, Atsushi Harayama, Jun Kataoka, Madoka Kawaharada, Motohide Kokubun, Philippe Laurent, François Lebrun, Olivier Limousin, Grzegorz M. Madejski, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Kazuhiro Nakazawa, Hirofumi Noda, Hirokazu OdakaMasanori Ohno, Masayuki Ohta, Shin'Ya Saito, Goro Sato, Rie Sato, Shin'Ichiro Takeda, Hiromitsu Takahashi, Tadayuki Takahashi, Yasuyuki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Kazutaka Yamaoka, Yoichi Yatsu, Daisuke Yonetoku, Takayuki Yuasa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

14 Citations (Scopus)

Abstract

The Soft Gamma-ray Detector (SGD) is one of observational instruments onboard the ASTRO-H, and will provide 10 times better sensitivity in 60{600 keV than the past and current observatories. The SGD utilizes similar technologies to the Hard X-ray Imager (HXI) onboard the ASTRO-H. The SGD achieves low background by constraining gamma-ray events within a narrow field-of-view by Compton kinematics, in addition to the BGO active shield. In this paper, we will present the results of various tests using engineering models and also report the flight model production and evaluations.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
PublisherSPIE
Volume9144
ISBN (Print)9780819496126
DOIs
Publication statusPublished - 2014
Externally publishedYes
EventSpace Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray - Montreal
Duration: 2014 Jun 222014 Jun 26

Other

OtherSpace Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray
CityMontreal
Period14/6/2214/6/26

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Keywords

  • BGO
  • CdTe
  • Compton telescope
  • Gamma-ray
  • Polarimeter
  • Semiconductor detector
  • Silicon

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Fukazawa, Y., Tajima, H., Watanabe, S., Blandford, R., Hayashi, K., Harayama, A., Kataoka, J., Kawaharada, M., Kokubun, M., Laurent, P., Lebrun, F., Limousin, O., Madejski, G. M., Makishima, K., Mizuno, T., Mori, K., Nakamori, T., Nakazawa, K., Noda, H., ... Yuasa, T. (2014). Soft gamma-ray detector (SGD) onboard the ASTRO-H mission. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 9144). [91442C] SPIE. https://doi.org/10.1117/12.2055292