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Proceedings Paper

High-spectral-resolution x-ray measurements of solar flares and gama ray bursts on two new small satellites
Author(s): Upendra D. Desai; Mario H. Acuna; Thomas L. Cline; Brian R. Dennis; Larry E. Orwig; Jacob I. Trombka; Richard D. Starr
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Paper Abstract

Two new small satellites will be launched in late 1996, each carrying x-ray and gamma-ray detectors capable of high spectral resolution while operating at or near room temperature. The Argentinean Satellite de Aplicaciones Cientificas B (SAC-B) and the Small Spacecraft Technology Institute Clark mission will each carry several arrays of x- ray detectors primarily to study solar flares and gamma ray bursts. Arrays of small (8 mm X 8 mm X 2 mm thick) cadmium zinc telluride detectors will provide x-ray measurements in the 5 - 60 keV range with an energy resolution of 2 - 4 keV. Arrays of both silicon avalanche photodiodes (APDs) and P-intrinsic-N photodiodes will provide energy coverage from 2 to 20 keV with approximately 1 keV resolution. High energy data from 30 to 300 keV will be obtained on SAC-B using CsI(TI) scintillators coupled to silicon APDs, resulting in significant savings in weight, power, and volume relative to conventional CsI- photomultiplier systems.

Paper Details

Date Published: 25 November 1996
PDF: 9 pages
Proc. SPIE 2804, Missions to the Sun, (25 November 1996); doi: 10.1117/12.259701
Show Author Affiliations
Upendra D. Desai, NASA Goddard Space Flight Ctr. (United States)
Mario H. Acuna, NASA Goddard Space Flight Ctr. (United States)
Thomas L. Cline, NASA Goddard Space Flight Ctr. (United States)
Brian R. Dennis, NASA Goddard Space Flight Ctr. (United States)
Larry E. Orwig, NASA Goddard Space Flight Ctr. (United States)
Jacob I. Trombka, NASA Goddard Space Flight Ctr. (United States)
Richard D. Starr, Catholic Univ. of America (United States)


Published in SPIE Proceedings Vol. 2804:
Missions to the Sun
David M. Rust, Editor(s)

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