collaborators

8 papers

astro-ph.GA2025

Dwarf galaxies in the MATLAS Survey: Hubble Space Telescope observations of nuclear star clusters

Mélina Poulain, Francine R. Marleau, Pierre-Alain Duc +8

In dwarf galaxies, nuclear star clusters (NSCs) are believed to primarily form from the migration and merger of globular clusters (GCs), with a possible contribution from in-situ s…

astro-ph.GA2025

Low Surface Brightness structures from annotated deep CFHT images: effects of the host galaxy's properties and environment

Elisabeth Sola, Pierre-Alain Duc, Mathias Urbano +20

Hierarchical galactic evolution models predict that mergers drive galaxy growth, producing low surface brightness (LSB) tidal features that trace galaxies' late assembly. These fai…

astro-ph.GA2025

Evidence of star cluster migration and merger in dwarf galaxies

Mélina Poulain, Rory Smith, Pierre-Alain Duc +8

Nuclear star clusters (NSCs) are the densest stellar systems in the Universe. They can be found at the center of all galaxy types, but tend to favor galaxies of intermediate stella…

astro-ph.GA2024

Dwarf Galaxies in the MATLAS Survey: The satellite system of NGC474 under scrutiny with MUSE

Oliver Müller, Francine R. Marleau, Nick Heesters +12

A recent study of the distribution of dwarf galaxies in the MATLAS sample in galaxy groups revealed an excess of flattened satellite structures, reminiscent of the co-rotating plan…

astro-ph.GA2024

Euclid: Early Release Observations -- Dwarf galaxies in the Perseus galaxy cluster

F. R. Marleau, J. -C. Cuillandre, M. Cantiello +193

We make use of the unprecedented depth, spatial resolution, and field of view of the Euclid Early Release Observations of the Perseus galaxy cluster to detect and characterise the…

astro-ph.GA2024

Euclid: Early Release Observations -- Overview of the Perseus cluster and analysis of its luminosity and stellar mass functions

J. -C. Cuillandre, M. Bolzonella, A. Boselli +199

The Euclid ERO programme targeted the Perseus cluster of galaxies, gathering deep data in the central region of the cluster over 0.7 square degree, corresponding to approximately 0…