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Proceedings Paper

ASTRO-H Hard X-ray Telescope (HXT)
Author(s): Hisamitsu Awaki; Hideyo Kunieda; Akihiro Furuzawa; Yoshito Haba; Takayuki Hayashi; Ryo Iizuka; Kazunori Ishibashi; Manabu Ishida; Masayuki Itoh; Tatsuro Kosaka; Yoshitomo Maeda; Hironori Matsumoto; Takuya Miyazawa; Hideyuki Mori; Hosei Nagano; Yoshiharu Namba; Yasushi Ogasaka; Keiji Ogi; Takashi Okajima; Satoshi Sugita; Yoshio Suzuki; Keisuke Tamura; Yuzuru Tawara; Kentaro Uesugi; Koujun Yamashita; Shigeo Yamauchi
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Paper Abstract

The new Japanese X-ray Astronomy satellite, ASTRO-H will carry two identical hard X-ray telescopes (HXTs), which cover 5 to 80 keV, in order to provide new insights into frontier of X-ray astronomy. The HXT mirror surfaces are coated with Pt/C depth-graded multilayers to enhance hard X-ray effective area by means of Bragg reflection, and 213 mirror reflectors with a thickness of 0.22 mm are tightly nested confocally in a telescope. The production of FM HXT-1 and HXT-2 were completed in 2012 and 2013, respectively. The X-ray performance of HXTs were measured at the synchrotron radiation facility SPring-8/ BL20B2 Japan. The total effective area of two HXTs is about 350 cm2 at 30 keV and the angular resolution of HXT is about 1.’9 in half power diameter at 30 keV. The HXTs are in the clean room at ISAS for waiting the final integration test.

Paper Details

Date Published: 24 July 2014
PDF: 9 pages
Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 914426 (24 July 2014); doi: 10.1117/12.2054633
Show Author Affiliations
Hisamitsu Awaki, Ehime Univ. (Japan)
Hideyo Kunieda, Nagoya Univ. (Japan)
Akihiro Furuzawa, Nagoya Univ. (Japan)
Yoshito Haba, Nagoya Univ. (Japan)
Takayuki Hayashi, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Ryo Iizuka, Chuo Univ. (Japan)
Kazunori Ishibashi, Nagoya Univ. (Japan)
Manabu Ishida, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Masayuki Itoh, Kobe Univ. (Japan)
Tatsuro Kosaka, Kochi Univ. of Technology (Japan)
Yoshitomo Maeda, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Hironori Matsumoto, Nagoya Univ. (Japan)
Takuya Miyazawa, Nagoya Univ. (Japan)
Hideyuki Mori, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (Japan)
Hosei Nagano, Nagoya Univ. (Japan)
Yoshiharu Namba, Chubu Univ. (Japan)
Yasushi Ogasaka, Japan Science and Technology Agency (Japan)
Keiji Ogi, Ehime Univ. (Japan)
Takashi Okajima, NASA Goddard Space Flight Ctr. (United States)
Satoshi Sugita, Ehime Univ. (Japan)
Yoshio Suzuki, Japan Synchrotron Radiation Research Institute (Japan)
Keisuke Tamura, Nagoya Univ. (Japan)
Yuzuru Tawara, Nagoya Univ. (Japan)
Kentaro Uesugi, Japan Synchrotron Radiation Research Institute (Japan)
Koujun Yamashita, Japan Science and Technology Agency (Japan)
Shigeo Yamauchi, Nara Women's Univ. (Japan)


Published in SPIE Proceedings Vol. 9144:
Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray
Tadayuki Takahashi; Jan-Willem A. den Herder; Mark Bautz, Editor(s)

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