Observations of multiple populations in star clusters

Details Observations of multiple populations in star clusters Observations of multiple populations in star clusters

Jun 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009iaus..258..233p&link_type=abstract

The Ages of Stars, Proceedings of the International Astronomical Union, IAU Symposium, Volume 258, p. 233-244

Astronomy and Astrophysics

Astronomy

54

Globular Clusters, Stars: Horizontal-Branch, Stellar Populations, Techniques: Photometric, Astrometry

Scientific paper

An increasing number of photometric observations of multiple stellar populations in Galactic globular clusters is seriously challenging the paradigm of GCs hosting single, simple stellar populations. These multiple populations manifest themselves in a split of different evolutionary sequences as observed in the cluster color-magnitude diagrams. Multiple stellar populations have been identified in Galactic and Magellanic Cloud clusters. In this paper we will summarize the observational scenario.

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