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A new type of long gamma-ray burst

Författare

Summary, in English

We consider gamma-ray bursts (GRBs) produced by the merger of a massive white dwarf with a neutron star. We show that these are likely to produce long-duration GRBs, in some cases definitely without an accompanying supernova, as observed recently. This class of burst would have a strong correlation with star formation, and occur close to the host galaxy. However, rare members of the class need not be near star-forming regions, and could have any type of host galaxy. Thus a long-duration burst far from any star-forming region would also be a signature of this class. Estimates based on the existence of a known progenitor suggest that our proposed class may be an important contributor to the observed GRB rate.

Publiceringsår

2007

Språk

Engelska

Sidor

34-36

Publikation/Tidskrift/Serie

Monthly Notices of the Royal Astronomical Society

Volym

374

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

Oxford University Press

Ämne

  • Astronomy, Astrophysics and Cosmology

Nyckelord

  • gamma-rays : bursts

Status

Published

Forskningsgrupp

  • Observational and Theoretical Astrophysics

ISBN/ISSN/Övrigt

  • ISSN: 1365-2966