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Planck 2015 results - XIII. Cosmological parameters
This paper presents cosmological results based on full-mission Planck observations of temperature and polarization anisotropies of the cosmic microwave background (CMB) radiation. Our results are inExpand
Planck 2013 results. XVI. Cosmological parameters
This paper presents the first cosmological results based on Planck measurements of the cosmic microwave background (CMB) temperature and lensing-potential power spectra. We find that the PlanckExpand
The Coma cluster magnetic field from Faraday rotation measures
Aims. The aim of the present work is to constrain the Coma cluster magnetic field strength, its radial profile and power spectrum by comparing Faraday rotation measure (RM) images with numericalExpand
Numerical study of halo concentrations in dark-energy cosmologies
We study the concentration parameters, their mass dependence and redshift evolution, of dark-matter halos in different dark-energy cosmologies with constant and time-variable equation of state, andExpand
Substructures in hydrodynamical cluster simulations
The abundance and structure of dark matter subhaloes have been analysed extensively in recent studies of dark-matter-only simulations, but comparatively little is known about the impact of baryonicExpand
Planck 2015 results. I. Overview of products and scientific results
The European Space Agency's Planck satellite, dedicated to studying the early Universe and its subsequent evolution, was launched 14{\textasciitilde}May 2009and scanned the microwave andExpand
On the efficiency and reliability of cluster mass estimates based on member galaxies
Aims. We study the efficiency and reliability of cluster mass estimators that are based on the projected phase-space distribution of galaxies in a cluster region. Methods. We analyse a data-set of 62Expand
On the evolution of giant radio halos and their connection with cluster mergers
Giant radio halos are diffuse, Mpc-scale, synchrotron sources located in the central regions of galaxy clusters and provide the most relevant example of cluster non-thermal activity. Radio and X-rayExpand
X‐ray properties of galaxy clusters and groups from a cosmological hydrodynamical simulation
We present results on the X-ray properties of clusters and groups of galaxies, extracted from a large cosmological hydrodynamical simulation. We used the TREE+SPH code GADGET to simulate aExpand
A test of the nature of cosmic acceleration using galaxy redshift distortions
Using a new survey of more than 10,000 faint galaxies, the anisotropy parameter β = 0.70 ± 0.26 is measured, which is consistent with the standard cosmological-constant model with low matter density and flat geometry, although the error bars are still too large to distinguish among alternative origins for the accelerated expansion. Expand