The GRAD high-altitude balloon flight over Antarctica

Details The GRAD high-altitude balloon flight over Antarctica The GRAD high-altitude balloon flight over Antarctica

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aipc..186..359e&link_type=abstract

IN: High-energy radiation background in space (A90-25305 09-93). New York, American Institute of Physics, 1989, p. 359-365. Rese

Astronomy and Astrophysics

Astronomy

Antarctic Regions, Balloon-Borne Instruments, Gamma Rays, Radiation Detectors, Supernova 1987A, Cobalt Isotopes, Gamma Ray Astronomy, Germanium Diodes

Scientific paper

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 deg S over Antarctica for observations of gamma radiation emitted by the radioactive decay of Co-56 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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