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Observing multiple stellar populations with VLT/FORS2: Main sequence photometry in outer regions of NGC 6752, NGC 6397, and NGC 6121 (M 4)

Nardiello, Domenico; Milone, Antonino; Piotto, G; Marino, Anna; Bellini, A; Cassisi, S


Aims. We present the photometric analysis of the external regions of three Galactic globular clusters: NGC 6121, NGC 6397, and NGC 6752. The main goal is the characterization of multiple stellar populations along the main sequence (MS) and the study of the radial trend of different populations hosted by the target clusters. Methods. The data have been collected using the FOcal Reducer and low dispersion Spectrograph 2 (FORS2) mounted at the Very Large Telescope (VLT) UT1 of the European...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201424117
Access Rights: Open Access


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