Gamma-ray burst afterglows and their implications

P. Mészáros

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

The discovery of X-ray, optical and radio afterglows of GRBs provides an important tool for understanding these sources. Most current models envisage GRB as arising in a cataclysmic stellar event leading to a relativistically expanding fireball, where particle acceleration at shocks lead to nonthermal radiation. The predictions of this scenario are in substantial agreement with the bulk of the observations. In addition, the data show a diversity of finer structure behavior, which is providing constraints for more detailed models. Current issues of interest are the implications of the beaming for the energetics, the afterglow time structure, dependence on progenitor system, and the role of the environment.

Original languageEnglish (US)
Pages (from-to)533-536
Number of pages4
JournalAstronomy and Astrophysics Supplement Series
Volume138
Issue number3
DOIs
StatePublished - Sep 1999

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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