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Proceedings Paper

Calibration of Astro-D telescope with an x-ray pencil beam
Author(s): Yoshiyuki Tsusaka; Hisanori Suzuki; Hisamitsu Awaki; Koujun Yamashita; Hideyo Kunieda; Yuzuru Tawara; Yasushi Ogasaka; Yasuhiro Uchibori; Hirohiko Honda; Masayuki Itoh; Hiroshi Tsunemi; Kiyoshi Hayashida; Susumu Nomoto; Mikio Wada; Emi Miyata; Peter J. Serlemitsos; Lalit Jalota; Yang Soong
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Paper Abstract

The x-ray optical properties of X-Ray Telescopes (XRTs) on board Asca were evaluated with an x-ray pencil beam at ISAS 30 m x-ray beam line. The total effective area of four XRTs is obtained to be about 1300 cm2, 800 cm2, and 450 cm2 at each energy of 1.5 keV, 4.5 keV, and 8.0 keV, respectively. These values are about 15% less than those calculated by ray tracing method in an ideal case. The shadow effect of closely packed foils might be the main reason for the degradation of effective area. The Point Spread Function of XRT was also measured by an x-ray CCD. We have also measured the contamination of stray light, which were caused by the one time reflected photons (by primary or secondary mirror) and photons reflected on the back side surface of the mirror shells. The stray light profile and intensity were consistent to the results simulated by the ray tracing.

Paper Details

Date Published: 1 February 1994
PDF: 7 pages
Proc. SPIE 2011, Multilayer and Grazing Incidence X-Ray/EUV Optics II, (1 February 1994); doi: 10.1117/12.167219
Show Author Affiliations
Yoshiyuki Tsusaka, Nagoya Univ. (Japan)
Hisanori Suzuki, Nagoya Univ. (Japan)
Hisamitsu Awaki, Nagoya Univ. (Japan)
Koujun Yamashita, Nagoya Univ. (Japan)
Hideyo Kunieda, Nagoya Univ. (Japan)
Yuzuru Tawara, Nagoya Univ. (Japan)
Yasushi Ogasaka, Institute of Space and Astronautical Science (Japan)
Yasuhiro Uchibori, Institute of Space and Astronautical Science (Japan)
Hirohiko Honda, Institute of Space and Astronautical Science (Japan)
Masayuki Itoh, Institute of Space and Astronautical Science (Japan)
Hiroshi Tsunemi, Osaka Univ. (Japan)
Kiyoshi Hayashida, Osaka Univ. (Japan)
Susumu Nomoto, Osaka Univ. (Japan)
Mikio Wada, Osaka Univ. (Japan)
Emi Miyata, Osaka Univ. (Japan)
Peter J. Serlemitsos, NASA Goddard Space Flight Ctr. (United States)
Lalit Jalota, NASA Goddard Space Flight Ctr. (United States)
Yang Soong, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 2011:
Multilayer and Grazing Incidence X-Ray/EUV Optics II
Richard B. Hoover, Editor(s)

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