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Exploring the nature and synchronicity of early cluster formation in the Large Magellanic Cloud - V. Multiple populations in ancient globular clusters

Gilligan, Christina; Chaboyer, Brian; Cummings, Jeffrey D; Mackey, Dougal; Cohen, Roger E; Geisler, D; Grocholski, Aaron J.; Parisi, M. C.; Sarajedini, Ata; Ventura, P; Villanova, S


We examine four ancient Large Magellanic Cloud (LMC) globular clusters (GCs) for evidence of multiple stellar populations using the Advanced Camera for Surveys and Wide Field Camera 3 on the Hubble Space Telescope Programme GO-14164. NGC 1466, NGC 1841, and NGC 2257 all show evidence for a redder, secondary population along the main sequence. Reticulum does not show evidence for the presence of a redder population, but this GC has the least number of stars and Monte Carlo simulations indicate...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/staa822
Access Rights: Open Access


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