The white dwarf mass distribution in classical nova systems

Details The white dwarf mass distribution in classical nova systems The white dwarf mass distribution in classical nova systems

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...376..177r&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 376, July 20, 1991, p. 177-185. Research supported by Technion - Israel Ins

Astronomy and Astrophysics

Astrophysics

61

Abundance, Dwarf Novae, Mass Distribution, Stellar Mass, White Dwarf Stars, Space Density, Statistical Analysis, Stellar Luminosity, Stellar Models

Scientific paper

A detailed model of white dwarf mass distribution in newly formed cataclysmic binaries produced by close binary evolution is presently used to derive the distributions for such systems' subsequent nova outbursts, in view of selection effects due to the dependences of envelope ignition mass, companion mass, and outburst luminosity on the masses of white dwarfs in nova systems. As much as 25-27 percent of observed nova outbursts should occur on O-Ne-Mg white dwarfs, with the rest occurring almost entirely on C-O white dwarfs. Some evidence of a bimodal character is noted in the empirical mass distribution for white dwarfs, as anticipated by the models.

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