Abstract
Low energy celestial gamma ray bursts were discovered1 in 1973 and the detection later confirmed by several groups. In this paper we report the low energy gamma-ray bursts ob served by the plastic scintillator anticoincidence dome of the Small Astronomy Satellite-2 (SAS-2) gamma-ray telescope. Although the high energy gamma-ray telescope of SAS-2 has a threshold of about 20 MeV the large SAS-2 anti coincidence dome (A-dome) which is the outermost element of the instrument provides a very large detector for the high energy portion (⩾0.3 MeV) of these burst events.
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References
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ÖGELMAN, H., FICHTEL, C. & KNIFFEN, D. Observations of low energy gamma-ray bursts with SAS-2. Nature 255, 208–210 (1975). https://doi.org/10.1038/255208b0
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DOI: https://doi.org/10.1038/255208b0
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