activity
20042023
most citedMean proper motions, space orbits and velocity dispersion profiles of Galactic globular clusters derived from Gaia DR2 data

442 citations · 4.6k across the 82 of their papers we have counts for

collaborators
Showing astro-ph.GAShow all

39 papers · 1 filter

astro-ph.GA2023★ 1 cited

Testing QUMOND theory with Galactic globular clusters in a weak external field

A. Sollima, C. Nipoti, F. Calura +2

We developed self-consistent dynamical models of stellar systems in the framework of quasi-linear modified Newtonian dynamics (QUMOND). The models are constructed from the anisotro…

astro-ph.GA2022★ 10 cited

Dynamics in the outskirts of four Milky Way globular clusters: it's the tides that dominate

Zhen Wan, Anthony D. Arnold, William H. Oliver +17

We present the results of a spectroscopic survey of the outskirts of 4 globular clusters -- NGC 1261, NGC 4590, NGC 1904, and NGC 1851 -- covering targets within 1 degree from the…

astro-ph.GA2022★ 20 cited

The family pictures of our neighbours: investigating the mass function and dynamical parameters of nearby open clusters

H. Ebrahimi, A. Sollima, H. Haghi

We determine the mass functions (MFs) and the dynamical parameters of 15 nearby open clusters (OCs) using the unprecedented data set of the Gaia Early Data Release 3. We select the…

astro-ph.GA2021★ 8 cited

MUSE narrow field mode observations of the central kinematics of M15

Christopher Usher, Sebastian Kamann, Mark Gieles +4

We present observations of the stellar kinematics of the centre of the core collapsed globular cluster M15 obtained with the MUSE integral field spectrograph on the VLT operating i…

astro-ph.GA2021★ 27 cited

Monte Carlo simulations of multiple populations in globular clusters: constraints on the cooling flow vs. accretion scenario using million bodies simulations

A. Sollima

I simulate the evolution of a stellar system hosting two stellar populations whose initial set up is defined according to the two main scenarios proposed for the origin of multiple…

astro-ph.GA2020★ 64 cited

Absolute V-band magnitudes and mass-to-light ratios of Galactic globular clusters

H. Baumgardt, A. Sollima, M. Hilker

We have used HST and ground-based photometry to determine total -band magnitudes and mass-to-light ratios of more than 150 Galactic globular clusters. We do this by summing up t…