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Some Recent Developments in γ-ray Burst Afterglow and Prompt Emission Models

Published online by Cambridge University Press:  26 May 2016

Bing Zhang ,
Peter Mészáros  and
Junfeng Wang
Bing Zhang
Affiliation:
Department of Astronomy & Astrophysics, Pennsylvania State University, 525 Davey Lab, University Park, PA 16802, USA
Peter Mészáros
Affiliation:
Department of Astronomy & Astrophysics, Pennsylvania State University, 525 Davey Lab, University Park, PA 16802, USA
Junfeng Wang
Affiliation:
Department of Astronomy & Astrophysics, Pennsylvania State University, 525 Davey Lab, University Park, PA 16802, USA

Abstract

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Extensive observational campaigns of afterglow hunting have greatly enriched our understanding of the gamma-ray burst (GRB) phenomenon. Efforts have been made recently to explore some afterglow properties or signatures that will be tested by the on-going or the future observational campaigns yet come. These include the properties of GRB early afterglows in the temporal domain; the GeV-TeV afterglow signatures in the spectral domain; as well as a global view about the GRB universal structured jet configuration. These recent efforts are reviewed. Within the standard cosmological fireball model, the very model(s) responsible for the GRB prompt emission is (are) not identified. These models are critically reviewed and confronted with the current data.

Type
Part 9 Gamma Ray Bursters
Information
Symposium - International Astronomical Union , Volume 214: High Energy Processes and Phenomena in Astrophysics , 2003 , pp. 311 - 320
Copyright
Copyright © Astronomical Society of the Pacific 2003 

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