Are symbiotic stars the precursors of type IA supernovae?

Details Are symbiotic stars the precursors of type IA supernovae? Are symbiotic stars the precursors of type IA supernovae?

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...397l..87m&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 397, no. 2, p. L87-L90.

Mathematics

Probability

89

Binary Stars, Dwarf Galaxies, Supernovae, Symbiotic Stars, Line Spectra, White Dwarf Stars

Scientific paper

We reanalyze the question of the frequency of symbiotics in the Galaxy, notice that their discovery probability so far has been grossly overestimated, and derive under conservative assumptions a total number for them of about 3 x 10 exp 5, some 100 times more than currently reported. It follows that to account for the observed frequency of SN Ia's in the Galaxy it is sufficient that only about 4 percent of these symbiotics conclude their evolution with the accreting white dwarf reaching the Chandrasekhar limit and exploding as a supernova.

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