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The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters - XII. The RGB bumps of multiple stellar populations

Lagioia, E. P.; Milone, Antonino P.; Marino, Anna Fabiola; Cassisi, S.; Aparicio, A.; Piotto, G.; Anderson, J.; Barbuy, Beatriz; Bedin, L. R.; Bellini, A.; D'Antona, Francesca; Nardiello, D.; Ortolani, Sergio; Pietrinferni, A.; Renzini, Alvio; Salaris, M.; Sarajedini, A.; van der Marel, R. P.; Vesperini, E.


The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters is providing a major breakthrough in our knowledge of globular clusters (GCs) and their stellar populations. Among the main results, we discovered that all the studied GCs host two main discrete groups consisting of first generation (1G) and second generation (2G) stars. We exploit the multiwavelength photometry from this project to investigate, for the first time, the Red Giant Branch Bump (RGBB) of the two generations...[Show more]

CollectionsANU Research Publications
Date published: 2018-01-12
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/sty083
Access Rights: Open Access


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