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Chemical Abundances along the 1G Sequence of the Chromosome Maps: The Globular Cluster NGC 3201

Marino, A F; Milone, Antonino P; Sills, A.; Yong, David; Renzini, Alvio; Bedin, L R; Cordoni, G; D'Antona, F.; Jerjen, Helmut; Karakas, A. I.; Lagioia, E P; Piotto, Giampaolo P


The Hubble Space Telescope (HST) UV Legacy Survey of Galactic Globular Clusters (GCs) has investigated multiple stellar populations by means of the “chromosome map” (ChM) diagnostic tool that maximizes the separation between stars with different chemical compositions. One of the most challenging features revealed by ChM analysis is the apparent inhomogeneity among stars belonging to the first population, a phenomenon largely attributed to He variations. However, this explanation is not...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.3847/1538-4357/ab53d9
Access Rights: Open Access


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