Convective cores and carbon ignition in intermediate-mass stars

Details Convective cores and carbon ignition in intermediate-mass stars Convective cores and carbon ignition in intermediate-mass stars

Jul 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...294l..31c&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 294, July 1, 1985, p. L31-L33.

Physics

42

Stellar Cores, Stellar Evolution, Stellar Physics, Supernovae, Carbon, Metallicity, Stellar Mass

Scientific paper

The authors find that in intermediate-mass stars, convective overshooting during central He burning is responsible for the overgrowth of the convective core. As a consequence, the upper mass limit for stars developing a degenerate C-O core is strongly reduced. It is shown that, when such an effect is taken into account, some previous disagreements between theory and observation are spontaneously solved. The authors briefly discuss the implications convective overshooting has on supernovae triggered by electron capture.

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