Adiabatic supernova expansion into the circumstellar medium

Details Adiabatic supernova expansion into the circumstellar medium Adiabatic supernova expansion into the circumstellar medium

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987stin...8812433b&link_type=abstract

Presented at the 101st International Astronomics Union Colloquium on interaction of Supernova Remnants with the Interstellar Med

Astronomy and Astrophysics

Astronomy

Adiabatic Conditions, Interstellar Matter, Shock Waves, Stellar Envelopes, Supernovae, Computerized Simulation, Hydrodynamics, Interstellar Space, Mass Distribution, Mathematical Models

Scientific paper

We perform one dimensional numerical simulations with a Lagrangian hydrodynamics code of the adiabatic expansion of a supernova into the surrounding medium. The early expansion follows Chevalier's analytic self-similar solution until the reverse shock reaches the ejecta core. We follow the expansion as it evolves towards the adiabatic blast wave phase. Some memory of the earlier phases of expansion is retained in the interior even when the outer regions expand as a blast wave. We find the results are sensitive to the initial configuration of the ejecta and to the placement of gridpoints.

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