Time-Dependent Models for a decade of SN 1993J

Details Time-Dependent Models for a decade of SN 1993J Time-Dependent Models for a decade of SN 1993J

2011-01-18

arxiv.org/abs/1101.3419v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

20 pages 19 figures, Accepted for pubblication in Astrophysics and Space Science 2011

Scientific paper

A classical and a relativistic law of motion for a supernova remnant (SNR) are deduced assuming an inverse power law behavior for the density of the interstellar medium and applying the thin layer approximation. A third equation of motion is found in the framework of relativistic hydrodynamics with pressure, applying momentum conservation. These new formulas are calibrated against a decade of observations of \snr. The existing knowledge of the diffusive processes of ultrarelativistic electrons is reviewed in order to explain the behavior of the `U' shaped profile of intensity versus distance from the center of SN 1993J.

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