Nonlinear growth of Rayleigh-Taylor instabilities and mixing in SN 1987A

Details Nonlinear growth of Rayleigh-Taylor instabilities and mixing in SN 1987A Nonlinear growth of Rayleigh-Taylor instabilities and mixing in SN 1987A

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...358l..57h&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 358, Aug. 1, 1990, p. L57-L61. Research supported by the Japan-U.

Astronomy and Astrophysics

Astrophysics

100

Emission Spectra, Light Curve, Stellar Spectra, Supernova 1987A, Taylor Instability, Magnetohydrodynamic Stability, Nonlinear Systems, Stellar Composition, Stellar Envelopes, Stellar Models

Scientific paper

The origin and development of the Rayleigh-Taylor (R-T) instability is studied using an axisymmetric two-dimensional hydrodynamic code. It is observed that mushroomlike structures appear 2000 s after the blast shock and the R-T instability starts to grow at the H/He interface. These results correlate well with the Arnett et al. (1989) data. The extent of mixing in the ejecta of SN 1987A and the relation between R-T instability and mixing are examined.

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