Hard X-ray Imager (HXI) for the NeXT mission

Motohide Kokubun, Kazuhiro Nakazawa, Shin Watanabe, Yasushi Fukazawa, Jun Kataoka, Hideaki Katagiri, Tsunefumi Mizuno, Kazuo Makishima, Masanori Ohno, Goro Sato, Rie Sato, Hiroyasu Tajima, Tadayuki Takahashi, Toru Tamagawa, Takaaki Ta Na Ka, Makoto Tashiro, Hiromitsu Takahashi, Yukikatsu Terada, Yasunobu Uchiyama, Yuji UrataKazutaka Yamaoka, Shin'ichiro Takeda, Tetsuichi Kishishita, Masayoshi Ushio, Jun'ichiro Katsuta, Shin'nosuke Ishikawa, Hirokazu Odaka, Hiroyuki Aono, Souichiro Sugimoto, Yuu Koseki, Takao Kitaguchi, Teruaki Enoto, Shin'ya Yamada, Takayuki Yuasa, Tsuyoshi Ueda, Yuichi Uehara, Sho Okuyama, Hajimu Yasuda, Sho Nishino, Yudai Umeki, Katsuhiro Hayashi, Masayuki Matsuoka, Yuki Ikejiri, Akira Endo, Yuichi Yaji, Natsuki Kodaka, Wataru Iwakiri, Tomomi Kouzu, Takako Sugasawara, Atsushi Harayama, Satoshi Nakahira

Research output: Chapter in Book/Report/Conference proceedingConference contribution

25 Citations (Scopus)

Abstract

The Hard X-ray Imager (HXI) is one of three focal plane detectors on board the NeXT (New exploration X-ray Telescope) mission, which is scheduled to be launched in 2013. By use of the hybrid structure composed of double-sided silicon strip detectors and a cadmium telluride strip detector, it fully covers the energy range of photons collected with the hard X-ray telescope up to 80 keV with a high quantum efficiency. High spatial resolutions of 400 micron pitch and energy resolutions of 1-2 keV (FWMH) are at the same time achieved with low noise front-end ASICs. In addition, thick BGO active shields compactly surrounding the main detection part, as a heritage of the successful performance of the Hard X-ray Detector (HXD) on board Suzaku satellite, enable to achive an extremely high background reduction for the cosmic-ray particle background and in-orbit activation. The current status of hardware development including the design requirement, expected performance, and technical readinesses of key technologies are summarized.

Original languageEnglish
Title of host publicationSpace Telescopes and Instrumentation 2008
Subtitle of host publicationUltraviolet to Gamma Ray
DOIs
Publication statusPublished - 2008
Externally publishedYes
EventSpace Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray - Marseille, France
Duration: 2008 Jun 232008 Jun 28

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7011
ISSN (Print)0277-786X

Conference

ConferenceSpace Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray
CountryFrance
CityMarseille
Period08/6/2308/6/28

Keywords

  • Hard X-ray Imager
  • Next mission
  • X-ray astronomy

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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  • Cite this

    Kokubun, M., Nakazawa, K., Watanabe, S., Fukazawa, Y., Kataoka, J., Katagiri, H., Mizuno, T., Makishima, K., Ohno, M., Sato, G., Sato, R., Tajima, H., Takahashi, T., Tamagawa, T., Ka, T. T. N., Tashiro, M., Takahashi, H., Terada, Y., Uchiyama, Y., ... Nakahira, S. (2008). Hard X-ray Imager (HXI) for the NeXT mission. In Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray [70110R] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 7011). https://doi.org/10.1117/12.788290