On the theory of Type IA supernova events.

Details On the theory of Type IA supernova events. On the theory of Type IA supernova events.

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26a...304..440b&link_type=abstract

Astronomy and Astrophysics, v.304, p.440

Astronomy and Astrophysics

Astrophysics

15

Supernovae: General, Hydrodynamics, Instabilities

Scientific paper

A physical scenario of white dwarf burning in Type Ia supernova events is proposed which includes the consequent stages of flame, spontaneous explosion and detonation. The flame is ignited locally at several points near the center of the star. The bubbles of light burnt matter, together with the flame, are pushed out of the center, so that almost all hot fuel of the central part of the star remains unburnt by the flame. The unburnt fuel explodes spontaneously after a time delay determined by the average temperature at the center of the star. The spontaneous explosion triggers the detonation, which incinerates the rest of the pre-expanded star. The proposed scenario explains the delayed triggering of the detonation in white dwarfs and provides the physical basis for a self-consistent theory of Supernovae Ia.

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