A WFC3/HST view of the three stellar populations in the globular cluster NGC 6752
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Milone, Antonino
Marino, Anna
Piotto, G
Bedin, L R
Anderson, Jay
Aparicio, A
Bellini, A
Cassisi, S
D'Antona, Francesca
Grundahl, Frank
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IOP Publishing
Abstract
Multi-band Hubble Space Telescope photometry reveals that the main sequence, sub-giant, and the red-giant branch of the globular cluster NGC 6752 splits into three main components in close analogy with the three distinct segments along its horizontal bran
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Astrophysical Journal, The
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