Reading the book: from "chemical anomalies" to "standard composition" of globular clusters

A. Bragaglia, E. Carretta, R. Gratton, V. D'Orazi, S. Lucatello, C. Sneden

Research output: Contribution to journalArticlepeer-review

Abstract

It is now commonly accepted that globular clusters (GCs) have undergone a complex formation and that they host at least two stellar generations. This is a recent paradigm and is founded on both photometric and spectroscopic evidence. We concentrate on results based on high-resolution spectroscopy and on how we moved from single to multiple stellar populations concept for GCs. We underline that the peculiar chemical composition of GC stars is fundamental in establishing the multiple populations scenario and briefly outline what can be learned from observations. Finally, recent observational results on large samples of stars in different evolutionary phases are discussed.
Original languageEnglish
Pages (from-to)24-28
Number of pages5
JournalJournal of the Italian Astronomical Society
Volume84
Issue number1
Publication statusPublished - 2013

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