Optical/Multiwavelength Observations of GRB Afterglows

Details Optical/Multiwavelength Observations of GRB Afterglows Optical/Multiwavelength Observations of GRB Afterglows

2000-01-26

arxiv.org/abs/astro-ph/0001465v1

Astronomy and Astrophysics

Astrophysics

10 pages, 4 figures; invited review for the 5th Huntsville Gamma-Ray Burst Workshop, eds. M. Kippen, R. Mallozzi, and G. Fishm

Scientific paper

10.1063/1.1361551

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.

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