English

Gamma Ray Bursts vs. Afterglows

Astrophysics 2009-10-31 v1

Abstract

When does a GRB stop and its afterglow begin? A GRB may be defined as emission by internal shocks and its afterglow as emission by an external shock, but it is necessary to distinguish them observationally. With these definitions irregularly varying emission (at any frequency) must be the GRB, but smoothly varying intensity is usually afterglow. The GRB itself and its afterglow may overlap in time and in frequency, and distinguishing them will, in general, require detailed modeling.

Keywords

Cite

@article{arxiv.astro-ph/9812309,
  title  = {Gamma Ray Bursts vs. Afterglows},
  author = {J. I. Katz},
  journal= {arXiv preprint arXiv:astro-ph/9812309},
  year   = {2009}
}

Comments

2 pp., Proc. Conf. Gamma-Ray Bursts in the Afterglow Era, Astron. Ap. latex (needs files from ftp://ftp.edpsciences.com/pub/aas/)