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Velocity anisotropy in tidally limited star clusters
Maria Tiongco, Enrico Vesperini, Anna Lisa Varri
We explore the long-term evolution of the anisotropy in the velocity space of star clusters starting with different structural and kinematical properties. We show that the evolutio…
The extended Main Sequence Turn Off cluster NGC1856: rotational evolution in a coeval stellar ensemble
F. D'Antona, M. Di Criscienzo, T. Decressin +3
Multiple or extended turnoffs in young clusters in the Magellanic Clouds have recently received large attention. A number of studies have shown that they may be interpreted as the…
Rapidly rotating second-generation progenitors for the blue hook stars of ω Cen
Marco Tailo, Francesca D'Antona, Enrico Vesperini +9
Horizontal Branch stars belong to an advanced stage in the evolution of the oldest stellar galactic population, occurring either as field halo stars or grouped in globular clusters…
Chemical Abundances in NGC 5053: A Very Metal-Poor and Dynamically Complex Globular Cluster
Owen M. Boberg, Eileen D. Friel, Enrico Vesperini
NGC 5053 provides a rich environment to test our understanding of the complex evolution of globular clusters (GCs). Recent studies have found that this cluster has interesting morp…
Evolution of Binary Stars in Multiple-Population Globular Clusters
Jongsuk Hong, Enrico Vesperini, Antonio Sollima +3
The discovery of multiple stellar populations in globular clusters has implications for all the aspects of the study of these stellar systems. In this paper, by means of N-body sim…