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Explaining the light curves of Gamma-ray Bursts with precessing jets

Simon Portegies Zwart

astro-pharXiv:astro-ph/9903211

Abstract

A phenomenological model is presented to explain the light curves of gamma-ray bursts. Gamma-rays are produced in a narrow beam which sweeps through space due to the precession of a slaved accretion disc. The light curve expected from such a precessing luminosity cone can explain the complex temporal behavior of bright gamma-ray bursts.

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