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A deep HST view of the open cluster NGC2158: binaries, mass functions, and M-dwarf discontinuity
A. V. Marchuk, F. Muratore, A. P. Milone +13
A significant fraction of stars in both the Galactic field and stellar clusters are members of binary systems. Understanding their properties is therefore essential for a comprehen…
Photometric Binaries in 14 Magellanic Cloud Star Clusters
Anjana Mohandasan, Antonino P. Milone, Giacomo Cordoni +7
Binary stars play a major role in determining the dynamic evolution of star clusters. We used images collected with the Hubble Space Telescope to study fourteen Magellanic Clouds s…
Multiple stellar populations in Asymptotic Giant Branch stars of Galactic Globular Clusters
E. P. Lagioia, A. P. Milone, A. F. Marino +8
Multiple stellar populations (MPs) are a distinct characteristic of Globular Clusters (GCs). Their general properties have been widely studied among main sequence, red giant branch…
Mass loss along the red giant branch in 46 Globular Clusters and their multiple populations
M. Tailo, A. P. Milone, E. P. Lagioia +7
The location of Galactic Globular Clusters' (GC) stars on the horizontal branch (HB) should mainly depend on GC metallicity, the "first parameter", but it is actually the result of…
Gaia and Hubble unveil the kinematics of stellar populations in the Type II globular clusters ω Centauri and M 22
G. Cordoni, A. P. Milone, A. F. Marino +8
The origin of multiple stellar populations in Globular Clusters (GCs) is one of the greatest mysteries of modern stellar astrophysics. N-body simulations suggest that the present-d…
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. XXI. Binaries among multiple stellar populations
A. P. Milone, E. Vesperini, A. F. Marino +17
A number of scenarios for the formation of multiple populations in globular clusters (GCs) predict that second generation (2G) stars form in a compact and dense subsystem embedded…