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ATCA observations of the MACS-Planck Radio Halo Cluster Project II. Radio observations of an intermediate redshift cluster sample
G. Martinez Aviles, M. Johnston-Hollitt, C. Ferrari +16
A fraction of galaxy clusters host diffuse radio sources whose origins are investigated through multi-wavelength studies of cluster samples. We investigate the presence of diffuse…
Sub-structure and merger detection in resolved NIKA Sunyaev-Zel'dovich images of distant clusters
R. Adam, O. Hahn, F. Ruppin +48
Sub-structures in the hot gas of galaxy clusters are related to their formation history and to the astrophysical processes at play in the intracluster medium (ICM). The thermal Sun…
First Sunyaev-Zel'dovich mapping with the NIKA2 camera: Implication of cluster substructures for the pressure profile and mass estimate
F. Ruppin, F. Mayet, G. W. Pratt +37
The complete characterization of the pressure profile of high-redshift galaxy clusters, from their core to their outskirts, is a major issue for the study of the formation of large…
NIKA2: a mm camera for cluster cosmology
J. F. Macias-Perez, R. Adam, P. Ade +37
Galaxy clusters constitute a major cosmological probe. However, Planck 2015 results have shown a weak tension between CMB-derived and cluster-derived cosmological parameters. This…
Recovering galaxy cluster gas density profiles with XMM-Newton and Chandra
I. Bartalucci, M. Arnaud, G. W. Pratt +6
We examine the reconstruction of galaxy cluster radial density profiles obtained from Chandra and XMM X-ray observations, using high quality data for a sample of twelve objects cov…
High-resolution SZ imaging of clusters of galaxies with the NIKA2 camera at the IRAM 30-m telescope
F. Mayet, R. Adam, P. Ade +39
The development of precision cosmology with clusters of galaxies requires high-angular resolution Sunyaev-Zel'dovich (SZ) observations. As for now, arcmin resolution SZ observation…