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Proceedings Paper

Hard x-ray telescope concentrator for astrophysical mission Spectrum-X-Gamma
Author(s): M. Pavlinsky; V. Arefiev; E. Churazov; M. Gilfanov; S. Grigorovich; D. Litvin; I. Lapshov; V. Levin; V. Akimov; N. Semena; A. Tkachenko; A. Vikhlinin; R. Sunyaev; B. D. Ramsey; M. V. Gubarev; R. F. Elsner; S. L. O'Dell; M. C. Weisskopf
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Paper Abstract

The hard X-ray telescope-concentrator ART-XC on board the Spectrum-X-Gamma X-ray astrophysical observatory (launching in 2011) is one of the main instruments of the mission. The instrument will be used for an all-sky survey and then for pointed observations which are planned for the first four and the next three years of the Mission, respectively. ART-XC will be sensitive in the 4-30 keV energy range and will have an effective area of several hundred square centimeters at 10 keV. It will have a field of view of about ~28 arcmin, angular resolution better than 1 arcmin and will be an order of magnitude more sensitive than the current generation of collimated instruments and coded mask telescopes in the survey mode and a two or three orders of magnitude more sensitive in the pointing mode. With its high sensitivity in the hard X-ray band and good imaging capabilities, ART-XC will extend the operating energy range of the observatory (complementing the capabilities of the primary science instrument eROSITA), thus significantly enhancing the mission both in the all-sky survey over the energy band 4-10 keV and, especially, in pointed observations over the energy band 4-30 keV. During the 4-year survey, this ART-XC would detect more than ~104 sources over 4-10 keV. For a 105 second pointed observation, the telescope will provide better than 10 microCrab sensitivity in the 4-20 keV energy range.

Paper Details

Date Published: 20 September 2007
PDF: 9 pages
Proc. SPIE 6688, Optics for EUV, X-Ray, and Gamma-Ray Astronomy III, 66880L (20 September 2007); doi: 10.1117/12.733874
Show Author Affiliations
M. Pavlinsky, Space Research Institute (Russia)
V. Arefiev, Space Research Institute (Russia)
E. Churazov, Space Research Institute (Russia)
Max-Planck-Institute for Astrophysics (Germany)
M. Gilfanov, Space Research Institute (Russia)
Max-Planck-Institute for Astrophysics (Germany)
S. Grigorovich, All-Russian Scientific Research Institute for Experimental Physics (Russia)
D. Litvin, All-Russian Scientific Research Institute for Experimental Physics (Russia)
I. Lapshov, Space Research Institute (Russia)
V. Levin, Space Research Institute (Russia)
V. Akimov, Space Research Institute (Russia)
N. Semena, Space Research Institute (Russia)
A. Tkachenko, Space Research Institute (Russia)
A. Vikhlinin, Space Research Institute (Russia)
Harvard-Smithsonian Ctr. for Astrophysics (United States)
R. Sunyaev, Space Research Institute (Russia)
Max-Planck-Institute for Astrophysics (Germany)
B. D. Ramsey, NASA Marshall Space Flight Ctr. (United States)
M. V. Gubarev, Universities Space Research Association (United States)
R. F. Elsner, NASA Marshall Space Flight Ctr. (United States)
S. L. O'Dell, NASA Marshall Space Flight Ctr. (United States)
M. C. Weisskopf, NASA Marshall Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 6688:
Optics for EUV, X-Ray, and Gamma-Ray Astronomy III
Stephen L. O'Dell; Giovanni Pareschi, Editor(s)

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