Type I SNe from double degenerate CO dwarfs and their rate in the solar neighbourhood

Details Type I SNe from double degenerate CO dwarfs and their rate in the solar neighbourhood Type I SNe from double degenerate CO dwarfs and their rate in the solar neighbourhood

Nov 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.223...69t&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 223, Nov. 1, 1986, p. 69-77.

Astronomy and Astrophysics

Astronomy

48

Binary Stars, Dwarf Stars, Stellar Composition, Stellar Evolution, Supernovae, Carbon Monoxide, Metallicity

Scientific paper

The behavior of the formation frequency of binary stars that will produce type I supernovae events in the solar neighborhood is studied. The type I supernova rate for several chemical compositions of the progenitor stars was computed using a chemical-evolution model. The relation between formation frequency and metallicity is examined and the predicted rate is compared to observational data. It is observed that the number of binary systems that produce type I supernovae is a decreasing function of their metal content and the predicted type I supernova rate is a factor of 10 lower than the observed rate.

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