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The scatter in the radial profiles of X-ray luminous galaxy clusters as diagnostic of the thermodynamical state of the ICM
F. Vazza, M. Roncarelli, S. Ettori +1
We study the azimuthal scatter in the radial profiles of X-ray luminous galaxy clusters, with two sets of high-resolution cosmological re-simulations obtained with the codes ENZO a…
Mass profiles and concentration-dark matter relation in X-ray luminous galaxy clusters
S. Ettori, F. Gastaldello, A. Leccardi +4
(Abriged) Assuming that the hydrostatic equilibrium holds between the intracluster medium and the gravitational potential, we constrain the NFW profiles in a sample of 44 X-ray lum…
Hydrodynamical simulations of galaxy clusters in dark energy cosmologies: I. general properties
Cristiano De Boni, Klaus Dolag, Stefano Ettori +3
We investigate the influence of dark energy on structure formation, within five different cosmological models, namely a concordance CDM model, two models with dynamical dark ene…
Apparent high metallicity in 3-4 keV galaxy clusters: the inverse iron-bias in action in the case of the merging cluster Abell 2028
F. Gastaldello, S. Ettori, I. Balestra +6
Recent work based on a global measurement of the ICM properties find evidence for an increase of the iron abundance in galaxy clusters with temperature around 2-4 keV up to a value…
X-ray observations of cluster outskirts: current status and future prospects
S. Ettori, S. Molendi
Past and current X-ray mission allow us to observe only a fraction of the volume occupied by the ICM. After reviewing the state of the art of cluster outskirts observations we disc…
Abell 611: I. weak lensing analysis with LBC
A. Romano, L. Fu, F. Giordano +24
Aims. The Large Binocular Cameras (LBC) are two twin wide field cameras (FOV ~ 23'x 25') mounted at the prime foci of the 8.4m Large Binocular Telescope (LBT). We performed a weak…