Development and qualification of the HXD-II onboard Astro-E2

被引:51
作者
Kawaharada, M [1 ]
Hong, SJ [1 ]
Murashima, MM [1 ]
Kokubun, M [1 ]
Itoh, T [1 ]
Makishima, K [1 ]
Miyawaki, R [1 ]
Niko, H [1 ]
Yanagida, T [1 ]
Mitani, T [1 ]
Nakazawa, K [1 ]
Oonuki, K [1 ]
Takahashi, T [1 ]
Tamura, KI [1 ]
Tanaka, T [1 ]
Terada, Y [1 ]
Fukazawa, Y [1 ]
Kawano, N [1 ]
Kawashima, K [1 ]
Ohno, M [1 ]
Yamaoka, K [1 ]
Abe, K [1 ]
Suzuki, M [1 ]
Tashiro, M [1 ]
Yonetoku, D [1 ]
Murakami, T [1 ]
机构
[1] Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 113, Japan
来源
HIGH-ENERGY DETECTORS IN ASTRONOMY | 2004年 / 5501卷
关键词
X-ray astronomy; Astro-E2; HXD-II;
D O I
10.1117/12.551051
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
The Hard X-ray Detector (HXD-II), one of instruments onboard the Astro-E2 satellite to be launched in February 2005, is in the final stage of its development. The HXD-II probes the universe in the energy range of 10-600 keV with a sensitivity by an order of magnitude better than those of previous missions. The assembly of the HXD-II completed in January 2004, followed by a series of pre-launch qualification tests. As a result, the design goals of the HXD-II have been met. These include; a background level of 5x10(-6) counts/s/keV/cm(2) at 200 keV for GSO and 1x10(-5) counts/s/keV/cm(2) at 30 keV for PIN; energy resolutions of 2.9 keV (PIN diode, at 59.5 keV) and 10% (GSO scintillator, at 662 keV); and low energy thresholds of 10 keV for PIN diodes and 30 keV for GSO scintillators. The measured background predicts a continuum sensitivity of a few x10(-6) photons/s/keV/cm(2). Anti-Counter units surrounding the HXD-II provide 50 keV-5 MeV information on gamma-ray bursts and bright X-ray transients.
引用
收藏
页码:286 / 295
页数:10
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