Multiple Stellar Populations in Globular Clusters

Details Multiple Stellar Populations in Globular Clusters Multiple Stellar Populations in Globular Clusters

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21715215v&link_type=abstract

American Astronomical Society, AAS Meeting #217, #152.15; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

A number of spectroscopic and photometric observations have shown that many globular clusters host multiple stellar populations and challenged the common paradigm that globular clusters are 'simple stellar populations' composed of stars of uniform age and chemical composition. We present the results of a survey of simulations exploring the formation and dynamical evolution of multiple populations in globular clusters and the dependence of the amount of second-generation stars formed on a cluster's structural properties. We also present theoretical estimates of the fraction of the Galactic stellar halo composed of second-generation stars that originated in globular clusters.

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