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List of works by Christopher Usher

A SLUGGS and Gemini/GMOS combined study of the elliptical galaxy M60: wide-field photometry and kinematics of the globular cluster system ⬇️

scientific article

A high fraction of Be stars in young massive clusters: evidence for a large population of near-critically rotating stars ⬇️

article

MUSE narrow field mode observations of the central kinematics of M15

scientific article published on 25 February 2021

Measuring M31 globular cluster ages and metallicities using both photometry and spectroscopy

scholarly article

Multiple populations in integrated light spectroscopy of intermediate-age clusters

scholarly article

Multiple populations within globular clusters in early-type galaxies exploring their effect on stellar initial mass function estimates

scholarly article

Photometric characterization of multiple populations in star clusters: the impact of the first dredge-up ⬇️

scholarly article

Small scatter and nearly isothermal mass profiles to four half-light radii from two-dimensional stellar dynamics of early-type galaxies ⬇️

scientific article

The SAGES Legacy Unifying Globulars and GalaxieS survey (SLUGGS): sample definition, methods, and initial results ⬇️

scientific article published in the Astrophysical Journal

The SLUGGS Survey: A Catalog of Over 4000 Globular Cluster Radial Velocities in 27 Nearby Early-type Galaxies ⬇️

scientific article published in Astronomical Journal

The SLUGGS Survey: kinematics for over 2500 globular clusters in 12 early-type galaxies

scholarly article

The SLUGGS Survey: stellar kinematics, kinemetry and trends at large radii in 25 early-type galaxies ⬇️

scientific article

The SLUGGS Survey: wide field imaging of the globular cluster system of NGC 4278

scholarly article

The SLUGGS survey: calcium triplet-based spectroscopic metallicities for over 900 globular clusters

scientific article

The SLUGGS survey: combining stellar and globular cluster metallicities in the outer regions of early-type galaxies

scholarly article

The SLUGGS survey: exploring the metallicity gradients of nearby early-type galaxies to large radii ⬇️

scientific article

The SLUGGS survey: globular cluster kinematics in a ‘double sigma’ galaxy – NGC 4473 ⬇️

scientific article

The SLUGGS survey: globular cluster stellar population trends from weak absorption lines in stacked spectra ⬇️

scholarly article

The SLUGGS survey: measuring globular cluster ages using both photometry and spectroscopy

scientific article published on 23 September 2019

The SLUGGS survey: the assembly histories of individual early-type galaxies ⬇️

scientific article

The SLUGGS survey: the mass distribution in early-type galaxies within five effective radii and beyond ⬇️

scientific article

The SLUGGS survey: wide-field stellar kinematics of early-type galaxies ⬇️

scientific article published in the Astrophysical Journal

The WAGGS project-III. Discrepant mass-to-light ratios of Galactic globular clusters at high metallicity ⬇️

scholarly article

The search for multiple populations in Magellanic Cloud Clusters – III. No evidence for multiple populations in the SMC cluster NGC 419

scientific article

Ultracompact dwarfs in the Perseus Cluster: UCD formation via tidal stripping ⬇️

scientific article

Young star cluster populations in the E-MOSAICS simulations ⬇️

scholarly article

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