Abstract
We have found the probability of double events “supernova—gamma-ray burst” (GRB) separated by a time interval of a few years. Their sources can be supernova explosions in binary systems accompanied by formation of a short-lived pair of compact objects which produce a short GRB while merging. Each of the ∼500 short SGBs must have an optical precursor, a supernova at a time interval of < 2 years. We discuss the possible relationship between SN 1997ds and GRB 990425.
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Talk given at the International Conference RUSGRAV-14, June 27–July 4, 2011, Ulyanovsk, Russia.
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Dokuchaev, V.I., Eroshenko, Y.N. A search for supernovae preceding short gamma-ray bursts. Gravit. Cosmol. 18, 97–99 (2012). https://doi.org/10.1134/S0202289312020053
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DOI: https://doi.org/10.1134/S0202289312020053