Hard x-ray imager (HXI) for the ASTRO-H Mission

Motohide Kokubun; Kazuhiro Nakazawa; Teruaki Enoto; Yasushi Fukazawa; Kirk Gilmore; Jun Kataoka; Madoka Kawaharada; Philippe Laurent; Francois Lebrun; Olivier Limousin; Kazuo Makishima; Tsunefumi Mizuno; Kunishiro Mori; Takeshi Nakamori; Masanori Ohno; Masayuki Ohta; Goro Sato; Hiroyasu Tajima; Hiromitsu Takahashi; Tadayuki Takahashi; Takaaki Tanaka; Yukikatsu Terada; Hideki Uchiyama; Yasunobu Uchiyama; Shin Watanabe; Yoichi Yatsu; Kazutaka Yamaoka

doi:10.1117/12.857933

29 July 2010 Hard x-ray imager (HXI) for the ASTRO-H Mission

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

Author Affiliations +

Proceedings Volume 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray; 773215 (2010) https://doi.org/10.1117/12.857933
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

The Hard X-ray Imager (HXI) is one of 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, the instrument fully covers the energy range of photons collected with the hard X-ray telescope up to 80 keV with a high quantum efficiency. High spatial resolution of 250 μm and an energy resolution of 1-2 keV (FWHM) are both achieved with 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 high background reduction 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.

Citation Download Citation

Motohide Kokubun, Kazuhiro Nakazawa, Teruaki Enoto, Yasushi Fukazawa, Kirk Gilmore, Jun Kataoka, Madoka Kawaharada, Philippe Laurent, Francois Lebrun, Olivier Limousin, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Masanori Ohno, Masayuki Ohta, Goro Sato, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Takaaki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Yoichi Yatsu, and Kazutaka Yamaoka "Hard x-ray imager (HXI) for the ASTRO-H Mission", Proc. SPIE 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray, 773215 (29 July 2010); https://doi.org/10.1117/12.857933

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