activity
20092026
most citedGaia Data Release 3 Properties and validation of the radial velocities

358 citations · 2.4k across the 82 of their papers we have counts for

collaborators

84 papers

astro-ph.GA2026

GALACTIC CENTERS AS TRACERS OF GALAXY EVOLUTION: Zooming from galaxy large-scale properties into their central massive black holes

F. Pinna, N. Hoyer, S. Thater +14

During the workshop ''Galactic Centers as tracers of galaxy evolution'' (Lorentz Center, Leiden), we reviewed one of the most debated questions in the field of galaxy evolution: th…

astro-ph.GA2026

Tracing M22's origins: Spatial and chemical constraints on its formation history

Emanuele Dondoglio, Antonino P. Milone, Randa Asa'd +9

Globular clusters (GCs) are well known to host stellar populations characterized by light-element variations. A subset of Galactic GCs, beyond such 'canonical' populations, contain…

astro-ph.GA2026

The Large Magellanic Cloud through the lens of the James Webb Space Telescope: Binaries and the mass function in the galaxy's outskirts

M. V. Legnardi, F. Muratore, A. P. Milone +16

Nearby galaxies such as the Large Magellanic Cloud (LMC) offer an ideal laboratory to test the initial mass function under different physical conditions, but previous works have be…

astro-ph.GA2026

Multiple populations along the asymptotic giant branch: a Gaia+APOGEE study of 22 Galactic globular clusters

Emanuele Dondoglio, A. P. Milone, A. F. Marino +9

We present an investigation of multiple stellar populations along the asymptotic giant branch (AGB) in 22 globular clusters (GCs), exploiting APOGEE spectroscopy combined with AGB…

astro-ph.GA2026

Hubble Space Telescope survey of Magellanic Cloud star clusters. Binaries, mass functions, blue stragglers, and structural parameters

F. Muratore, M. V. Legnardi, A. P. Milone +7

Binary stars are key tracers of the dynamical evolution of star clusters and provide important constraints on stellar populations and mass functions. The Magellanic Clouds host clu…

astro-ph.GA2026

When bars and spirals conspire: recurrent build-up of the nuclear regions of disc galaxies

Tristan Boin, Sergey Khoperskov, Paola Di Matteo +6

The assembly history of the central regions of disc galaxies is regulated by dynamical processes that trigger gas infall events, leading to active star formation in nuclear stellar…

astro-ph.GA2026

Globular Clusters in the Time of the JWST. I. Survey Design and First Results on Multiple Populations and Beyond

A. P. Milone, A. F. Marino, G. Cordoni +25

Globular clusters (GCs) host multiple stellar populations with distinct chemical compositions, but their properties among very low-mass stars remain poorly constrained. The James W…

astro-ph.GA2026

The chemo-dynamical complexity of ω Centauri: different kinematics for different populations

G. Pagnini, P. Bianchini, P. Di Matteo +1

The origin of ω Centauri remains one of the key open problems in stellar dynamics and chemical evolution. Its large abundance spreads and multiple populations suggest a formation h…

astro-ph.GA2026

ROLLIN': Rotating globular cluster simulations. I. The kinematic evolution of realistic direct N-body models

P. Bianchini, A. L. Varri, A. Askar +2

Internal rotation has emerged as a fundamental feature of globular clusters (GCs), yet its origin and long-term evolution remain poorly understood. We explore the evolution of rota…

astro-ph.SR2026★ 3 cited

A deep HST view of the open cluster NGC2158: binaries, mass functions, and M-dwarf discontinuity

A. V. Marchuk, F. Muratore, A. P. Milone +13

A significant fraction of stars in both the Galactic field and stellar clusters are members of binary systems. Understanding their properties is therefore essential for a comprehen…

astro-ph.GA2025★ 3 cited

Exploring the ultra-faint dwarf Bootes I using JWST and HST: Metallicity distribution and binaries

F. Muratore, M. V. Legnardi, A. P. Milone +8

Ultra-faint dwarf galaxies (UFDs) are among the oldest and most metal-poor stellar systems in the Universe. Their metallicity distribution encodes the fossil record of the earliest…

astro-ph.GA2025★ 2 cited

The Nephele ecosystem: stars, globular clusters, and stellar streams associated with the progenitor galaxy of Centauri

G. Pagnini, P. Di Matteo, M. Haywood +7

Globular clusters (GCs) and their associated stellar streams are key tracers of the hierarchical assembly history of the Milky Way. Centauri, the most massive and chemically co…

astro-ph.GA2025

Tracing ωCentauri's origins: Spatial and chemical signatures of its formation history

E. Dondoglio, A. P. Milone, A. F. Marino +8

ω}Centauri (ωCen) is the most enigmatic Galactic globular cluster (GC), with unmatched chemical complexity. We combine photometric and spectroscopic catalogs to identify its distin…

astro-ph.GA2025★ 3 cited

The Small Magellanic Cloud through the lens of the James Webb Space Telescope : binaries and mass function within the galaxy outskirts

M. V. Legnardi, F. Muratore, A. P. Milone +8

The stellar initial mass function (IMF) and the fraction of binary systems are fundamental ingredients that govern the formation and evolution of galaxies. Whether the IMF is unive…

astro-ph.GA2025

Chemical decoding of kinematic substructures in the Galactic halo

A. Mori, P. Di Matteo, S. Salvadori +4

In the hierarchical assembly framework, the accretion history of the Milky Way is crucial to understand its evolution. However, in massive mergers, integrals of motion are not stri…

astro-ph.GA2025★ 9 cited

A spectroscopic map of the Galactic centre -- Observations and resolved stars

A. Feldmeier-Krause, N. Neumayer, A. Seth +10

The Galactic Centre region contains a dense accumulation of stars, which can be separated into two components: A flattened and dense nuclear star cluster (NSC), and a surrounding,…

astro-ph.GA2025★ 6 cited

Gaps in stellar streams as a result of globular cluster fly-bys

Salvatore Ferrone, Marco Montuori, Paola Di Matteo +10

Thin stellar streams, such as those resulting from the tidal disruption of globular clusters, have long been known and used as probes of the gravitational potential of our Galaxy,…

astro-ph.SR2025★ 5 cited

A JWST project on 47 Tucanae: kinematics, energy equipartition and anisotropy of multiple populations

T. Ziliotto, A. P. Milone, G. Cordoni +17

Recent work with JWST has demonstrated its capability to identify and chemically characterize multiple populations in globular clusters down to the H-burning limit. In this study,…

astro-ph.GA2024

Prograde and retrograde stars in nuclear cluster mergers. Evolution of the supermassive black hole binary and the host galactic nucleus

Alessandra Mastrobuono-Battisti, Pau Amaro Seoane, Màrius Josep Fullana i Alfonso +5

We address the orbital distribution of stars in merging nuclear star clusters (NSCs) and the subsequent effects on supermassive black hole binary (SMBHB) evolution. We ran direct-s…

astro-ph.GA2024★ 14 cited

Abundance ties: Nephele and the globular cluster population accreted with Cen. Based on APOGEE DR17 and Gaia EDR3

Giulia Pagnini, Paola Di Matteo, Misha Haywood +8

The peculiar Galactic globular cluster Centauri (NGC 5139) has drawn attention for its unique features - such as a high stellar mass and a broad distribution of chemical elemen…

astro-ph.GA2024★ 1 cited

Internal Dynamics of Multiple Populations in 28 Galactic Globular Clusters: A Wide-Field study with Gaia and the Hubble Space Telescope

Giacomo Cordoni, Luca Casagrande, Antonino Milone +11

We present a detailed analysis of the internal dynamics of multiple stellar populations (MPs) in 28 Galactic Globular Clusters (GCs) across a wide field of view, extending from the…

astro-ph.GA2024★ 5 cited

A Wide Metallicity Range for Gyr-old Stars in the Nuclear Star Cluster

Brian Thorsbro, Rebecca Forsberg, Georges Kordopatis +6

We report metallicities for three Gyr-old stars in the Milky Way nuclear star cluster (NSC) using high-resolution near-infrared spectroscopy. We derive effective temperatures…

astro-ph.GA2024★ 129 cited

Discovery of a dormant 33 solar-mass black hole in pre-release Gaia astrometry

Gaia Collaboration, P. Panuzzo, T. Mazeh +412

Gravitational waves from black-hole merging events have revealed a population of extra-galactic BHs residing in short-period binaries with masses that are higher than expected base…

gr-qc2024★ 39 cited

The Lunar Gravitational-wave Antenna: Mission Studies and Science Case

Parameswaran Ajith, Pau Amaro Seoane, Manuel Arca Sedda +83

The Lunar Gravitational-wave Antenna (LGWA) is a proposed array of next-generation inertial sensors to monitor the response of the Moon to gravitational waves (GWs). Given the size…