Central engine of gamma-ray bursts - general relativistic magnetohydrodynamic simulations of collapsars -

Details Central engine of gamma-ray bursts - general relativistic magnetohydrodynamic simulations of collapsars - Central engine of gamma-ray bursts - general relativistic magnetohydrodynamic simulations of collapsars -

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005asthe..98..461m&link_type=abstract

The Astronomical Herald (ISSN 0374-2466), Vol. 98, No. 7, p. 461 - 466 (2005)

Astronomy and Astrophysics

Astronomy

Gamma-Ray Bursts

Scientific paper

We have preformed general relativistic magnetohydrodynamic simulations of a collapsar including a rotating black hole as the central engine of gamma-ray bursts. The simulation results show the formation of a disk-like structure and the generation of a jet-like outflow with 30% of the light velocity. Although the jet-like outflow generated in simulations is too slow compared to the velocity inferred for the jet of gamma-ray bursts, it has comparable velocity and enough energy to explain the jet of SN 2002ap.

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