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15 July 2008 Status of the DIOS mission
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We present the current status of a small X-ray mission DIOS (Diffuse Intergalactic Oxygen Surveyor), consisting of a 4-stage X-ray telescope and an array of TES microcalorimeters, cooled with mechanical coolers, with a total weight of about 400 kg. The mission will perform survey observations of warm-hot intergalactic medium using OVII and OVIII emission lines, with the energy coverage up to 1.5 keV. The wide field of view of about 50' diameter, superior energy resolution close to 2 eV FWHM, and very low background will together enable us a wide range of science for diffuse X-ray sources. We briefly describe the current status of the development of the satellite, and the subsystems.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Y. Tawara, I. Sakurai, A. Furuzawa, T. Ohashi, Y. Ishisaki, Y. Ezoe, A. Hoshino, H. Akamatsu, K. Ishikawa, K. Mitsuda, N. Y. Yamasaki, Y. Takei, K. Shinozaki, K. Masui, T. Yoshino, T. Hagihara, S. Kimura, and H. Yoshitake "Status of the DIOS mission", Proc. SPIE 7011, Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray, 70111H (15 July 2008);


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