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Hard X-ray imaging from Explorer (1981)

Grindlay, J. E. ; Murray, S. S.

In: CASI

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Publication Date: 2016-06-07

Description: Coded aperture X-ray detectors were applied to obtain large increases in sensitivity as well as angular resolution. A hard X-ray coded aperture detector concept is described which enables very high sensitivity studies persistent hard X-ray sources and gamma ray bursts. Coded aperture imaging is employed so that approx. 2 min source locations can be derived within a 3 deg field of view. Gamma bursts were located initially to within approx. 2 deg and X-ray/hard X-ray spectra and timing, as well as precise locations, derived for possible burst afterglow emission. It is suggested that hard X-ray imaging should be conducted from an Explorer mission where long exposure times are possible.

Keywords: ASTRONOMY

Type: NASA. Goddard Space Flight Center X-ray Astronomy in the 1980's; p 349-366

Format: application/pdf

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