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Author

J. Gannon

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3 papers indexed here

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Review Aug 2026

Phase-Space Diagnostics for Dwarf Galaxies in Cluster Environments

Ongoing effort is devoted to observing spectroscopic samples of dwarf galaxies in clusters, allowing the analysis of their distribution and associated trends in projected phase-space (PPS), i.e. line-of-sight velocity vs. projected clustercentric distance. By utilizing the resolved baryonic halos inside the galaxy clus...

A. Ivleva, R. Remus, K. Dolag et al. · 0 citations
Review Sep 2026

The Stellar Populations of Two Quiescent Low Surface Brightness Dwarf Galaxies in Low Density Environments

Dwarf galaxies located in low density environments that have quiescent stellar populations are extremely rare and the mechanism for quenching their stars is highly uncertain. Here we present two low surface brightness dwarf galaxies with large (>1.2 kpc) effective radii that were previously identified in the Dragonfly...

D. Forbes, Hannah S. Christie, Arsen Levitskiy et al. · 1 citation
Open access Aug 2026

Diffuse Dwarf Galaxies in Galaxy Clusters: I. Stellar Populations and Radial Gradients

We use Keck/KCWI spectroscopy to study one ultra-diffuse galaxy (UDG) and five Nearly-UDGs (NUDGEs) in the Perseus cluster, together with an additional UDG in the Coma cluster. As the first paper in a series, we focus on the global and radial stellar population properties of our sample. We find that these galaxies ho...

Arsen Levitskiy, D. Forbes, J. Gannon et al. · 0 citations

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