Breakout of the Supernova Shock

Details Breakout of the Supernova Shock Breakout of the Supernova Shock

Oct 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996apj...469..737b&link_type=abstract

Astrophysical Journal v.469, p.737

Astronomy and Astrophysics

Astronomy

7

Nuclear Reactions, Nucleosynthesis, Abundances, Shock Waves, Stars: Supernovae: General

Scientific paper

The shock in a supernova of Type II first moves slowly and then suddenly breaks out with a velocity of order 109 cm s-1. This breakout is due to the recombination of nucleons into α-particles. It is shown that this recombination provides enough energy to lift the matter against gravity. The net energy after escape from the star is about 4 x 1018 ergs g-1. Supernovae of Type II differ mainly in the binding energy of the mantle of the progenitor.

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