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Optical and Long‐Wavelength Afterglow from Gamma‐Ray Bursts

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Meszaros, P., Rees, M. J.·1997·The Astrophysical Journal

Abstract

We discuss the evolution of cosmological gamma-ray burst remnants, consisting of the cooling and expanding fireball ejecta together with any swept-up external matter, after the gamma-ray event. We show that significant optical emission is predicted, which should be measurable for timescales of hours after the event, and in some cases radio emission may be expected days to weeks after the event. The flux at optical, X-ray, and other long wavelengths decays as a power of time, and the initial value of the flux or magnitude, as well as the value of the time-decay exponent, should help to distinguish between possible types of dissipative fireball models.

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Metadata

Authors
Meszaros, P., & Rees, M. J.
Venue
The Astrophysical Journal
Published
1997-02-10
Volume
476
Issue
1
Pages
232-237
ISSN
  • 0004-637X (ISSN-L)
  • 1538-4357
OpenAlex
W2050170524
Cited by
1,192
References
0
FWCI
77.32
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Optical and Long‐Wavelength Afterglow from Gamma‐Ray Bursts. https://app.cochat.ai/papers/10.1086/303625
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Meszaros, P., & Rees, M. J. (1997). Optical and Long‐Wavelength Afterglow from Gamma‐Ray Bursts. The Astrophysical Journal. https://doi.org/10.1086/303625

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