352 citations · 6.6k across the 189 of their papers we have counts for
89 papers · 1 filter
The variable mass-loss in low-mass red giant stars: Chromospheric motion across stellar evolution in 47 Tuc
Ian Baeza, L. Monaco, H. Frelijj +8
Mass-Loss (ML) is a critical process that remains poorly understood despite its broad implications across astrophysics. Our current knowledge is insufficient to reproduce ML consis…
MINCE IV. A detailed analysis of 37 metal-poor and subsolar metallicity stars
L. Sgatti, G. Cescutti, L. Lombardo +13
The project called Measuring at Intermediate metallicity Neutron-Capture Elements (MINCE) primarily focuses on the photospheric abundances of several neutron-capture (NC) elements…
X-shooter spectroscopy of giant stars in the nuclear star cluster
L. Origlia, C. Fanelli, A. Mucciarelli +5
Near-IR spectra of a homogeneous sample of 15 red giants in the Galactic nuclear star cluster, within 1.5 pc of SgrA*, have been acquired with X-shooter at the Very Large Telescope…
Carbon measurements in two ultra-faint dwarf galaxies: Grus II and Tucana IV
Valentina Verdiani, Ása Skúladóttir, Romain Lucchesi +7
The ultra-faint dwarf galaxies (UFDs) are some of the oldest and most metal-poor environments in the Local Group. In particular, they are predicted to host the first stars (only H…
MgAl burning chain in M 54: the globular cluster-like properties of a nuclear star cluster
D. A. Alvarez Garay, A. Mucciarelli, P. Ventura +2
In this study, we present the chemical abundances of Fe, Mg, Al, Si, and K for a sample of 233 likely member stars of M 54. All the stars were observed with the FLAMES high-resolut…
The chemical DNA of the Magellanic Clouds V. R-process dominates neutron capture elements production in the oldest SMC stars
Lorenzo Santarelli, Marco Palla, Alessio Mucciarelli +4
We present the chemical abundances of Fe, alpha- and neutron-capture elements in 12 metal-poor Small Magellanic Cloud (SMC) giant stars, observed with the high-resolution spectrogr…
KOALA, a new ATLAS9 database -- I. Model atmospheres, opacities, fluxes, bolometric corrections, magnitudes and colours
A. Mucciarelli, P. Bonifacio, C. Lardo
We present the KOALA database, a new set of LTE, line-blanketed model atmospheres calculated with the code ATLAS9, together with the corresponding Opacity Distribution Functions an…
Fast Rotating Blue Straggler Stars in the globular cluster NGC 1851
Alex Billi, Lorenzo Monaco, Francesco R. Ferraro +4
In this work we study the rotational velocities of a sample of blue straggler stars (BSSs) and reference stars belonging to the Galactic globular cluster NGC 1851, using high-resol…
The chemical DNA of the Magellanic Clouds III. The first, extragalactic Mg-K anticorrelation: the LMC globular cluster NGC 1786
Deimer Antonio Alvarez Garay, Alessio Mucciarelli, Lorenzo Monaco
In this work we derived [K/Fe] and [Mg/Fe] abundance ratios for six stars of the old globular cluster NGC 1786 in the Large Magellanic Cloud. We employed high-resolution spectra ac…
Detection of a white dwarf orbiting a Carbon-Oxygen depleted blue straggler in 47 Tucanae
Elisabetta Reggiani, Mario Cadelano, Barbara Lanzoni +3
We have employed deep far-UV observations secured with the Solar Blind Channel of the Advanced Camera for Surveys onboard the Hubble Space Telescope to search for hot companions to…
Inferring the efficiency of convective-envelope overshooting in Red Giant Branch stars
Lorenzo Briganti, Marco Tailo, Edoardo Ceccarelli +6
The understanding of mixing processes in stars is crucial for improving our knowledge of the chemical abundances in stellar photospheres and of their variation with evolutionary ph…
Rotational velocities of Blue Straggler Stars in the Globular Cluster M55
Alex Billi, Francesco R. Ferraro, Alessio Mucciarelli +3
By using high-resolution spectra acquired with FLAMES-GIRAFFE at the ESO/VLT, we measured radial and rotational velocities of 115 stars in the Galactic globular cluster M55. After…
The true nature of HE0057-5959, the most metal-poor Li-rich star
A. Mucciarelli, P. Bonifacio, L. Monaco +2
The Li-rich stars are a class of rare objects with A(Li) higher than that of other stars in the same evolutionary stage. Their origin is still debated and valuable routes are the C…
MINCE II. Neutron capture elements
P. François, G. Cescutti, P. Bonifacio +24
The MINCE (Measuring at Intermediate metallicity Neutron-Capture Elements) project aims to gather the abundances of neutron-capture elements but also of light elements and iron pea…
High speed stars: III. Detailed abundances and binary nature of the extreme speed star GHS143
E. Caffau, P. Bonifacio L. Monaco, L. Sbordone +7
The Gaia satellite has provided the community with three releases containing astrometrical and photometric data as well as by products, such as stellar parameters and variability i…
The updated BaSTI stellar evolution models and isochrones.IV. alpha-depleted calculations
Adriano Pietrinferni, Maurizio Salaris, Santi Cassisi +4
This is the fourth paper of our new release of the BaSTI (a Bag of Stellar Tracks and Isochrones) stellar model and isochrone library. Following the updated solar-scaled, alpha-enh…
MgAl burning chain in Omega Centauri
Deimer Antonio Alvarez Garay, Alessio Mucciarelli, Michele Bellazzini +2
In this study, we report the results of Fe, Mg, Al, and Si abundances analysis for a sample of 439 stars in Omega Centauri, using high-resolution spectra obtained with the VLT/FLAM…
Fast rotating Blue Straggler Stars in the Globular Cluster NGC3201
Alex Billi, Francesco R. Ferraro, Alessio Mucciarelli +7
We used high resolution spectra acquired at the Magellan Telescope to measure radial and rotational velocities of approximately 200 stars in the Galactic globular cluster NGC 3201.…
Fast rotating Blue Stragglers prefer loose clusters
Francesco R. Ferraro, Alessio Mucciarelli, Barbara Lanzoni +9
Blue stragglers are anomalously luminous core hydrogen-burning stars formed through mass-transfer in binary/triple systems and stellar collisions. Their physical and evolutionary p…
MINCE I. Presentation of the project and of the first year sample
G. Cescutti, P. Bonifacio, E. Caffau +20
In recent years, Galactic archaeology has become a particularly vibrant field of astronomy, with its main focus set on the oldest stars of our Galaxy. In most cases, these stars ha…
The Gaia-ESO Public Spectroscopic Survey: Motivation, implementation, GIRAFFE data processing, analysis, and final data products
G. Gilmore, S. Randich, C. C. Worley +165
The Gaia-ESO Public Spectroscopic Survey is an ambitious project designed to obtain astrophysical parameters and elemental abundances for 100,000 stars, including large representat…
Lithium detection in red supergiant stars of the Perseus complex
C. Fanelli, L. Origlia, A. Mucciarelli +3
We present the first systematic study of lithium abundance in a chemically homogeneous sample of 27 red supergiants (RSGs) in the young Perseus complex. For these stars, accurate s…
Discovery of a thin lithium plateau among metal-poor red giant branch stars
A. Mucciarelli, L. Monaco, P. Bonifacio +5
The surface lithium abundance A(Li) of warm metal-poor dwarf stars exhibits a narrow plateau down to [Fe/H]~-2.8 dex, while at lower metallicities the average value drops by 0.3 de…
The Mg-K anti-correlation in Omega Centauri
Deimer Antonio Alvarez Garay, Alessio Mucciarelli, Carmela Lardo +2
We present [K/Fe] abundance ratios for a sample of 450 stars in Omega Centauri, using high resolution spectra acquired with the multi-object spectrograph FLAMES@VLT. Abundances for…