Astronomy and Astrophysics – Astrophysics – Galaxy Astrophysics
Scientific paper
2011-09-19
Astronomy and Astrophysics
Astrophysics
Galaxy Astrophysics
19 figures and 14 pages Accepted for publication in Astrophysics & Space Science in the year 2011
Scientific paper
A new law of motion for supernova remnant (SNR) which introduces the quantity of swept matter in the thin layer approximation is introduced. This new law of motion is tested on 10 years observations of SN1993J. The introduction of an exponential gradient in the surrounding medium allows to model an aspherical expansion. A weakly asymmetric SNR, SN1006, and a strongly asymmetric SNR, SN1987a, are modeled. In the case of SN1987a the three observed rings are simulated.
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