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Updated properties of the old open cluster Melotte 66: Searching for multiple stellar populations

Carraro, G; De Silva, Gayandhi; Monaco, Lorenzo; Milone, Antonino; Mateluna, Renee

Description

Context. Multiple generations of stars are routinely encountered in globular clusters but no convincing evidence has been found in Galactic open clusters to date. Aims. In this paper, we use new photometric and spectroscopic data to search for multiple stellar population signatures in the old, massive open cluster, Melotte 66. The cluster is known to have a red giant branch wide in color, which could be an indication of metallicity spread. Also the main sequence is wider than what is expected...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/71012
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201423714

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