Non-spherical core collapse supernovae and nucleosynthesis

Details Non-spherical core collapse supernovae and nucleosynthesis Non-spherical core collapse supernovae and nucleosynthesis

2000-10-04

arxiv.org/abs/astro-ph/0010085v1

Astronomy and Astrophysics

Astrophysics

4 pages, 1 figure, LaTeX, requires espcrc1.sty. To appear in Nucl. Phys. A., the proceedings of the conference "Nuclei in the

Scientific paper

10.1016/S0375-9474(01)00691-1

Motivated by observations of supernova SN 1987A, various authors have simulated Rayleigh-Taylor (RT) instabilities in the envelopes of core collapse supernovae (for a review, see Mueller 1998). The non-radial motion found in these simulations qualitatively agreed with observations in SN 1987A, but failed to explain the extent of mixing of newly synthesized 56Ni quantitatively. Here we present results of a 2D hydrodynamic simulation which re-addresses this failure and covers the entire evolution of the first 5 hours after core bounce.

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