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Scaling Rrelation in two situations of extreme mergers
Elena Rasia, Pasquale Mazzotta, August Evrard +3
Clusters of galaxies are known to be dynamically active systems, yet X-ray studies of the low redshift population exhibit tight scaling laws. In this work, we extend previous studi…
The stellar and hot gas content of low-mass galaxy clusters
Michael L. Balogh, Pasquale Mazzotta, Richard G. Bower +4
We analyse the stellar and hot gas content of 18 nearby, low-mass galaxy clusters, detected in redshift space and selected to have a dynamical mass 3E14<M/Msun<6E14, as measured fr…
A2163: Merger events in the hottest Abell galaxy cluster II. Subcluster accretion with galaxy-gas separation
H. Bourdin, M. Arnaud, P. Mazzotta +7
Located at z = 0.203, A2163 is a rich galaxy cluster with an intra-cluster medium (ICM) that exhibits extraordinary properties, including an exceptionally high X-ray luminosity, av…
LoCuSS: A Comparison of Cluster Mass Measurements from XMM-Newton and Subaru - Testing Deviation from Hydrostatic Equilibrium and Non-Thermal Pressure Support
Yu-Ying Zhang, Nobuhiro Okabe, Alexis Finoguenov +8
We compare X-ray hydrostatic and weak-lensing mass estimates for a sample of 12 clusters that have been observed with both XMM-Newton and Subaru. At an over-density of Δ=500, we ob…