188 citations · 549 across the 8 of their papers we have counts for
8 papers
Proper motions in Terzan 5: membership of the multi-iron sub-populations and first constrain to the orbit
Davide Massari, E. Dalessandro, F. R. Ferraro +6
By exploiting two sets of high-resolution images obtained with HST ACS/WFC over a baseline of ~10 years we have measured relative proper motions of ~70,000 stars in the stellar sys…
The WFPC2 UV Survey: the BSS population in NGC 5824
N. Sanna, E. Dalessandro, F. R. Ferraro +3
We have used a combination of high-resolution Hubble Space Telescope WFPC2 and wide-field ground-based observations, in ultraviolet and optical bands, to study the blue straggler s…
Double Blue Straggler sequences in GCs: the case of NGC 362
E. Dalessandro, F. R. Ferraro, D. Massari +8
We used high-quality images acquired with the WFC3 on board the HST to probe the blue straggler star (BSS) population of the Galactic globular cluster NGC 362. We have found two di…
The velocity dispersion profile of NGC 6388 from resolved-star spectroscopy: no evidence of a central cusp and new constraints on the black hole mass
B. Lanzoni, A. Mucciarelli, L. Origlia +8
By combining high spatial resolution and wide-field spectroscopy performed, respectively, with SINFONI and FLAMES at the ESO/VLT we measured the radial velocities of more than 600…
Two distinct sequences of blue straggler stars in the globular cluster M30
F. R. Ferraro, G. Beccari, E. Dalessandro +7
Stars in globular clusters are generally believed to have all formed at the same time, early in the Galaxy's history. 'Blue stragglers' are stars massive enough that they should ha…
Density and kinematic cusps in M54 at the heart of the Sagittarius dwarf galaxy: evidence for a 10^4 M_sun Black Hole?
R. Ibata, M. Bellazzini, S. C. Chapman +8
We report the detection of a stellar density cusp and a velocity dispersion increase in the center of the globular cluster M54, located at the center of the Sagittarius dwarf galax…