Wide field camera system for precise positioning of gamma ray bursts and monitoring of hard X-ray sources in the 30 - 100 keV band

Details Wide field camera system for precise positioning of gamma ray bursts and monitoring of hard X-ray sources in the 30 - 100 keV band Wide field camera system for precise positioning of gamma ray bursts and monitoring of hard X-ray sources in the 30 - 100 keV band

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1159..329g&link_type=abstract

IN: EUV, X-ray, and gamma-ray instrumentation for astronomy and atomic physics; Proceedings of the Meeting, San Diego, CA, Aug.

Astronomy and Astrophysics

Astronomy

Cameras, Gamma Ray Bursts, Imaging Techniques, X Ray Sources, Atmospheric Attenuation, Balloon-Borne Instruments, Field Of View, Gamma Ray Astronomy, Luminous Intensity

Scientific paper

A high angular resolution, wide field camera system (WFCS)operating in the 30 to 100 keV band has been proposed for NASA's gamma ray astronomy program. It is intended for long duration balloon flights initially and for deployment in space, eventually. The instrument contains two orthogonal units consisting of a multiple slit collimator and a two-dimensional position sensitive detector. Gamma ray bursts and soft gamma repeaters will be imaged and positioned to a few square arcminutes or better. There will be a net effective area of 500 sq cm (60 keV) and an energy resolution of 4 percent for spectroscopy of possible cyclotron features. During a two-week balloon flight from Antarctica, the WFCS will simultaneously monitor intensity variations of all hard X-ray sources above the level of 25 milicrabs within its pi ster field of view and improve the positions of unidentified objects. When it is deployed in space above the atmosphere attenuation, the WFCS will have five times more sensitivity, a larger band width, and a larger field of view.

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