paper

A Supernova Remnant Collision with a Stellar Wind

arXiv:astro-ph/0211491 · doi:10.1086/345663

Abstract

Numerical simulations of the interaction between supernova ejecta and a stellar wind are presented. We follow the temporal evolution of the shock fronts that are formed through such an interaction and determine the velocities, temperatures and densities. We model the X-ray emission from the SNR-stellar wind collision region and we compare it with recent results from X-ray observations carried out with the Chandra satellite of the SMC supernova remnant SNR 0057-7226 which could be interacting with the wind of the Wolf-Rayet system HD 5980. The simulations predict the presence of shell-like regions of enhanced X-ray emission which are consistent with the presence of X-ray emitting arcs in the Chandra image. Also the observed X-ray luminosity is comparable to the X-ray luminosities we obtain from the simulations for a supernova with an initial energy in the (1-5)E50 erg range.

9 files into a tar.gz file (the Latex file of manuscript, 7 jpg figures, 1 style file: aastex.cls). Accepted by ApJ, Vol. 584, 2003 February 10

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