Hard X-ray imaging from Explorer

Details Hard X-ray imaging from Explorer Hard X-ray imaging from Explorer

Nov 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981xras.nasa..349g&link_type=abstract

In NASA. Goddard Space Flight Center X-ray Astronomy in the 1980's p 349-366 (SEE N82-26055 16-88)

Astronomy and Astrophysics

Astrophysics

Apertures, Astrophysics, Gamma Ray Bursts, High Energy Interactions, X Ray Astronomy, X Ray Imagery, Afterglows, Explorer Satellites, Imaging Techniques, Satellite Observation, X Ray Spectra

Scientific paper

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.

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