Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.206..849r&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 206, Feb. 15, 1984, p. 849-857.
Astronomy and Astrophysics
Astronomy
3
Carbon Stars, Stellar Cores, Stellar Envelopes, Stellar Evolution, Stellar Mass, Stellar Structure, Abundance, Convection, Hertzsprung-Russell Diagram, Neutral Currents, Neutrinos, Thermonuclear Reactions
Scientific paper
The evolution of a 16 M_sun; star from main sequence to carbon shell burning is studied with a view to understanding the sensitivity of evolutionary characteristics, like the time duration, the extent of convective regions, etc., to the physical inputs. The neutrino emission rate is very crucial in deciding the maximum extent of the convective carbon core. The neutral current effect changes this parameter by ≈1 per cent. Further, there is a direct correlation between opacity changes as well as the equation of state and the maximum extent of the convective carbon core.
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