Progenitor masses of type Ib/c supernovae

Details Progenitor masses of type Ib/c supernovae Progenitor masses of type Ib/c supernovae

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992mnras.255..267b&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 255, March 15, 1992, p. 267, 268.

Astronomy and Astrophysics

Astronomy

18

Binary Stars, Light Curve, Neutron Stars, Stellar Mass, Supernovae, Astronomical Spectroscopy, Helium, Stellar Envelopes

Scientific paper

Recent models for the origins of type Ib/c supernovae have proposed that the progenitors consist of relatively low-mass stars in binary systems that have lost their hydrogen envelope. On the basis of the nickel mass, light curve, and the amount of mixing, these models identify the low-mass end with Ic's and the higher mass end with Ib's. It is shown that the dependence of the nickel mass on the progenitor mass is highly uncertain and suggest that the helium lines in type Ib's and the lack thereof in type Ic's could be more naturally explained by identifying the low-mass end with Ib's and the high-mass end with Ic's.

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