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28 March 2024
 
  » arxiv » astro-ph/9712359

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Proposed (to) EXIST: Hard X-ray Imaging All Sky Survey/Monitor
J.E. Grindlay ; T.A. Prince ; F. Harrison ; N. Gehrels ; C.J. Hailey ; B. Ramsey ; M.C. Weisskopf ; G.K. Skinner ; P. Ubertini ;
Date 1 Dec 1997
Subject astro-ph
AbstractThe hard x-ray (10-600 keV) sky is inherently time variable and yet has neither been surveyed nor monitored with a sensitive imaging telescope. The Energetic X-ray Imaging Survey Telescope (EXIST) is a mission concept, proposed for MIDEX, which would conduct the first imaging all-sky hard x-ray survey as well as provide a sensitive all sky monitor. With $sim 60%$ sky coverage each orbit, and full sky coverage each 50 days, hard x-ray studies of gamma-ray bursts, AGN, galactic transients, x-ray binaries and accretion-powered pulsars can be conducted over a wide range of timescales. We summarize the scientific objectives of EXIST for both the survey and monitoring objectives. We describe the mission concept and the instrumentation approach, which would incorporate a large area array of Cd-Zn-Te (CZT) detectors, as well as some of our ongoing development of CZT array detectors.
Source arXiv, astro-ph/9712359
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