Bulk Comptonization at the emergence of shock waves from stellar atmospheres

Details Bulk Comptonization at the emergence of shock waves from stellar atmospheres Bulk Comptonization at the emergence of shock waves from stellar atmospheres

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1279..424s&link_type=abstract

DECIPHERING THE ANCIENT UNIVERSE WITH GAMMA-RAY BURSTS. AIP Conference Proceedings, Volume 1279, pp. 424-426 (2010).

Computer Science

Stellar Winds, Shock Waves, Electron Collisions, Radiative Transfer, Mass Loss And Stellar Winds, Planetary Bow Shocks, Interplanetary Shocks, Elastic Scattering Of Electrons By Atoms And Molecules, Radiative Transfer, Scattering

Scientific paper

We investigate effects of the bulk comptonization process on emissions from a radiative shock wave propagating in a stellar envelope. At the shock, photons diffuse out from the front and are scattered back to the downstream by electron scattering. Consequently, these photons have a power-law energy spectrum. In this study, to model the circumstance, we use the self-similar solution for the supernova shock breakout as the hydrodynamical model and treat the radiative transfer by a monte-carlo technique. We succeeded in reproducing a power-law spectrum. Our result can be applied to the supernova shock breakout or jet breakout of gamma-ray bursts.

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