The Self-Enrichment Scenario in Intermediate Metallicity Globular Clusters

Details The Self-Enrichment Scenario in Intermediate Metallicity Globular Clusters The Self-Enrichment Scenario in Intermediate Metallicity Globular Clusters

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1001...49v&link_type=abstract

IXTH TORINO WORKSHOP ON EVOLUTION AND NUCLEOSYNTHESIS IN AGB STARS AND THE IIND PERUGIA WORKSHOP ON NUCLEAR ASTROPHYSICS. AIP C

Astronomy and Astrophysics

Astrophysics

Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages, Abundances, Chemical Composition, Globular Clusters In The Milky Way, Giant And Subgiant Stars

Scientific paper

We test the reliability of the self-enrichment scenario for Globular Clusters of intermediate metallicity, i.e. [Fe/H]~-1.3. To this scope, we calculated new models of intermediate mass stars evolved during the Asymptotic giant branch phase, with the latest updates of the input physics and with an α-enhanced mixture [α/Fe] = +0.4. We compare the theoretical yields with the observed patterns of stars in Globular Clusters, and confirm that when convection is modelled efficiently, the chemical composition of the ejecta of the most massive models are in agreement with the observed abundance patterns.

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