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Proceedings Paper

The x-ray microcalorimeter on the NeXT mission
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Paper Abstract

The Soft X-ray Spectrometer (SXS) onboard the NeXT (New exploration X-ray Telescope) is an X-ray spectrometer utilizing an X-ray microcalorimeter array. Combined with the soft X-ray telescope of 6 m focal length, the instrument will have a ~ 290cm2 effective at 6.7 keV. With the large effective area and the energy resolution as good as 6 eV (FWHM), the instrument is very suited for the high-resolution spectroscopy of iron K emission line. One of the major scientific objectives of SXS is to determine turbulent and/or macroscopic motions of the hot gas in clusters of galaxies of up to z ~ 1. The instruments will use 6 × 6 or 8 × 8 format microcalorimeter array which is similar to that of Suzaku XRS. The detector will be cooled to a cryogenic temperature of 50 mK by multi-stage cooling system consisting of adiabatic demagnetization refrigerator, super fluid He, a 3He Joule Thomson cooler, and double-stage stirling cycle cooler.

Paper Details

Date Published: 15 July 2008
PDF: 8 pages
Proc. SPIE 7011, Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray, 70112K (15 July 2008); doi: 10.1117/12.787952
Show Author Affiliations
Kazuhisa Mitsuda, Institute of Space and Astronautical Science, JAXA (Japan)
Noriko Y. Yamasaki, Institute of Space and Astronautical Science, JAXA (Japan)
Keisuke Shinozaki, Institute of Space and Astronautical Science, JAXA (Japan)
Yoh Takei, Institute of Space and Astronautical Science, JAXA (Japan)
Takao Nakagawa, Institute of Space and Astronautical Science, JAXA (Japan)
Hiroyuki Sugita, Aerospace Research and Development Directorate, JAXA (Japan)
Yohichi Satoh, Aerospace Research and Development Directorate, JAXA (Japan)
Ryuichi Fujimoto, Kanazawa Univ. (Japan)
Takaya Ohashi, Tokyo Metropolitan Univ. (Japan)
Yoshitaka Ishisaki, Tokyo Metropolitan Univ. (Japan)
Yuichiro Ezoe, Tokyo Metropolitan Univ. (Japan)
Masahide Murakami, Tsukuba Univ. (Japan)
Makoto Tashiro, Saitama Univ. (Japan)
Yukikatsu Terada, Saitama Univ. (Japan)
Shunji Kitamoto, Rikkyo Univ. (Japan)
Toru Tamagawa, RIKEN (Japan)
Madoka Kawaharada, RIKEN (Japan)
Tatehiro Mihara, RIKEN (Japan)
Richard L. Kelley, NASA Goddard Space Flight Ctr. (United States)
Caroline A. Kilbourne, NASA Goddard Space Flight Ctr. (United States)
F. Scott Porter, NASA Goddard Space Flight Ctr. (United States)
Peter J. Shirron, NASA Goddard Space Flight Ctr. (United States)
Michael J. DiPirro, NASA Goddard Space Flight Ctr. (United States)
Dan McCammon, Univ. of Wisconsin (United States)
Jan-Willem den Herder, SRON Netherlands Institute for Space Research (Netherlands)


Published in SPIE Proceedings Vol. 7011:
Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray
Martin J. L. Turner; Kathryn A. Flanagan, Editor(s)

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