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The Role of Dust in GRB Afterglows

Authors
  • Lamb, Donald Q.
Type
Preprint
Publication Date
Jul 28, 2001
Submission Date
Jul 28, 2001
Identifiers
DOI: 10.1007/10853853_79
Source
arXiv
License
Unknown
External links

Abstract

We show that the clumpy structure of star-forming regions can naturally explain the fact that 50-70% of GRB afterglows are optical``dark.'' We also show that dust echos from the GRB and its afterglow, produced by the clumpy structure of the star-forming region in which the GRB occurs, can lead to temporal variability and peaks in the NIR, optical, and UV lightcurves of GRB afterglows.

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