Soft x-ray imager (SXI) on-board ASTRO-H

被引：10

作者：

Tsunemi, Hiroshi ^{[1
]}

Hayashida, Kiyoshi ^{[1
]}

Tsuru, Takeshi Go ^{[2
]}

Dotani, Tadayasu ^{[3
]}

Nakajima, Hiroshi ^{[1
]}

Anabuki, Naohisa ^{[1
]}

Nagino, Ryo ^{[1
]}

Tanaka, Takaaki ^{[2
]}

Uchida, Hiroyuki ^{[2
]}

Ozaki, Masanobu ^{[3
]}

Natsukari, Chikara ^{[3
]}

Tomida, Hiroshi ^{[3
]}

Ueda, Shutaro ^{[3
]}

Iwai, Masachika ^{[3
]}

Nobukawa, Masayoshi ^{[4
]}

Hiraga, Junko S. ^{[5
]}

Kohmura, Takayoshi ^{[6
]}

Murakami, Hiroshi ^{[7
]}

Mori, Koji ^{[8
]}

Yamauchi, Makoto ^{[8
]}

Hatsukade, Isamu ^{[8
]}

Nishioka, Yusuke ^{[8
]}

Bamba, Aya ^{[9
]}

Nobukawa, Kumiko K. ^{[10
]}

Doty, John ^{[11
]}

机构：

[1] Osaka Univ, Grad Sch Sci, Dept Earth & Space Sci, 1-1 Machikaneyama, Toyonaka, Osaka 5600043, Japan

[2] Kyoto Univ, Dept Phys, Oiwake Cho, Kyoto 6068502, Japan

[3] JAXA, Inst Space & Astronaut Sci, Chuo Ku, 3-1-1 Yoshinodai, Sagamihara, Kanagawa 2525210, Japan

[4] Nara Univ Educ, Nara, Nara 6308528, Japan

[5] Kwansei Gakuin Univ, Dept Phys, 2-2 Gakuen, Sanda, Hyogo 6691337, Japan

[6] Tokyo Univ Sci, Dept Phys, 2641 Yamazaki, Noda, Chiba 2708510, Japan

[7] Tohoku Gakuin Univ, Dept Informat Sci, Izumi Ku, 1-3-1 Tenjinzawa, Sendai, Miyagi 9813193, Japan

[8] Miyazaki Univ, Fac Engn, 1-1 Gakuen KibanadaiNishi, Miyazaki 8892192, Japan

[9] Univ Tokyo, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan

[10] Nara Womens Univ, Kitauoyanishimachi, Nara 6308506, Japan

[11] Noqsi Aerosp Ltd, 2822 S Nova Rd, Pine, CO 80470 USA

来源：

SPACE TELESCOPES AND INSTRUMENTATION 2016: ULTRAVIOLET TO GAMMA RAY | 2016年 / 9905卷

关键词：

ASTRO-H; SXI; CCD; Back-illumination; PERFORMANCE; SATELLITE; ABOARD;

D O I：

10.1117/12.2230672

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We report here the performance of the SXI on ASTRO-H that was started its operation from March, 02 2016. The SXI consists of 4 CCDs that cover 38' x 38' sky region. They are P-channel back-illumination type CCD with a depletion layer of 200 mu m. Charge injection (CI) method is applied from its beginning of the mission. Two single stage sterling coolers are equipped with the SXI while one of them has enough power to cool the CCD to -120 degrees C. There are two issues in the SXI performance: one is a light-leak and the other is a cosmic-ray echo. The light-leak is due to the fact that the day-Earth irradiates visible lights onto the SXI body through holes in the satellite base plate. It can be avoided by selecting targets not on the anti-day-Earth direction. The cosmic-ray echo is due to the improper parameter values that is fixed by revising them with which the cosmic-ray echo does not affect the image. Using the results of RXJ1856.5-3754, we confirm that the possible contaminants on the CCD is well within our expectation.

引用

页数：11

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