Carbon shell flash in a 9-solar-mass star

Details Carbon shell flash in a 9-solar-mass star Carbon shell flash in a 9-solar-mass star

Sep 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978a%26a....69..143e&link_type=abstract

Astronomy and Astrophysics, vol. 69, no. 1, Sept. 1978, p. 143, 144.

Astronomy and Astrophysics

Astrophysics

5

Astrophysics, Carbon, Convective Flow, Stellar Envelopes, Stellar Evolution, Degeneration, Helium, Neutrinos, Stellar Mass

Scientific paper

In medium-mass stars neutrino cooling of the core causes carbon to ignite under degenerate conditions at some distance from the center. Hence, a carbon shell flash will develop. This note presents the evolution of a 9-solar-mass star through such a flash. The flash moves inward and finally removes the degeneracy. The convective shell appearing above the flash region extends toward the convective envelope, but in the computations reported no mixing took place. The chance of such mixing would be better for a star with slightly smaller mass.

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