Models for Metal-Poor Stars with Different Initial Abundances of C, N, O, Mg, and Si. II. Application to the Colour-Magnitude Diagrams of the Globular Clusters 47 Tuc, NGC 6362, M5, M3, M55, and M92

arXiv (Cornell University)（2021）

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摘要

Stellar models for -2.5 ~ +0.5). Allowing for moderate He abundance variations (delta Y ~ 0.05) improves the fits to the observations.

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关键词

globular clusters,different initial abundances,ngc,metal-poor,colour-magnitude

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