Multiple Stellar Populations in Galactic GCs: Observational Evidence

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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 some evolutionary sequences of the cluster color-magnitude diagrams. In this paper we will summarize the observational scenario.
Invited talk given at the Cefalu' 2007 Workshop "XXI Century Challenges for Stellar Evolution". To appear in Memorie della Societa' Astronomica Italiana, vol. 79/2, eds. S. Cassisi & M. Salaris

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Astrophysics

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http://salesiana.dossiersoluciones.com/handle/123456789/146332

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0801.3175
 http://arxiv.org/abs/0801.3175

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arXiv