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Proceedings Paper

X-ray imaging spectrometer (XIS) on board Astro-E2
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Paper Abstract

We report on design updates for the XIS (X-ray Imaging Spectrometer) on-board the Astro-E2 satellite. Astro-E2 is a recovery mission of Astro-E, which was lost during launch in 2000. Astro-E2 carries a total of 5 X-ray telescopes, 4 of which have XIS sensors as their focal plane detectors. Each XIS CCD camera covers a field of view of 19×19 arcmin in the energy range of 0.4-12 keV. The design of the Astro-E2 XIS is basically the same as that for Astro-E, but some improvements will be implemented. These are (1) CCD charge injection capability, (2) a revised heat-sink assembly, and (3) addition of a 55Fe radio-isotope on the door. Charge injection may be used to compensate for and calibrate radiation-induced degradation of the CCD charge transfer efficiency. This degradation is expected to become significant after a few year's operation in space. The new heat-sink assembly is expected to increase the mechanical reliability and cooling capability of the XIS sensor. The new radio-isotope on the door will provide better calibration data. We present details of these improvements and summarize the overall design of the XIS.

Paper Details

Date Published: 11 March 2003
PDF: 9 pages
Proc. SPIE 4851, X-Ray and Gamma-Ray Telescopes and Instruments for Astronomy, (11 March 2003); doi: 10.1117/12.461313
Show Author Affiliations
Tadayasu Dotani, Institute of Space and Astronautical Science (Japan)
Masanobu Ozaki, Institute of Space and Astronautical Science (Japan)
Hiroshi Murakami, Institute of Space and Astronautical Science (Japan)
Katsuji Koyama, Kyoto Univ. (Japan)
Takeshi G. Tsuru, Kyoto Univ. (Japan)
Hironori Matsumoto, Kyoto Univ. (Japan)
Hiroshi Tsunemi, Osaka Univ. (Japan)
Kiyoshi Hayashida, Osaka Univ. (Japan)
Emi Miyata, Osaka Univ. (Japan)
Shunji Kitamoto, Rikkyo Univ. (Japan)
Hisamitsu Awaki, Ehime Univ. (Japan)
Mark W. Bautz, Massachusetts Institute of Technology (United States)
John P. Doty, Massachusetts Institute of Technology (United States)
George R. Ricker, Massachusetts Institute of Technology (United States)
Richard F. Foster, Massachusetts Institute of Technology (United States)
Gregory Y. Prigozhin, Massachusetts Institute of Technology (United States)
Steven E. Kissel, Massachusetts Institute of Technology (United States)
Barry E. Burke, MIT Lincoln Lab (United States)
Allen D. Pillsbury, MIT Lincoln Lab (United States)


Published in SPIE Proceedings Vol. 4851:
X-Ray and Gamma-Ray Telescopes and Instruments for Astronomy
Joachim E. Truemper; Harvey D. Tananbaum, Editor(s)

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