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Global and nonglobal parameters of horizontal-branch morphology of globular clusters

Milone, Antonino; Marino, Anna; Dotter, Aaron; Norris, John; Jerjen, Helmut; Piotto, G; Cassisi, S; Bedin, L R; Recio-Blanco, Alejandra; Sarajedini, Ata; Asplund, Martin; Monelli, M; Aparicio, Antonio

Description

The horizontal-branch (HB) morphology of globular clusters (GCs) is mainly determined by metallicity. However, the fact that GCs with almost the same metallicity exhibit different HB morphologies demonstrates that at least one more parameter is needed to

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/69691
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/785/1/21

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