Evolutionary sequences of stellar models with new radiative opacities. II - Z = 0.02

Astronomy and Astrophysics – Astrophysics

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Stellar Composition, Stellar Evolution, Stellar Interiors, Stellar Mass, Stellar Models, Hertzsprung-Russell Diagram, Mixing, Opacity, Reaction Kinetics

Scientific paper

A large grid of stellar models computed with the most recent radiative opacities by Iglesias et al. (1992) is presented. The evolutionary tracks have initial masses in the range 0.6 to 120 solar masses and extend from the ZAMS to the beginning of the thermally pulsing regime of the AGB for low and intermediate mass stars, and to the central C-ignition for higher masses. Two smaller samples of stellar models are also presented. The first deals with models of the same chemical composition and opacity but calculated with the classical scheme of mixing. They are meant to provide the necessary tool for discriminating among the two types of mixing. The other sample contains models of the same composition calculated with overshoot and classical radiative opacities by Huebner et al. (1977).

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