- Conference date: 3−4 NOV 1987
- Location: SANIBEL ISLAND, FLORIDA (USA)
The Gamma Ray Advanced Detector(GRAD) consists of a n‐type germanium detector inside an active bismuth‐germanate Compton and charged particle shield with additional active plastic shielding across the aperture. It will be flown on a high altitude balloon at 36 km altitude at a latitude of 78° S over Antarctica for observations of gamma radiation emitted by the radioactive decay of 5 6Co in the Supernova SN1987A, for assessment of the performance of bismuth‐germanate scintillation material in the radiation environment of near space, for gathering information on the gamma‐ray background over Antarctica, and for testing fault‐tolerant software.
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