130 citations · 1k across the 29 of their papers we have counts for
29 papers
Binary stars as dynamical tracers in globular clusters .II. Evolution of the radial distribution of the binary star fraction
J. Bruce, E. Vesperini, E. Dalessandro +5
The distinct dynamical environments occupied by multiple stellar populations in globular clusters play a significant role in many aspects of cluster evolution, including the dynami…
Binary Stars as Dynamical Tracers in Globular Clusters .I. First Observations of Bimodal Spatial Distributions
M. Cadelano, E. Dalessandro, J. Bruce +7
We present the first homogeneous study of the radial distribution of the binary fraction across the full extent of six Galactic globular clusters (GCs) spanning a wide range of dyn…
The Bulge Cluster Origin (BulCO) survey with CRIRES at the ESO-VLT: a chemical screening of the Globular Cluster NGC 6553
A. Bartolomei, L. Origlia, C. Fanelli +10
In this paper we present the chemical screening of the stellar population belonging to the globular cluster NGC 6553 in the Galactic bulge. This study has been conducted in the con…
The multi-age stellar populations of Terzan 5 as revealed by JWST
G. Zullo, C. Pallanca, F. R. Ferraro +10
The James Webb Space Telescope provides an exciting opportunity to investigate stellar systems located in heavily obscured regions like the Galactic bulge. Possibly, the most enigm…
Revealing the stellar population of the ultra-obscured Galactic globular cluster Glimpse-C02
M. Loriga, M. Cadelano, C. Pallanca +10
In this paper, we present the results of a detailed photometric analysis of Glimpse-C02, one of the most extincted globular clusters of the Milky Way. We built a deep color magnitu…
Bulge Fossil Fragments as a new population of factories of gravitational wave sources in the Galaxy
F. R. Ferraro, E. Vesperini, B. Lanzoni +9
The discovery of the complex stellar populations hosted in two massive stellar systems in the Galactic bulge, namely Terzan5 and Liller 1, posed intriguing questions about their or…
On the manifest link between Terzan 5 and the Galactic bulge
L. Origlia, F. R. Ferraro, C. Fanelli +4
We address the chemical link between Terzan 5 (hereafter Ter5) and the Bulge, as probed by the observed distributions of [/Fe] abundance ratios with varying [Fe/H] and by suitab…
The Bulge Cluster Origin (BulCO) survey at the ESO-VLT: probing the early history of the Milky Way assembling. Design and first results in Liller1
F. R. Ferraro, L. Chiappino, A. Bartolomei +14
We present the scientific goals and the very first results of the Bulge Cluster Origin (BulCO) survey. This survey has been specifically designed to perform an unprecedented chemic…
The star formation history of the first bulge fossil fragment candidate Terzan 5
Chiara Crociati, Michele Cignoni, Emanuele Dalessandro +6
Context. Terzan 5 and Liller 1 are the only bulge stellar clusters hosting multi-iron and multi-age stellar populations. They are therefore claimed to constitute a novel class of a…
Detailed chemical abundances of the globular cluster Terzan 6 in the inner bulge
C. Fanelli, L. Origlia, A. Mucciarelli +7
We used near-infrared spectroscopy at medium-high resolution (R=8,00025,000) to perform the first comprehensive chemical study of the intermediate luminosity bulge globular clus…
Digging for relics of the past: the ancient and obscured bulge globular cluster NGC6256
Mario Cadelano, Sara Saracino, Emanuele Dalessandro +5
We used a set of moderately-deep and high-resolution optical observations obtained with the Hubble Space Telescope to investigate the properties of the stellar population in the he…
The ESO Multi-Instrument Kinematic Survey (MIKiS) of Galactic Globular Clusters: solid body rotation and anomalous velocity dispersion profile in NGC 5986
B. Lanzoni, F. R. Ferraro, A. Mucciarelli +11
As part of the ESO-VLT Multi-Instrument Kinematic Survey (MIKiS) of Galactic globular clusters, we present a detailed investigation of the internal kinematics of NGC 5986. The anal…
The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters - XV. The dynamical clock: reading cluster dynamical evolution from the segregation level of blue straggler stars
F. R. Ferraro, B. Lanzoni, S. Raso +17
The parameter A+, defined as the area enclosed between the cumulative radial distribution of blue straggler stars (BSSs) and that of a reference population, is a powerful indicator…
The Peculiar Radial Distribution of Multiple Populations in the massive globular cluster M80
E. Dalessandro, M. Cadelano, E. Vesperini +7
We present a detailed analysis of the radial distribution of light-element multiple populations (LE-MPs) in the massive and dense globular cluster M80 based on the combination of U…
The "UV-route" to search for Blue Straggler Stars in Globular Clusters: first results from the HST UV Legacy Survey
S. Raso, F. R. Ferraro, E. Dalessandro +4
We used data from the HST UV Legacy Survey of Galactic Globular Clusters to select the Blue Straggler Star (BSS) population in four intermediate/high density systems (namely NGC 28…
The age of the young bulge-like population in the stellar system Terzan5: linking the Galactic bulge to the high-z Universe
F. R. Ferraro, D. Massari, E. Dalessandro +5
The Galactic bulge is dominated by an old, metal rich stellar population. The possible presence and the amount of a young (a few Gyr old) minor component is one of the major issues…
Multiple populations in the old and massive Small Magellanic Cloud globular cluster NGC121
E. Dalessandro, E. Lapenna, A. Mucciarelli +3
We used a combination of optical and near-UV Hubble Space Telescope photometry and FLAMES/ESO-VLT high-resolution spectroscopy to characterize the stellar content of the old and ma…
Searching in the dark: the dark mass content of the Milky Way globular clusters NGC288 and NGC6218
A. Sollima, F. R. Ferraro, L. Lovisi +8
We present an observational estimate of the fraction and distribution of dark mass in the innermost region of the two Galactic globular clusters NGC 6218 (M12) and NGC 288. Such an…
Chemical analysis of Asymptotic Giant Branch stars in M62
E. Lapenna, A. Mucciarelli, F. R. Ferraro +4
We have collected UVES-FLAMES high-resolution spectra for a sample of 6 asymptotic giant branch (AGB) and 13 red giant branch (RGB) stars in the Galactic globular cluster M62 (NGC6…
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…
Probing the MSP prenatal stage: the optical identification of the X-ray burster EXO 1745-248 in Terzan 5
F. R. Ferraro, C. Pallanca, B. Lanzoni +5
We report on the optical identification of the neutron star burster EXO 1745-248 in Terzan 5. The identification was performed by exploiting HST/ACS images acquired in Director's D…
Radial velocities from VLT-KMOS spectra of giant stars in the globular cluster NGC 6388
Emilio Lapenna, Livia Origlia, Alessio Mucciarelli +5
We present new radial velocity measurements for 82 stars, members of the Galactic globular cluster NGC 6388, obtained from ESO-VLT KMOS spectra acquired during the instrument Scien…
Ceci n'est pas a globular cluster: the metallicity distribution of the stellar system Terzan 5
Davide Massari, A. Mucciarelli, F. R. Ferraro +9
We present new determinations of the iron abundance for 220 stars belonging to the stellar system Terzan 5 in the Galactic bulge. The spectra have been acquired with FLAMES at the…
Chemical and kinematical properties of Galactic bulge stars surrounding the stellar system Terzan 5
Davide Massari, A. Mucciarelli, F. R. Ferraro +8
As part of a study aimed at determining the kinematical and chemical properties of Terzan 5, we present the first characterization of the bulge stars surrounding this puzzling stel…