The Hard X-ray Imager (HXI) for the ASTRO-H mission

Motohide Kokubun*, Kazuhiro Nakazawa, Teruaki Enoto, Yasushi Fukazawa, Jun Kataoka, Madoka Kawaharada, Philippe Laurent, Francois Lebrun, Olivier Limousin, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Goro Sato, Rie Sato, Hiroyasu Tajima, Hiromitsu TakahashiTadayuki Takahashi, Takaaki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Yoichi Yatsu, Takayuki Yuasa

*この研究の対応する著者

研究成果: Conference contribution

28 被引用数 (Scopus)

抄録

The Hard X-ray Imager (HXI) is one of the four detectors on board the ASTRO-H mission (6th Japanese X-ray satellite), which is scheduled to be launched in 2014. Using the hybrid structure composed of double-sided silicon strip detectors and a cadmium telluride double-sided strip detector, both with a high spatial resolution of 250 μm. Combined with the hard X-ray telescope (HXT), it consists a hard X-ray imaging spectroscopic instrument covering the energy range from 5 to 80 keV with an effective area of >300 cm2 in total at 30 keV. An energy resolution of 1-2 keV (FWHM) and lower threshold of 5 keV are both achieved with using a low noise front-end ASICs. In addition, the thick BGO active shields surrounding the main detector package is a heritage of the successful performance of the Hard X-ray Detector on board the Suzaku satellite. This feature enables the instrument to achieve an extremely good reduction of background caused by cosmic-ray particles, cosmic X-ray background, and in-orbit radiation activation. In this paper, we present the detector concept, design, latest results of the detector development, and the current status of the hardware.

本文言語English
ホスト出版物のタイトルSpace Telescopes and Instrumentation 2012
ホスト出版物のサブタイトルUltraviolet to Gamma Ray
DOI
出版ステータスPublished - 2012
イベントSpace Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray - Amsterdam, Netherlands
継続期間: 2012 7 12012 7 6

出版物シリーズ

名前Proceedings of SPIE - The International Society for Optical Engineering
8443
ISSN(印刷版)0277-786X

Conference

ConferenceSpace Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray
国/地域Netherlands
CityAmsterdam
Period12/7/112/7/6

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • コンピュータ サイエンスの応用
  • 応用数学
  • 電子工学および電気工学

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