activity
20242026
collaborators

5 papers

astro-ph.CO2026

4MOST Cosmology Redshift Survey (CRS): Clustering Properties of CRS Bright Galaxy and Luminous Red Galaxy Target Catalogues

Behnood Bandi, Antoine Rocher, Aurélien Verdier +6

The 4-metre Multi-Object Spectroscopic Telescope Cosmology Redshift Survey (4MOST CRS) will obtain 5.4 million spectroscopic redshifts over ~5700 deg^2 to map large-scale structure…

astro-ph.CO2025

A comprehensive separation of dark matter and baryonic mass components in galaxy clusters II: an overview of the mass distribution in Abell S1063

Benjamin Beauchesne, Benjamin Clément, Marceau Limousin +11

In the first paper of this series, we derived mass constraints on the total mass and the baryonic components of the galaxy cluster Abell S1063. The main focus was to recover stella…

astro-ph.GA2025

A comprehensive separation of dark matter and baryonic mass components in galaxy clusters I: Mass constraints from Abell S1063

Benjamin Beauchesne, Benjamin Clément, Marceau Limousin +11

In this two-part series, we present a multi-probe mass modelling method for massive galaxy clusters, designed to disentangle the contributions of individual mass components (Dark m…

astro-ph.CO2025

The 4MOST-Cosmology Redshift Survey: Target Selection of Bright Galaxies and Luminous Red Galaxies

Aurelien Verdier, Antoine Rocher, Behnood Bandi +7

The Cosmology Redshift Survey of the 4-metre Multi-Object Spectroscopic Telescope (4MOST-CRS) will provide redshift measurements of galaxies and quasars over 5700{\degsq} in the so…

astro-ph.CO2024

Mass & Light in Galaxy Clusters: The case of Abell 370

M. Limousin, A. Niemiec, B. Beauchesne +16

Parametric strong lensing studies of galaxy clusters often display "misleading features". This is the case in the galaxy cluster Abell 370. Using strong lensing techniques, it has…