Optical/Multiwavelength Observations of GRB Afterglows

I review gamma-ray burst optical/multiwavelength afterglow observations since 1997, when the first counterparts to GRBs were discovered. I discuss what we have learned from multiwavelength observations of GRB afterglows in relation to the `standard' fireball plus relativistic blast-wave models....

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Bibliographic Details
Published in:arXiv.org 2000-01
Main Author: Galama, Titus J
Format: Article
Language:English
Subjects:
Afterglows
Gamma ray astronomy
Gamma ray bursts
Gamma rays
Supernovae
Online Access:Get full text
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Summary:I review gamma-ray burst optical/multiwavelength afterglow observations since 1997, when the first counterparts to GRBs were discovered. I discuss what we have learned from multiwavelength observations of GRB afterglows in relation to the `standard' fireball plus relativistic blast-wave models. To first order the `standard' model describes the afterglow observations well, but a wealth of information can be gathered from the deviations of GRB afterglow observations from this `standard' model. These deviations provide information on the nature of the progenitor and on the physics of GRB production. In particular I focus on the possible connection of GRBs to supernovae, on jet and circumstellar wind models, on the early-time afterglow, and on the emission from the reverse shock.
ISSN:2331-8422
DOI:10.48550/arxiv.0001465