Hyperstars - Main Origin of Short Gamma Ray Bursts?
Astrophysics
2009-11-13 v1
Abstract
The first well-localized short-duration gamma ray bursts (GRBs), GRB 050509b, GRB 050709 and GRB 050724, could have been the narrowly beamed initial spike of a burst/hyper flare of soft gamma ray repeaters (SGRs) in host galaxies at cosmological distances. Such bursts are expected if SGRs are young hyperstars, i.e. neutron stars where a considerable fraction of their neutrons have converted to hyperons and/or strange quark matter.
Keywords
Cite
@article{arxiv.astro-ph/0509257,
title = {Hyperstars - Main Origin of Short Gamma Ray Bursts?},
author = {Arnon Dar},
journal= {arXiv preprint arXiv:astro-ph/0509257},
year = {2009}
}
Comments
Invited talk to be published in the proceedings of the intl. Workshop `High Energy Cosmic Sources' May 23-28, 2005, Vulcano, Italy 2005