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Spectroscopic signatures of extratidal stars around the globular clusters NGC 6656 (M 22), NGC 3201, and NGC 1851 from RAVE

Kunder, A; Bono, G; Piffl, T.; Steinmetz, M.; Grebel, E.; Anguiano, B; Freeman, Kenneth; Kordopatis, G; Zwitter, T; Scholz, R-D; Gibson, Brad


Context. Stellar population studies of globular clusters have suggested that the brightest clusters in the Galaxy might actually be the remnant nuclei of dwarf spheroidal galaxies. If the present Galactic globular clusters formed within larger stellar systems, they are likely to be surrounded by extratidal halos and/or tails made up of stars that were tidally stripped from their parent systems. Aims. The stellar surroundings around globular clusters are therefore one of the best places to look...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201424113


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