Bigger Bursts from Merging Neutron Stars
Open Access
- 1 June 1999
- journal article
- research article
- Published by American Astronomical Society in The Astrophysical Journal
- Vol. 517 (2) , L117-L119
- https://doi.org/10.1086/312043
Abstract
GRB 990123 may have produced 4×1054 ergs in gamma rays unless, as seems to be the case, it was significantly beamed. Even with beaming, it may be beyond the limiting binding energy available for neutron star mergers in the Schwarzschild metric. Neutron stars of ~10 M☉ are permitted in the Yilmaz metric. A merger of two neutron stars of about 10 M☉ could release approximately 3×1055 ergs. The spectral state switches of the galactic black hole candidates may be the signatures of the magnetic fields of such massive neutron stars.Keywords
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