The evolution of super-metal-rich stars and the interpretation of old galactic clusters

Details The evolution of super-metal-rich stars and the interpretation of old galactic clusters The evolution of super-metal-rich stars and the interpretation of old galactic clusters

Jan 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977ap%26ss..46..195c&link_type=abstract

Astrophysics and Space Science, vol. 46, Jan. 1977, p. 195-203.

Astronomy and Astrophysics

Astrophysics

Galactic Clusters, Metallic Stars, Stellar Evolution, Stellar Luminosity, Astronomical Models, Helium, Interpretation, Main Sequence Stars, Open Clusters

Scientific paper

The influence of initial helium content on the evolutionary characteristics of super-metal-rich stars (Z equals 0.10) has been investigated. The evolution of models in a specific luminosity range has been followed up to the relative luminosity maximum in the subgiant branch and under the assumption that Y equals 0.20 or 0.40. Comparison with previous results suggests that existence of theoretical constraints that could be adopted as metal indicators for the observed H-R diagrams of old open clusters.

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