Publications (20)
Cosmological constraints from abundance, weak-lensing and clustering of galaxy clusters: application to the SDSS
Alessandra Fumagalli, Matteo Costanzi, Alexandro Saro +2
The clustering of galaxy clusters is a powerful cosmological tool, which can help to break degeneracies between parameters when combined with other cosmological observables. We aim…
Forming intracluster gas in a galaxy protocluster at a redshift of 2.16
Luca Di Mascolo, Alexandro Saro, Tony Mroczkowski +12
Galaxy clusters are the most massive gravitationally bound structures in the Universe, comprising thousands of galaxies and pervaded by a diffuse, hot ``intracluster medium'' (ICM)…
Cosmology dependency of halo masses and concentrations in hydrodynamic simulations
Antonio Ragagnin, Alexandro Saro, Priyanka Singh +1
We employ a set of Magneticum cosmological hydrodynamic simulations that span over different cosmologies, and extract masses and concentrations of all well-resolved haloes bet…
Dark Energy Survey Year 1 Results: Cosmological Constraints from Cluster Abundances and Weak Lensing
DES Collaboration, Tim Abbott, Michel Aguena +129
We perform a joint analysis of the counts and weak lensing signal of redMaPPer clusters selected from the Dark Energy Survey (DES) Year 1 dataset. Our analysis uses the same shear…
nIFTy galaxy cluster simulations V: Investigation of the Cluster Infall Region
Jake Arthur, Frazer R. Pearce, Meghan E. Gray +19
We examine the properties of the galaxies and dark matter haloes residing in the cluster infall region surrounding the simulated CDM galaxy cluster studied by Elahi et al. (201…
Fitting covariance matrix models to simulations
Alessandra Fumagalli, Matteo Biagetti, Alexandro Saro +4
Data analysis in cosmology requires reliable covariance matrices. Covariance matrices derived from numerical simulations often require a very large number of realizations to be acc…