From: LARRY KLAES (ljk4_at_msn.com)
Date: Tue Jul 11 2006 - 12:09:18 PDT
From: Noriko Yamasaki [view email]
Date: Fri, 7 Jul 2006 09:35:43 GMT (693kb)
DIOS: the Diffuse Intergalactic Oxygen Surveyor
Authors: T. Ohashi, M. Ishida, S. Sasaki, Y. Ishisaki, K. Mitsuda, N. Y.
Yamasaki, R. Fujimoto, Y. Takei, Y. Tawara, A. Furuzawa, Y. Suto, K.
Yoshikawa, H. Kawahara, N. Kawai, T. G. Tsuru, K. Matsushita, T. Kitayama
Comments: 9 pages, 11 figures, a proceedings of SPIE "Astronomical
Telescopes and Instrumentation" 2006
We present our proposal for 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 design of the satellite, performance of the
subsystems and the expected results.
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