Marino, Anna; Milone, Antonino; Piotto, G; Villanova, S; Gratton, Raffaele G.; D'Antona, Francesca; Anderson, Jay; Bedin, L R; Bellini, A; Cassisi, S; Geisler, D; Renzini, Alvio; Zoccali, M
Omega Centauri is no longer the only globular cluster known to contain multiple stellar populations, yet it remains the most puzzling. Due to the extreme way in which the multiple stellar population phenomenon manifests in this cluster, it has been suggested that it may be the remnant of a larger stellar system. In this work, we present a spectroscopic investigation of the stellar populations hosted in the globular cluster ω Centauri to shed light on its still puzzling chemical enrichment...[Show more]
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