Implications of the barium abundance in metal rich BA II stars

Details Implications of the barium abundance in metal rich BA II stars Implications of the barium abundance in metal rich BA II stars

Jun 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....75..371r&link_type=abstract

Astronomy and Astrophysics, vol. 75, no. 3, June 1979, p. 371-373.

Astronomy and Astrophysics

Astrophysics

5

Abundance, Barium, Metallic Stars, Red Giant Stars, Stellar Evolution, Stellar Mass, Astrophysics, Body Kinematics, Carbon, Correlation, Iron Isotopes, Neutron Irradiation, Nuclear Fusion, Stellar Models

Scientific paper

Some astrophysical implications of the anticorrelation between the Ba abundance and metallicity of Ba II stars, on the one hand, and the age of these stars, on the other, are considered. Observed Ba abundance variation among the Ba II stars are discussed, and the possible stellar mass range is restricted to the interval from 1.25 to about 1.5 solar masses. The Ba abundance variations are interpreted in terms of age, mass, and metallicity effects.

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