31 July 2014 The Hard X-ray Imager (HXI) for the ASTRO-H Mission
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Abstract
The 6th Japanese X-ray satellite, ASTRO-H, is scheduled for launch in 2015. The hard X-ray focusing imaging system will observe astronomical objects with the sensitivity for detecting point sources with a brightness of 1/100,000 times fainter than the Crab nebula at > 10 keV. The Hard X-ray Imager (HXI) is a focal plane detector 12 m below the hard X-ray telescope (HXT) covering the energy range from 5 to 80 keV. The HXI is composed of a stacked Si/CdTe semiconductor detector module and surrounding BGO scintillators. The latter work as active shields for efficient reduction of background events caused by cosmic-ray particles, cosmic X-ray background, and in-orbit radiation activation. In this paper, we describe the detector system, and present current status of flight model development, and performance of HXI using an engineering model of HXI.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Goro Sato, Goro Sato, Motohide Kokubun, Motohide Kokubun, Kazuhiro Nakazawa, Kazuhiro Nakazawa, Teruaki Enoto, Teruaki Enoto, Yasushi Fukazawa, Yasushi Fukazawa, Atsushi Harayama, Atsushi Harayama, Katsuhiro Hayashi, Katsuhiro Hayashi, Jun Kataoka, Jun Kataoka, Junichiro Katsuta, Junichiro Katsuta, Madoka Kawaharada, Madoka Kawaharada, Philippe Laurent, Philippe Laurent, François Lebrun, François Lebrun, Olivier Limousin, Olivier Limousin, Kazuo Makishima, Kazuo Makishima, Tsunefumi Mizuno, Tsunefumi Mizuno, Kunishiro Mori, Kunishiro Mori, Takeshi Nakamori, Takeshi Nakamori, Hirofumi Noda, Hirofumi Noda, Hirokazu Odaka, Hirokazu Odaka, Masanori Ohno, Masanori Ohno, Masayuki Ohta, Masayuki Ohta, Shinya Saito, Shinya Saito, Rie Sato, Rie Sato, Hiroyasu Tajima, Hiroyasu Tajima, Hiromitsu Takahashi, Hiromitsu Takahashi, Tadayuki Takahashi, Tadayuki Takahashi, Shinichiro Takeda, Shinichiro Takeda, Yukikatsu Terada, Yukikatsu Terada, Hideki Uchiyama, Hideki Uchiyama, Yasunobu Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Shin Watanabe, Kazutaka Yamaoka, Kazutaka Yamaoka, Yoichi Yatsu, Yoichi Yatsu, Takayuki Yuasa, Takayuki Yuasa, } "The Hard X-ray Imager (HXI) for the ASTRO-H Mission", Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 914427 (31 July 2014); doi: 10.1117/12.2055629; https://doi.org/10.1117/12.2055629
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