Gamma-Ray Bursts, Supernova Kicks, and Gravitational Radiation
Författare
Summary, in English
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.
Publiceringsår
2002
Språk
Engelska
Sidor
63-69
Publikation/Tidskrift/Serie
Astrophysical Journal Letters
Volym
579
Länkar
Dokumenttyp
Artikel i tidskrift
Förlag
IOP Publishing
Ämne
- Astronomy, Astrophysics and Cosmology
Nyckelord
- Gravitational Waves
- Gamma Rays: Bursts
- Stars: Binaries: Close
- Accretion Disks
- Accretion
- Stars: Neutron
- Stars: Supernovae: General
Status
Published
ISBN/ISSN/Övrigt
- ISSN: 2041-8213