Radiative regimes in gamma-ray bursts and afterglows

A. Panaitescu; P. Mészáros

doi:10.1086/305856

Radiative regimes in gamma-ray bursts and afterglows

A. Panaitescu, P. Mészáros

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Abstract

We present numerical simulations of gamma-ray bursts arising from external shocks in the impulsive and wind models, including a weak or a strong coupling between electrons and protons plus magnetic fields, and analyze the burst features in each scenario. We follow the dynamics of the ejecta and external medium into the late stages of deceleration in order to study the hydrodynamics of the remnant and the temporal and spectral evolution of the afterglow. A brief comparison with the optical and radio afterglows of GRB 970228 and GRB 970508 is made.

Original language	English (US)
Pages (from-to)	772-779
Number of pages	8
Journal	Astrophysical Journal
Volume	501
Issue number	2 PART 1
DOIs	https://doi.org/10.1086/305856
State	Published - Jul 10 1998

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

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AB - We present numerical simulations of gamma-ray bursts arising from external shocks in the impulsive and wind models, including a weak or a strong coupling between electrons and protons plus magnetic fields, and analyze the burst features in each scenario. We follow the dynamics of the ejecta and external medium into the late stages of deceleration in order to study the hydrodynamics of the remnant and the temporal and spectral evolution of the afterglow. A brief comparison with the optical and radio afterglows of GRB 970228 and GRB 970508 is made.

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Radiative regimes in gamma-ray bursts and afterglows

Abstract

All Science Journal Classification (ASJC) codes

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