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The radial distributions of the two main-sequence components in the young massive star cluster NGC 1856

Li, Chengyuan; de Grijs, Richard; Deng, L.; Milone, Antonino P.


The recent discovery of double main sequences in the young, massive star cluster NGC 1856 has caught significant attention. The observations can be explained by invoking two stellar generations with different ages and metallicities or by a single generation of stars composed of two populations characterized by different rotation rates. We analyzed the number ratios of stars belonging to both main-sequence components in NGC 1856 as a function of radius. We found that their number ratios remain...[Show more]

CollectionsANU Research Publications
Date published: 2017-01-11
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.3847/1538-4357/834/2/156
Access Rights: Open Access via publisher site


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