The Multiplicity of Main Sequence Turnoffs in Globular Clusters

Details The Multiplicity of Main Sequence Turnoffs in Globular Clusters The Multiplicity of Main Sequence Turnoffs in Globular Clusters

2008-08-06

arxiv.org/abs/0808.0846v1

Astron.Rep.52:352,2008

Astronomy and Astrophysics

Astrophysics

13 pages, 7 figures

Scientific paper

10.1134/S1063772908050028

We present color-magnitude diagrams of globular clusters for models with self-enrichment and pre-enrichment. The models with self-enrichment turn out to have two or more main sequence turnoff points in the color-magnitude diagram if the fraction of mass lost by the globular cluster under supernova explosions does not exceed 95-97%. The models with pre-enrichment can have only one main sequence turnoff point. We argue that the cluster wCen evolved according to a self-enrichment scenario.

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