Steady nuclear burning on white dwarfs

Details Steady nuclear burning on white dwarfs Steady nuclear burning on white dwarfs

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982mnras.198..215p&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 198, Jan. 1982, p. 215-220.

Astronomy and Astrophysics

Astrophysics

26

Hydrogen, Nuclear Fusion, White Dwarf Stars, Abundance, Nuclear Astrophysics, Rates (Per Time), Stellar Envelopes, Stellar Luminosity, Stellar Mass Accretion

Scientific paper

The possibility of burning, in a steady fashion, the hydrogen being accreted onto a white dwarf is examined in light of the 4 x 10 to the 18th erg per gram produced by hydrogen burning per gram of accreted material. For a given CNO abundance, there is a maximum steady luminosity that can be produced and therefore a maximum accretion rate for which steady burning is possible. For normal solar abundances, the maximum luminosity is 0.05 solar luminosities, corresponding to an accretion rate of about 8 x 10 to the -13th solar masses/year. It is suggested that significant depletion of the CNO abundance in the burning zone due to diffusion is unlikely.

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