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Title: Gamma-ray bursts, supernova kicks, and gravitational radiation
Authors: Davies, Melvyn B.
King, Andrew
Rosswog, Stephan
Wynn, Graham
First Published: 10-Nov-2002
Publisher: IOP Publishing
Citation: Astrophysical Journal Letters, 2002, 579 (2), L63-L66
Abstract: We suggest that the collapsing core of a massive rotating star may fragment to produce two or more compact objects. Their coalescence under gravitational radiation gives the resulting black hole or neutron star a significant kick velocity, which may explain those observed in pulsars. A gamma-ray burst can result only when this kick is small. Thus, only a small fraction of core-collapse supernovae produce gamma-ray bursts. The burst may be delayed significantly (hours to days) after the supernova, as suggested by recent observations. If our picture is correct, core-collapse supernovae should be significant sources of gravitational radiation with a chirp signal similar to a coalescing neutron star binary.
DOI Link: 10.1086/345288
ISSN: 2041-8205
eISSN: 2041-8213
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © 2002, The American Astronomical Society. Deposited with reference to the publisher’s archiving policy available on the SHERPA/RoMEO website.
Appears in Collections:Published Articles, Dept. of Physics and Astronomy

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