Preflight performance of the ASTRO-E hard-x-ray detector

Chiharu Tanihata; Jun Kataoka; Toshio Murakami; Naomi Ota; Hideki Ozawa; Tadayuki Takahashi; Takayuki Tamura; Yasunobu Uchiyama; S. Watanabe; Kazutaka Yamaoka; D. Yonetoku; Y. Ezoe; Yasushi Fukazawa; Naoki Isobe; Naoko Iyomoto; Tuneyoshi Kamae; Motohide Kokubun; J. Kotoku; Aya Kubota; Kazuo Makishima; Yukari Matsumoto; Tsunefumi Mizuno; Kazuhiro Nakazawa; Tomohisa Onishi; Masahiko Sugiho; Ikuya Takahashi; Masaaki Tanaka; Makoto Tashiro; Yukikatsu Terada; Masaharu Nomachi; Atsumasa Yoshida; M. Hamaya; M. Horii; Koji Taguchi; N. Morita; I. Odagi; Kunihiko Sato; Y. Tanaka; Kunishiro Mori

doi:10.1117/12.366546

22 October 1999 Preflight performance of the ASTRO-E hard-x-ray detector

Chiharu Tanihata, Jun Kataoka, Toshio Murakami, Naomi Ota, Hideki Ozawa, Tadayuki Takahashi, Takayuki Tamura, Yasunobu Uchiyama, S. Watanabe, Kazutaka Yamaoka, D. Yonetoku, Y. Ezoe, Yasushi Fukazawa, Naoki Isobe, Naoko Iyomoto, Tuneyoshi Kamae, Motohide Kokubun, J. Kotoku, Aya Kubota, Kazuo Makishima, Yukari Matsumoto, Tsunefumi Mizuno, Kazuhiro Nakazawa, Tomohisa Onishi, Masahiko Sugiho, Ikuya Takahashi, Masaaki Tanaka, Makoto Tashiro, Yukikatsu Terada, Masaharu Nomachi, Atsumasa Yoshida, M. Hamaya, M. Horii, Koji Taguchi, N. Morita, I. Odagi, Kunihiko Sato, Y. Tanaka, Kunishiro Mori

Author Affiliations +

Proceedings Volume 3765, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy X; (1999) https://doi.org/10.1117/12.366546
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

The hard x-ray detector (HXD) is one of the three experiments of the Astro-E mission, the fifth Japanese X-ray Satellite devoted to studies of high energy phenomena in the universe in the x-ray to soft gamma-ray region. Prepared for launch at the beginning of 200 via the newly developed M-V launch vehicle of the Institute of Space and Astronomical Science, the Astro-E is to be thrown in to a near-circular orbit of 550 km altitude, with an inclination of 31 degrees. The flight model has been finished assembled this year, and we carried out various tests to verify the performance. We acquired the background spectrum at sea level, and confirmed that our system is operating effectively in reducing the background level. The HXD will observe photons in the energy range of 10-600 keV, and the calculations based on the preflight calibration suggest that the HXD will have the highest sensitivity ever achieved in this energy range. We also verified that our electronic system will maintain its performance against charged particle events expected in orbit.

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Chiharu Tanihata, Jun Kataoka, Toshio Murakami, Naomi Ota, Hideki Ozawa, Tadayuki Takahashi, Takayuki Tamura, Yasunobu Uchiyama, S. Watanabe, Kazutaka Yamaoka, D. Yonetoku, Y. Ezoe, Yasushi Fukazawa, Naoki Isobe, Naoko Iyomoto, Tuneyoshi Kamae, Motohide Kokubun, J. Kotoku, Aya Kubota, Kazuo Makishima, Yukari Matsumoto, Tsunefumi Mizuno, Kazuhiro Nakazawa, Tomohisa Onishi, Masahiko Sugiho, Ikuya Takahashi, Masaaki Tanaka, Makoto Tashiro, Yukikatsu Terada, Masaharu Nomachi, Atsumasa Yoshida, M. Hamaya, M. Horii, Koji Taguchi, N. Morita, I. Odagi, Kunihiko Sato, Y. Tanaka, and Kunishiro Mori "Preflight performance of the ASTRO-E hard-x-ray detector", Proc. SPIE 3765, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy X, (22 October 1999); https://doi.org/10.1117/12.366546

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