What is a globular cluster? An observational perspective

R Gratton, A Bragaglia, E Carretta, V D'Orazi… - The Astronomy and …, 2019 - Springer
Globular clusters are large and dense agglomerate of stars. At variance with smaller clusters
of stars, they exhibit signs of some chemical evolution. At least for this reason, they are …

The cosmic evolution of binary black holes in young, globular, and nuclear star clusters: rates, masses, spins, and mixing fractions

M Mapelli, Y Bouffanais, F Santoliquido… - Monthly Notices of …, 2022 - academic.oup.com
The growing population of binary black holes (BBHs) observed by gravitational wave (GW)
detectors is a potential Rosetta stone for understanding their formation channels. Here, we …

The Hubble Space Telescope UV legacy survey of galactic globular clusters. I. Overview of the project and detection of multiple stellar populations

G Piotto, AP Milone, LR Bedin, J Anderson… - The Astronomical …, 2015 - iopscience.iop.org
In this paper we describe a new UV-initiative Hubble Space Telescope project (GO-13297)
that will complement the existing F606W and F814W database of the Advanced Camera for …

A stellar census in globular clusters with MUSE: Binaries in NGC 3201

B Giesers, S Kamann, S Dreizler, TO Husser… - Astronomy & …, 2019 - aanda.org
We utilise multi-epoch MUSE spectroscopy to study binary stars in the core of the Galactic
globular cluster NGC 3201. Our sample consists of 3553 stars with 54 883 spectra in total …

The quenching of the ultra-faint dwarf galaxies in the reionization era

TM Brown, J Tumlinson, M Geha… - The Astrophysical …, 2014 - iopscience.iop.org
We present new constraints on the star formation histories of six ultra-faint dwarf galaxies:
Bootes I, Canes Venatici II, Coma Berenices, Hercules, Leo IV, and Ursa Major I. Our …

A stellar census in globular clusters with MUSE: The contribution of rotation to cluster dynamics studied with 200 000 stars

S Kamann, TO Husser, S Dreizler… - Monthly Notices of …, 2018 - academic.oup.com
This is the first of a series of papers presenting the results from our survey of 25 Galactic
globular clusters with the MUSE integral-field spectrograph. In combination with our …

The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters – XVII. Public Catalogue Release

D Nardiello, M Libralato, G Piotto… - Monthly Notices of …, 2018 - academic.oup.com
In this paper, we present the astrophotometric catalogues of 56 globular clusters and one
open cluster. Astrometry and photometry are mainly based on images collected within the …

The dynamical evolution of stellar black holes in globular clusters

M Morscher, B Pattabiraman, C Rodriguez… - The Astrophysical …, 2015 - iopscience.iop.org
Our current understanding of the stellar initial mass function and massive star evolution
suggests that young globular clusters (GCs) may have formed hundreds to thousands of …

Hubble Space Telescope survey of Magellanic Cloud star clusters-Photometry and astrometry of 113 clusters and early results

AP Milone, G Cordoni, AF Marino, F D'Antona… - Astronomy & …, 2023 - aanda.org
In the past few years, we have undertaken an extensive investigation of star clusters and
their stellar populations in the Large and Small Magellanic Clouds (LMC and SMC) based …

The Absolute Age of M92

JM Ying, B Chaboyer, EM Boudreaux… - The Astronomical …, 2023 - iopscience.iop.org
The absolute age of a simple stellar population is of fundamental interest for a wide range of
applications but is difficult to measure in practice, as it requires an understanding of the …