Rayleigh-Taylor instability in the asymmetric supernova explosion

Details Rayleigh-Taylor instability in the asymmetric supernova explosion Rayleigh-Taylor instability in the asymmetric supernova explosion

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...382..594y&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 382, Dec. 1, 1991, p. 594-602.

Statistics

Computation

17

Computational Astrophysics, Stellar Interiors, Supernova 1987A, Taylor Instability, Density Distribution, Hydrodynamic Equations, Nickel Isotopes, Shock Wave Propagation, Stellar Composition, Stellar Models

Scientific paper

Matter mixing by Rayleigh-Taylor instability in the jetlike supernova explosion is studied by numerical calculations of 2D hydrodynamics. It is found that: (1) the asymmetric explosion with 5 percent initial perturbation causes the same degree of matter mixing as the spherical one with 30 percent perturbation; and that (2) 30 percent initial perturbation in the jetlike explosion is sufficient to explain the mixing in SN 1987 A suggested by many observations without any subsequent instability such as nickel bubble formation.

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