Nuclear reactions in carbon-rich stars

Details Nuclear reactions in carbon-rich stars Nuclear reactions in carbon-rich stars

Dec 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...202..755t&link_type=abstract

Astrophysical Journal, vol. 202, Dec. 15, 1975, pt. 1, p. 755-761. Research supported by the National Research Council of Canad

Astronomy and Astrophysics

Astrophysics

Neutrinos, Nuclear Fusion, Stellar Evolution, Astronomical Models, Carbon, Giant Stars, Stellar Envelopes, Stellar Mass, Stellar Structure

Scientific paper

The combined effect of neutrino losses and of the detailed network of nuclear reactions on the evolution of low-mass, carbon-rich stars is investigated. It is found that models with masses between 0.93 and 0.95 solar masses ignite in a shell which rapidly extends toward the center. For models with masses between 0.95 and 1.25 solar masses, carbon burning takes place directly in the central region. For both ranges of mass, central combustion is followed by a phase of combustion in an outward-moving shell. For the lower-mass range, the end of evolution is marked by a violent flash; none is observed in the higher-mass models which then evolve toward a red giant configuration.

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