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19 April 2024 |
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EXIST: A High Sensitivity Hard X-ray Imaging Sky Survey Mission for ISS | | J. Grindlay
; L. Bildsten
; D. Chakrabarty
; M. Elvis
; A. Fabian
; F. Fiore
; N. Gehrels
; C. Hailey
; F. Harrison
; D. Hartmann
; T. Prince
; B. Ramsey
; R. Rothschild
; G. Skinner
; S. Woosley
; | | Date: |
18 Dec 1999 | | Subject: | astro-ph | | Abstract: | A deep all-sky imaging hard x-ray survey and wide-field monitor is needed to extend soft (ROSAT) and medium (ABRIXAS2) x-ray surveys into the 10-100 keV band (and beyond) at comparable sensitivity (~0.05 mCrab). This would enable discovery and study of >3000 obscured AGN, which probably dominate the hard x-ray background; detailed study of spectra and variability of accreting black holes and a census of BHs in the Galaxy; Gamma-ray bursts and associated massive star formation (PopIII) at very high redshift and Soft Gamma-ray Repeaters throughout the Local Group; and a full galactic survey for obscured supernova remnants. The Energetic X-ray Imaging Survey Telescope (EXIST) is a proposed array of 8 x 1m^2 coded aperture telescopes fixed on the International Space Station (ISS) with 160deg x 40deg field of view which images the full sky each 90 min orbit. EXIST has been included in the most recent NASA Strategic Plan as a candidate mission for the next decade. An overview of the science goals and mission concept is presented. | | Source: | arXiv, astro-ph/9912394 | | Services: | Forum | Review | PDF | Favorites | |
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