activity
20092026
most citedOn the nature of hydrostatic equilibrium in galaxy clusters

225 citations · 1.2k across the 18 of their papers we have counts for

collaborators

18 papers

astro-ph.CO2026

Dianoga simulations of galaxy clusters and groups: Properties of the baryonic components

Stefano Borgani, Alice Damiano, Elena Rasia +12

We introduce the Dianoga set of cosmological simulations of galaxy clusters and groups, specifically aimed at studying the impact of the implementation of AGN feedback and star for…

astro-ph.IM2026

OpenGadget3 GPU solver tests

A. Ragagnin, G. S. Karademir, F. Groth +6

We present an in-depth evaluation of the scalability and accuracy of the GPU porting of the N-body code for hydrodynamic cosmological simulations \og. While technical details of ou…

astro-ph.IM2026

SPACE-Timers -- A Stack-Based Hierarchical Timing System for C++

Geray S. Karademir, Klaus Dolag

SPACE-Timers are a lightweight hierarchical profiling framework for C++ designed for modern high-performance computing (HPC) applications. It uses a stack-based timing model to cap…

astro-ph.IM2024★ 7 cited

Vortex-p: a Helmholtz-Hodge and Reynolds decomposition algorithm for particle-based simulations

David Vallés-Pérez, Susana Planelles, Vicent Quilis +3

Astrophysical turbulent flows display an intrinsically multi-scale nature, making their numerical simulation and the subsequent analyses of simulated data a complex problem. In par…

astro-ph.IM2021★ 2 cited

PSI: Constructing ad-hoc Simplices to Interpolate High-Dimensional Unstructured Data

Stefan Lüders, Klaus Dolag

Interpolating unstructured data using barycentric coordinates becomes infeasible at high dimensions due to the prohibitive memory requirements of building a Delaunay triangulation.…

astro-ph.CO2020★ 9 cited

On the phase-space structure of galaxy clusters from cosmological simulations

I. Marini, A. Saro, S. Borgani +8

Cosmological N-body simulations represent an excellent tool to study the formation and evolution of dark matter (DM) halos and the mechanisms that have originated the universal pro…

astro-ph.CO2019

Unveiling the Galaxy Cluster - Cosmic Web Connection with X-ray observations in the Next Decade

Stephen A. Walker, Daisuke Nagai, A. Simionescu +35

In recent years, the outskirts of galaxy clusters have emerged as one of the new frontiers and unique laboratories for studying the growth of large scale structure in the universe.…

astro-ph.CO2017★ 97 cited

The history of chemical enrichment in the intracluster medium from cosmological simulations

V. Biffi, S. Planelles, S. Borgani +8

The distribution of metals in the intracluster medium (ICM) of galaxy clusters provides valuable information on their formation and evolution, on the connection with the cosmic sta…

astro-ph.CO2016★ 111 cited

Cosmological hydrodynamical simulations of galaxy clusters: X-ray scaling relations and their evolution

N. Truong, E. Rasia, P. Mazzotta +11

We analyse cosmological hydrodynamical simulations of galaxy clusters to study the X-ray scaling relations between total masses and observable quantities such as X-ray luminosity,…

astro-ph.CO2016★ 225 cited

On the nature of hydrostatic equilibrium in galaxy clusters

V. Biffi, S. Borgani, G. Murante +7

In this paper we investigate the level of hydrostatic equilibrium (HE) in the intra-cluster medium of simulated galaxy clusters, extracted from state-of-the-art cosmological hydrod…

astro-ph.CO2015★ 211 cited

Cool Core Clusters from Cosmological Simulations

E. Rasia, S. Borgani, G. Murante +7

We present results obtained from a set of cosmological hydrodynamic simulations of galaxy clusters, aimed at comparing predictions with observational data on the diversity between…

astro-ph.CO2014★ 32 cited

Simulated star formation rate functions at z~4-7, and the role of feedback in high-z galaxies

Edoardo Tescari, Antonios Katsianis, Stuart Wyithe +5

We study the role of feedback from supernovae and black holes in the evolution of the star formation rate function (SFRF) of z~4-7 galaxies. We use a new set of cosmological hydrod…

astro-ph.CO2013★ 117 cited

Characterizing Diffused Stellar Light in simulated galaxy clusters

Weiguang Cui, G. Murante, P. Monaco +6

[Abridged] In this paper, we carry out a detailed analysis of the performance of two different methods to identify the diffuse stellar light in cosmological hydrodynamical simulati…

astro-ph.CO2013★ 152 cited

On the role of AGN feedback on the thermal and chemodynamical properties of the hot intra-cluster medium

S. Planelles, S. Borgani, D. Fabjan +5

We present an analysis of the properties of the ICM in an extended set of cosmological hydrodynamical simulations of galaxy clusters and groups performed with the TreePM+SPH GADGET…

astro-ph.CO2011★ 15 cited

Pointing to the minimum scatter: the generalized scaling relations for galaxy clusters

S. Ettori, E. Rasia, D. Fabjan +2

We introduce a generalized scaling law, M_tot = 10^K A^a B^b, to look for the minimum scatter in reconstructing the total mass of hydrodynamically simulated X-ray galaxy clusters,…

astro-ph.CO2011★ 65 cited

Why are central radio relics so rare?

F. Vazza, M. Brueggen, R. van Weeren +3

In this paper we address the question why cluster radio relics that are connected to shock acceleration, so-called radio gischt, have preferentially been found in the outskirts of…

astro-ph.CO2011★ 102 cited

A Comparison of Cosmological Codes: Properties of Thermal Gas and Shock Waves in Large Scale Structures

F. Vazza, K. Dolag, D. Ryu +4

[...] We present results for the statistics of thermal gas and the shock wave properties for a large volume simulated with three different cosmological numerical codes: the Euleria…

astro-ph.CO2009★ 77 cited

Dynamical difference between the cD galaxy and the stellar diffuse component in simulated galaxy clusters

K. Dolag, G. Murante, S. Borgani

Member galaxies within galaxy clusters nowadays can be routinely identified in cosmological, hydrodynamical simulations using methods based on identifying self bound, locally over…