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The helium spread in the globular cluster 47 Tuc

Di Criscienzo, M; Ventura, P; D'Antona, Francesca; Milone, Antonino; Piotto, G

Description

Spectroscopy has shown the presence of CN band dichotomy and Na-O anticorrelations for 50-70 per cent of the investigated samples in the cluster 47 Tuc, otherwise considered a 'normal' prototype of high-metallicity clusters from its photometric analysis.

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/79587
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1111/j.1365-2966.2010.17168.x

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