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Clear evidence for the presence of second-generation asymptotic giant branch stars in metal-poor Galactic globular clusters
D. A. Garcia-Hernandez, Sz. Meszaros, M. Monelli +5
Galactic globular clusters (GCs) are known to host multiple stellar populations: a first generation with a chemical pattern typical of halo field stars and a second generation (SG)…
NGC 6139: a normal massive globular cluster or a first-generation dominated cluster? Clues from the light elements
A. Bragaglia, E. Carretta, A. Sollima +5
Information on globular clusters (GC) formation mechanisms can be gathered by studying the chemical signature of the multiple populations that compose these stellar systems. In par…
The GAPS Programme with HARPS-N at TNG. X. Differential abundances in the XO-2 planet hosting binary
K. Biazzo, R. Gratton, S. Desidera +26
Binary stars hosting exoplanets are a unique laboratory where chemical tagging can be performed to measure with high accuracy the elemental abundances of both stellar components, w…
The SDSS-IV in 2014: A Demographic Snapshot
Britt Lundgren, Karen Kinemuchi, Gail Zasowski +8
Many astronomers now participate in large international collaborations, and it is important to examine whether these structures foster a scientific climate that is inclusive and di…
Lithium abundances in globular cluster giants: NGC 1904, NGC 2808, and NGC 362
V. D'Orazi, R. G. Gratton, G. C. Angelou +7
The presence of multiple populations in globular clusters has been well established thanks to high-resolution spectroscopy. It is widely accepted that distinct populations are a co…
The normal chemistry of multiple stellar populations in the dense globular cluster NGC 6093 (M 80)
E. Carretta, A. Bragaglia, R. G. Gratton +6
We present the abundance analysis of 82 red giant branch stars in the dense, metal-poor globular cluster NGC 6093 (M 80), the largest sample of stars analyzed in this way for this…