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arXiv · astro-ph/0402077

Spectra and Light Curves of GRB Afterglows

A. G. Tolstov·S. I. Blinnikov
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Abstract

We performed accurate numerical calculations of angle-, time-, and frequency-dependent radiative transfer for the relativistic motion of matter in gamma-ray burst (GRB) models. Our technique for solving the transfer equation, which is based on the method of characteristics, can be applied to the motion of matter with a Lorentz factor up to 1000. The effect of synchrotron self-absorption is taken into account. We computed the spectra and light curves from electrons with a power-law energy distribution in an expanding relativistic shock and compare them with available analytic estimates. The behavior of the optical afterglows from GRB 990510 and GRB 000301c is discussed qualitatively.

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A. G. Tolstov, S. I. Blinnikov. 2004-02-03. Spectra and Light Curves of GRB Afterglows. https://doi.org/10.1134/1.1579780

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