43 citations · 202 across the 20 of their papers we have counts for
21 papers
Euclid: Data Release 1 (DR1) -- Fornax-7, an ultra-faint companion to the Fornax dwarf spheroidal galaxy? A remote star cluster or dwarf satellite of the Fornax dSph
T. Saifollahi, A. Lançon, A. M. N. Ferguson +165
We report the discovery of an ultra-faint stellar system in the vicinity of the Fornax dwarf spheroidal (dSph) galaxy in Euclid DR1. This system, which we designate Fornax-7, is lo…
Determination of [Fe/H] in Fundamental mode Classical Cepheids from Gaia DR3 light curve Fourier parameters
Roberto Molinaro, Vincenzo Ripepi, Marcella Marconi +9
Estimating the iron abundance ([Fe/H]) of Classical Cepheids (CCs) is crucial both for validating the cosmic distance scale through the Period-Luminosity relation and for tracing t…
STEP survey: III. STEPping stones between the clouds: the star formation history of the Magellanic Bridge
F. Ficara, V. Ripepi, M. Cignoni +8
The Magellanic Clouds (MCs) offer a unique laboratory for studying galaxy interaction and the evolution of dwarf galaxies. By investigating when and how stars formed, the star form…
The model fitting of Gaia DR3 Classical Cepheid light and radial velocity curves
R. Molinaro, M. Marconi, G. De Somma +6
Classical Cepheids are key astrophysical laboratories for studying stellar structure and evolution, and for calibrating the cosmic distance scale. Despite major progress, uncertain…
Ultra Long Period Cepheids as standard candles from Gaia to Rubin-LSST
I. Musella, S. Leccia, R. Molinaro +10
An analysis of the Ultra Long Period Cepheids (ULPs) properties could significantly contribute to understanding the Hubble constant tension, e.g. the current discrepancy between de…
The YMCA (Yes, Magellanic Clouds Again) survey: probing the outer regions of the Magellanic system with VST
Massimiliano Gatto, Vincenzo Ripepi, Michele Bellazzini +9
The Magellanic Clouds (MCs) are the Milky Way's most massive dwarf satellites. As they also represent the closest pair of galaxies in an ongoing tidal interaction, while simultaneo…
Cepheid Metallicity in the Leavitt Law (C- MetaLL) survey: VI: Radial abundance gradients of 29 chemical species in the Milky Way Disk
E. Trentin, G. Catanzaro, V. Ripepi +9
Classical Cepheids (DCEPs) are crucial for calibrating the extragalactic distance ladder, ultimately enabling the determination of the Hubble constant through the PL and PW relatio…
Cepheid Metallicity in the Leavitt Law (C- MetaLL) survey: IV. The metallicity dependence of Cepheid Period-Luminosity relations
E. Trentin, V. Ripepi, R. Molinaro +10
Classical Cepheids (DCEPs) play a fundamental role in the calibration of the extra-galactic distance ladder which eventually leads to the determination of the Hubble constant(…
The Dragon-II simulations -- I. Evolution of single and binary compact objects in star clusters with up to 1 million stars
Manuel Arca Sedda, Albrecht W. H. Kamlah, Rainer Spurzem +7
We present the first results of the \textsc{Dragon-II} simulations, a suite of 19 -body simulations of star clusters with up to stars, with up to of them initially…
KMHK 1762: Another star cluster in the Large Magellanic Cloud age gap
M. Gatto, V. Ripepi, M. Bellazzini +11
The star cluster (SC) age distribution of the Large Magellanic Cloud (LMC) exhibits a gap from 4 to 10 Gyr ago, with an almost total absence of SCs. Within this age gap, onl…
Properties of intra-cluster low-mass X-ray binaries in Fornax globular clusters
G. Riccio, M. Paolillo, M. Cantiello +9
We present a study of the intra-cluster population of low-mass X-ray binaries (LMXB) residing in globular clusters (GC) in the central 1 of the Fornax galaxy cluster. Diffe…
Deep VLT photometry of the faint stellar system in the Large Magellanic Cloud periphery YMCA-1
M. Gatto, V. Ripepi, M. Bellazzini +11
We present FORS2@VLT follow-up photometry of YMCA-1, a recently discovered stellar system located 13\degr~from the Large Magellanic Cloud (LMC) center. The deep color-magnitude dia…
Discovery of NES, an extended tidal structure in the North-East of the Large Magellanic Cloud
M. Gatto, V. Ripepi, M. Bellazzini +4
We report on the discovery of a new diffuse stellar sub-structure protruding for 5 degrees from the North-Eastern rim of the LMC disc. The structure, that we dub North-East Structu…
The Fornax Cluster VLT Spectroscopic Survey IV -- Cold kinematical substructures in the Fornax core from COSTA
N. R. Napolitano, M. Gatto, C. Spiniello +15
The COld STream finder Algorithm (COSTA) is a novel algorithm to find streams in the phase space of planetary nebulae (PNe) and globular cluster (GCs) populations. COSTA isolates g…
The Fornax Cluster VLT Spectroscopic Survey III -- Kinematical characterisation of globular clusters across the Fornax galaxy cluster
Avinash Chaturvedi, Michael Hilker, Michele Cantiello +7
The Fornax cluster provides an unparalleled opportunity to investigate in detail the formation and evolution of early-type galaxies in a dense environment. We aim at kinematically…
Cepheid Metallicity in the Leavitt Law (C-MetaLL) survey: I. HARPS-N@TNG spectroscopy of 47 Classical Cepheid and 1 BL Her variables
V. Ripepi, G. Catanzaro, R. Molinaro +11
Classical Cepheids (DCEPs) are the most important primary indicators of the extragalactic distance scale. Establishing the dependence on metallicity of their period--luminosity and…
STEP Survey II: Structural Analysis of 170 star clusters in the SMC
M. Gatto, V. Ripepi, M. Bellazzini +9
We derived surface brightness profiles in the \emph{g} band for 170 Small Magellanic Cloud (SMC) star clusters (SCs) mainly located in the central region of the galaxy. We provide…
YMCA-1: a new remote star cluster of the Milky Way?
M. Gatto, V. Ripepi, M. Bellazzini +11
We report the possible discovery of a new stellar system (YMCA-1), identified during a search for small scale overdensities in the photometric data of the YMCA survey. The object's…
A theoretical scenario for Galactic RR Lyrae in the Gaia database: constraints on the parallax offset
Marcella Marconi, Roberto Molinaro, Vincenzo Ripepi +5
On the basis of an extended set of nonlinear convective RR Lyrae pulsation models we derive the first theoretical light curves in the Gaia bands and the corresponding intensity-wei…
COSTA: the COld STream finder Algorithm. Searching for kinematical substructures in the phase space of discrete tracers
M. Gatto, N. R. Napolitano, C. Spiniello +2
Context: We present COSTA (COld STream finder Algorithm), a novel algorithm to search for cold kinematical substructures in the phase space of planetary nebulae (PNe) and globular…
A search for star clusters in the outskirts of the Large Magellanic Cloud: indication of clusters in the age gap
M. Gatto, V. Ripepi, M. Bellazzini +7
The YMCA (Yes, Magellanic Clouds Again) and STEP ({The SMC in Time: Evolution of a Prototype interacting late-type dwarf galaxy) projects are deep g,i photometric surveys carried o…