Mixing in the Supernova Explosion of Red Supergiants

Details Mixing in the Supernova Explosion of Red Supergiants Mixing in the Supernova Explosion of Red Supergiants

May 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aas...182.1904h&link_type=abstract

American Astronomical Society, 182nd AAS Meeting, #19.04; Bulletin of the American Astronomical Society, Vol. 25, p.819

Astronomy and Astrophysics

Astronomy

Scientific paper

Shock propagation, mixing, and clumping are studied in the explosion of red supergiants as Type II-p and II-L supernovae using a two-dimensional smooth particle hydrodynamic (SPH) code. We show that extensive Rayleigh-Taylor instabilities develop in the ejecta in the wake of the reverse shock wave. In all cases, the shell structure of the progenitor is obliterated to leave a clumpy, well mixed supernova remnant. However, the occurrence of mass loss during the lifetime of the progenitor can significantly change this scenario. These results are independent of the type II supernova explosion mechanism.

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