203 citations · 239 across the 4 of their papers we have counts for
9 papers · 1 filter
Measurement of the dark matter velocity anisotropy in galaxy clusters
Ole Host, Steen H. Hansen, Rocco Piffaretti +4
The internal dynamics of a dark matter structure may have the remarkable property that the local temperature in the structure depends on direction. This is parametrized by the velo…
Total mass biases in X-ray galaxy clusters
Rocco Piffaretti, Riccardo Valdarnini
The exploitation of clusters of galaxies as cosmological probes relies on accurate measurements of their total gravitating mass. X-ray observations provide a powerful means of prob…
X-ray Cluster Properties in SPH Simulations of Galaxy Clusters
R. Valdarnini
Results from a large set of hydrodynamical SPH simulations of galaxy clusters in a flat LCDM cosmology are used to investigate cluster X-ray properties. The physical modeling of th…
Parallelization of a treecode
R. Valdarnini
I describe here the performance of a parallel treecode with individual particle timesteps. The code is based on the Barnes-Hut algorithm and runs cosmological N-body simulations on…
Performance characteristics of a parallel treecode
R. Valdarnini
I describe here the performances of a parallel treecode with individual particle timesteps. The code is based on the Barnes-Hut algorithm and runs cosmological N-body simulations o…
Iron abundances and heating of the ICM in hydrodynamical simulations of galaxy clusters
R. Valdarnini
Results from a large set of hydrodynamical SPH simulations of galaxy clusters in a flat LCDM cosmology are used to investigate the metal enrichment and heating of the ICM. The phys…