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Title:
The evolution of supernova remnants. III - Thermal waves
Authors:
Chevalier, R. A.
Affiliation:
AA(Kitt Peak National Observatory, Tucson, Ariz.)
Publication:
Astrophysical Journal, vol. 198, June 1, 1975, pt. 1, p. 355-359. (ApJ Homepage)
Publication Date:
06/1975
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Conductive Heat Transfer, Stellar Evolution, Supernova Remnants, Thermal Radiation, Astronomical Models, Interstellar Space, Magnetic Field Configurations, Propagation Velocity, Shock Wave Propagation
DOI:
10.1086/153610
Bibliographic Code:
1975ApJ...198..355C

Abstract

The effect of heat conduction on the evolution of supernova remnants is investigated. A thermal wave, or electron conduction front, can travel more rapidly than a shock wave during the first thousand years of the remnant's evolution. A self-similar solution describing this phase has been found by Barenblatt. Numerical computations verify the solution and give the evolution past the thermal-wave phase. While shell formation is not impeded, the interior density and temperature profiles are smoothed by the action of conduction.

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