Search Publications
PSZ2 G091: A massive double cluster at z 0.822 observed by the NIKA2 camera
Berta, S.; Aussel, H.; Adam, R. +48 more
PSZ2 G091.83+26.11 is a massive galaxy cluster with M500 = 7:43 × 1014M⊙ at z = 0:822. This object exhibits a complex morphology with a clear bimodality observed in X-rays. However, it was detected and analysed in the Planck sample as a single, spherical cluster following a universal profile [1]. This model can lea…
Characterizing the bulk and turbulent gas motions in galaxy clusters
Pointecouteau, Etienne; Eckert, Dominique; Dupourqué, Simon +1 more
The most massive halos of matter in the Universe grow via accretion and merger events throughout cosmic times. These violent processes generate shocks at many scales and induce large-scale bulk and turbulent motions. These processes inject kinetic energy at large scales, which is transported to the viscous dissipation scales, contributing to the o…
Pressure profiles of distant Galaxy clusters with Planck-SPT data
Mazzotta, Pasquale; Bourdin, Hervé; CHEX-MATE Collaboration +2 more
We present a full set of numerical tools to extract Galaxy Cluster pressure profiles from the joint analysis of Planck and South Pole Telescope (SPT) observations. Pressure profiles are powerful tracers of the thermodynamic properties and the internal structure of the clusters. Tracing the pressure over the cosmic times allows one to constraints t…
On the dynamical and morphological state of the CHEX-MATE clusters
Lovisari, Lorenzo; Ettori, Stefano; Campitiello, Maria Giulia +1 more
The CHEX-MATE sample was built to provide an overview of the statistical properties of the underlying cluster population and to set the stage for future X-ray missions. In this work, we perform a morphological analysis of the 118 clusters included in the sample with the aim to provide a classification of their dynamical state which will be useful …