Low-mass helium star models for type Ib supernovae - Light curves, mixing, and nucleosynthesis

Details Low-mass helium star models for type Ib supernovae - Light curves, mixing, and nucleosynthesis Low-mass helium star models for type Ib supernovae - Light curves, mixing, and nucleosynthesis

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...361l..23s&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 361, Sept. 20, 1990, p. L23-L27. Research supported by the Japan-

Astronomy and Astrophysics

Astrophysics

93

Astronomical Models, Helium, Light Curve, Nuclear Astrophysics, Nuclear Fusion, Supernovae, Abundance, Stellar Luminosity, Stellar Mass, Taylor Instability

Scientific paper

The applicability of theoretical models of He-star explosions to type Ib SN explosions is explored. Particular attention is given to light curves and mixing, Rayleigh-Taylor instabilities and mixing, and nucleosynthesis and the mass of Ni-56. Typical numerical results are presented in graphs, and it is concluded that the explosions of SN 1983N and SN 1983I can be accurately represented in terms of explosions of He stars with M(alpha) of 3-4 solar mass. A strong M(alpha) dependence of light-curve shape, photospheric velocity, and Ni-56 mass is found.

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