29 July 2010 The high-resolution x-ray microcalorimeter spectrometer system for the SXS on ASTRO-H
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Abstract
We present the science and an overview of the Soft X-ray Spectrometer onboard the ASTRO-H mission with emphasis on the detector system. The SXS consists of X-ray focusing mirrors and a microcalorimeter array and is developed by international collaboration lead by JAXA and NASA with European participation. The detector is a 6×6 format microcalorimeter array operated at a cryogenic temperature of 50 mK and covers a 3' ×3' field of view of the X-ray telescope of 5.6 m focal length. We expect an energy resolution better than 7 eV (FWHM, requirement) with a goal of 4 eV. The effective area of the instrument will be 225 cm2 at 7 keV; by a factor of about two larger than that of the X-ray microcalorimeter on board Suzaku. One of the main scientific objectives of the SXS is to investigate turbulent and/or macroscopic motions of hot gas in clusters of galaxies.
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Kazuhisa Mitsuda, Richard L. Kelley, Kevin R. Boyce, Gregory V. Brown, Elisa Costantini, Michael J. DiPirro, Yuichiro Ezoe, Ryuichi Fujimoto, Keith C. Gendreau, Jan-Willem den Herder, Akio Hoshino, Yoshitaka Ishisaki, Caroline A. Kilbourne, Shunji Kitamoto, Dan McCammon, Masahide Murakami, Hiroshi Murakami, Mina Ogawa, Takaya Ohashi, Atsushi Okamoto, Stéphane Paltani, Martin Pohl, F. Scott Porter, Yoichi Sato, Keisuke Shinozaki, Peter J. Shirron, Gary A. Sneiderman, Hiroyuki Sugita, Andrew Szymkowiak, Yoh Takei, Toru Tamagawa, Makoto Tashiro, Yukikatsu Terada, Masahiro Tsujimoto, Cor de Vries, Hiroya Yamaguchi, Noriko Y. Yamasaki, "The high-resolution x-ray microcalorimeter spectrometer system for the SXS on ASTRO-H", Proc. SPIE 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray, 773211 (29 July 2010); doi: 10.1117/12.856778; https://doi.org/10.1117/12.856778
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