Unsteady outflow models for cosmological gamma-ray bursts

@article{Rees1994UnsteadyOM,
  title={Unsteady outflow models for cosmological gamma-ray bursts},
  author={M. Rees and P. M{\'e}sz{\'a}ros},
  journal={The Astrophysical Journal},
  year={1994},
  volume={430}
}
The 'event' that triggers a gamma-ray burst cannot last for more than a few seconds. This is, however, long compared with the dynamical timescale of a compact stellar-mass object (approximately 10 (exp-3) s). Energy is assumed to be released as an outflow with high mean Lorentz factor Gamma. But a compact stellar-mass collapse or merger is, realistically, likely to generate a mass (or energy) flux that is unsteady on some timescales in the range 10(exp -3) - 10 s. If Gamma fluctuates by a… Expand
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273 This figure "fig1-1.png" is available in "png
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The energy sources in a cosmological context could be either stellar collapse (Usov, 1992, Woosley, 1993) or compact binary mergers (Paczy´Paczy´nski
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Acknowledgements: This research has been partially supported through NASA NAGW- 1522, NAG5-2362 and by the Royal Society
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