Calibration of Astro-D telescope with an x-ray pencil beam

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

doi:10.1117/12.167219

1 February 1994 Calibration of Astro-D telescope with an x-ray pencil beam

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

Author Affiliations +

Proceedings Volume 2011, Multilayer and Grazing Incidence X-Ray/EUV Optics II; (1994) https://doi.org/10.1117/12.167219
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

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.

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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, and Yang Soong "Calibration of Astro-D telescope with an x-ray pencil beam", Proc. SPIE 2011, Multilayer and Grazing Incidence X-Ray/EUV Optics II, (1 February 1994); https://doi.org/10.1117/12.167219

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