Hard X-ray Detector (HXD) on board Suzaku

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作者
Department of High Energy Astrophysics, Institute of Space and Astronautical Science , Japan Aerospace Exploration Agency , 3-1-1 Yoshinodai, Sagamihara, Kanagawa 229-8510, Japan [1 ]
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机构
[1] Department of High Energy Astrophysics, Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), Sagamihara, Kanagawa 229-8510
[2] Department of Physics, School of Science, University of Tokyo, Bunkyo-ku, Tokyo 113-0033
[3] Department of Physics, Saitama University, Sakura, Saitama 338-8570
[4] Mitsubishi Heavy Industry, Co., Ltd., Nagoya Guidance and Propulsion Systems Works, Komaki, Aichi 485-8561
[5] Department of Physical Science, Hiroshima University, Hiroshima 739-8526
[6] Meisei Electric, Co., Ltd., Isezaki, Gunma 372-8585
[7] Institute of Physical and Chemical Research (RIKEN), Wako, Saitama 351-0198
[8] Stanford Linear Accelerator Center (SLAC), Menlo Park, CA 94025
[9] Clear Pulse, Co., Ltd., Ota-ku, Tokyo 143-0024
[10] Department of Physics, Kanazawa University, Kanazawa, Ishikawa 920-1192, Kakuma-machi
[11] Department of Physics, Osaka University, Toyonaka, Osaka 560-0043
[12] SSD Corp., Toride, Ibaraki 302-0034
[13] Department of Physics and Mathematics, Aoyama Gakuin University, Sagmihara, Kanagawa 229-8558
[14] Fujitsu System Solutions Ltd., Bunkyo Green Court Center Office, Bunkyo-ku, Tokyo 113-0021
[15] Mitsubishi Electric Company, Kamakura, Kanagawa 247-8520
[16] Nihon University, Funabashi, Chiba 274-8501
[17] Goldman Sachs, Japan Ltd., Minato-ku, Tokyo 101-6144
[18] NASA/Goddard Space Flight Center, Greenbelt
[19] Ministry of Economy, Trade, and Industry, Chiyoda-ku
[20] Tokyo Institute of Technology, Meguro-ku, Tokyo 152-8551
[21] Japan Patent Office, Chiyoda-ku
[22] Tecnets Co., Suwa, Nagano 392-8502
[23] Agilent Technologies Japan, Ltd., Hachioji, Tokyo 192-8510
[24] NEC-Toshiba Sapce Systems, Ltd., Fuchu, Tokyo 183-8551
[25] ITFOR Inc., Chiyoda-ku, Tokyo 102-0082
[26] Hitachi Ltd., Hitachi, Ibaraki 319-1292
来源
Publ. Astron. Soc. Jpn. | 2007年 / 1 SPEC. ISS.卷 / S35-S51期
关键词
Instrumentation: detectors; X-rays: general;
D O I
10.1093/pasj/59.sp1.s35
中图分类号
学科分类号
摘要
The Hard X-ray Detector (HXD) on board Suzaku covers a wide energy range from 10keV to 600 keV by the combination of silicon PIN diodes and GSO scintillators. The HXD is designed to achieve an extremely low in-orbit background based on a combination of new techniques, including the concept of a well-type active shield counter. With an effective area of 142cm2 at 20keV and 273cm2 at 150keV, the background level at sea level reached ∼ 1 × 10-5 cts s-1 cm-2keV -1 at 30 keV for the PIN diodes, and ∼ 2 × 10-5 cts s-1 cm-2keV-1 at 100keV, and ∼ 7 × 10-6 cts s-1 cm-2keV-1 at 200keV for the phoswich counter. Tight active shielding of the HXD results in a large array of guard counters surrounding the main detector parts. These anti-coincidence counters, made of ∼ 4cm thick BGO crystals, have a large effective area for sub-MeV to MeV x-rays. They work as an excellent y-ray burst monitor with limited angular resolution (∼ 5°). The on-board signal-processing system and the data transmitted to the ground are also described. © 2007. Astronomical Society of Japan.
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页码:S35 / S51
页数:16
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