Light curves of exploding Wolf-Rayet stars

Details Light curves of exploding Wolf-Rayet stars Light curves of exploding Wolf-Rayet stars

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...316l..31s&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 316, May 1, 1987, p. L31-L35.

Astronomy and Astrophysics

Astrophysics

47

Light Curve, Supernovae, Wolf-Rayet Stars, Abundance, Cassiopeia A, Electron-Positron Pairs, Optical Thickness, Pair Production, Radioactivity, Stellar Evolution

Scientific paper

The authors explore the consequences of the idea that W-R stars explode as ordinary stars, i.e., through the core collapse and bounce mechanism for the lighter of them and via the e+e- pair production mechanism for the heavier. In the first case, the light curve is dominated by the radioactive energy liberated by the decay of 56Ni; in the second case, by the recombination energy of the oxygen-rich ejecta. It is suggested that the two cases have observable counterparts, namely the peculiar Type I supernovae and the Cas A remnant, respectively.

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