Explosions in Wolf-Rayet stars and Type Ib supernovae. I - Light curves

Details Explosions in Wolf-Rayet stars and Type Ib supernovae. I - Light curves Explosions in Wolf-Rayet stars and Type Ib supernovae. I - Light curves

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...333..754e&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 333, Oct. 15, 1988, p. 754-776.

Astronomy and Astrophysics

Astrophysics

119

Light Curve, Stellar Interiors, Stellar Luminosity, Stellar Spectra, Supernovae, Wolf-Rayet Stars, Main Sequence Stars, Nuclear Astrophysics, Stellar Mass, White Dwarf Stars

Scientific paper

Numerical models of core-bounce supernovae with hydrogenless "Wolf-Rayet" progenitors are presented. The luminosity near peak light of these supernovae is provided by the escape of radioactive decay energy which accumulates in the optically thick interior and diffuses outward until it meets the inwardly moving photosphere (recombination front). It has been suggested that such stars are the source of Type Ib supernovae. Type Ib peak magnitudes and light curves have been collected from the literature, analyzed, and compared with the models. If some or all Type Ib progenitors are Wolf-Rayet-like stars, the widths of the supernova light curves constrain them to be between about 4 and 7 M_sun;, originally 15 - 25 M_sun; on the main sequence.

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