Statistics – Computation
Scientific paper
Nov 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992mnras.259...17s&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 259, no. 1, p. 17-36.
Statistics
Computation
17
A Stars, B Stars, Binary Stars, Chemical Evolution, Stellar Evolution, Stellar Systems, Abundance, Carbon, Computational Astrophysics, Nitrogen, Stellar Mass Accretion, Stellar Models
Scientific paper
Carbon and nitrogen abundances in the photospheres of Algol-type binaries are examined using theoretical models of semidetached systems. It is found that only convection, thermohaline mixing, and circulation caused by the accretion effect are important for binary systems in the semidetached phase. There is no significant difference in the chemical composition of components between case AB and early case B mass transfer. A real difference is found between systems which evolve from initial mass ratios of 10/4 and 10/9. Neither stellar wind nor magnetic stellar wind affect the chemical composition of the secondary components. Analysis of the evolutionary status of the Algol-type binaries revealed that about half of them have evolved from initial mass ratios of about 10/4.
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