216 citations · 2.1k across the 35 of their papers we have counts for
12 papers · 1 filter
Near-IR properties of 24 Globular Clusters in the Galactic Bulge
E. Valenti, F. R. Ferraro, L. Origlia
We present near-IR Color-Magnitude Diagrams and physical parameters for a sample of 24 Galactic Globular Clusters toward the Bulge direction. In this paper we discuss the propertie…
High-resolution spectroscopy of RGB stars in the Sagittarius Streams. I. Radial velocities and chemical abundances
L. Monaco, M. Bellazzini, P. Bonifacio +5
Context. The Sagittarius (Sgr) dwarf spheroidal galaxy is currently being disrupted under the strain of the Milky Way. A reliable reconstruction of Sgr star formation history can o…
The radial distribution of blue straggler stars and the nature of their progenitors
M. Mapelli, S. Sigurdsson, F. R. Ferraro +3
The origin of blue straggler stars (BSS) in globular clusters (GCs) is still not fully understood: they can form from stellar collisions, or through mass transfer in isolated, prim…
A population of binaries in the Asymptotic Giant Branch of 47 Tucanae?
Giacomo Beccari, Francesco R. Ferraro, Barbara Lanzoni +1
We have used a set of archived Hubble Space Telescope/ACS images to probe the evolved populations of the globular cluster 47 Tucanae. We find an excess of Asymptotic Giant Branch (…
Deep FORS1 observations of the double Main Sequence of omega Centauri
A. Sollima, F. R. Ferraro, M. Bellazzini +3
We present the results of a deep photometric survey performed with FORS1@VLT aimed at investigating the complex Main Sequence structure of the stellar system omega Centauri. We con…
Detection of a population gradient in the Sagittarius Stream
M. Bellazzini, H. J. Newberg, M. Correnti +2
We present a quantitative comparison between the Horizontal Branch morphology in the core of the Sagittarius dwarf spheroidal galaxy (Sgr) and in a wide field sampling a portion of…