Crushing of interstellar gas clouds in supernova remnants: The role of thermal conduction and radiative losses

Giovanni Peres, Fabio Reale, Siegel, Plewa, Rosner, Orlando

Risultato della ricerca: Otherpeer review

Abstract

We model hydrodynamic interactions of an old supernova remnant shock wave with a small interstellar gas cloud, taking into account the effects of thermal conduction and radiative losses. In particular, we consider a representative case of a Mach 30 shock impacting on an isolated cloud with density contrast χ = 10 with respect to the ambient medium. Thermal conduction appears to be effective in suppressing the Kelvin-Helmholtz and Rayleigh-Taylor instabilities which would develop at the cloud boundaries. We demonstrate that the radiative losses play a crucial role in the dynamics of the shock-cloud interaction, dominating evolution of the shocked cloud medium.
Lingua originaleEnglish
Pagine326-329
Numero di pagine4
Stato di pubblicazionePublished - 2004

All Science Journal Classification (ASJC) codes

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