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arXiv · 1012.1227

Multiple stellar populations in Galactic globular clusters: observational evidence

Antonino P. Milone·Giampaolo Piotto·Luigi R. Bedin·Andrea Bellini·Anna F. Marino·Yazan Momany
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Abstract

An increasing number of both photometric and spectroscopic observations over the last years have shown the existence of distinct sub-populations in many Galactic globular clusters and shattered the paradigm of globulars hosting single, simple stellar populations. These multiple populations manifest themselves in a split of different evolutionary sequences in the cluster color-magnitude diagrams and in star-to-star abundance variations. In this paper we will summarize the observational scenario.

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Antonino P. Milone, Giampaolo Piotto, Luigi R. Bedin, Andrea Bellini, Anna F. Marino, Yazan Momany. 2010-12-06. Multiple stellar populations in Galactic globular clusters: observational evidence. https://arxiv.org/abs/1012.1227

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