no code implementations • 5 Jan 2021 • V. Cuciti, R. Cassano, G. Brunetti, D. Dallacasa, F. de Gasperin, S. Ettori, S. Giacintucci, R. Kale, G. W. Pratt, R. J. van Weeren, T. Venturi
We found that the fraction of radio halos drops from ~70% in high mass clusters to ~35% in the lower mass systems of the sample and we showed that this result is in good agreement with the expectations from turbulent re-acceleration models.
Cosmology and Nongalactic Astrophysics
no code implementations • 5 Jan 2021 • V. Cuciti, R. Cassano, G. Brunetti, D. Dallacasa, R. J. van Weeren, S. Giacintucci, A. Bonafede, F. de Gasperin, S. Ettori, R. Kale, G. W. Pratt, T. Venturi
The aim of this paper is to compile a well-selected sample of galaxy clusters with deep radio observations to perform an unbiased statistical study of the properties of radio halos.
Cosmology and Nongalactic Astrophysics
no code implementations • 27 Feb 2019 • G. W. Pratt, M. Arnaud, A. Biviano, D. Eckert, S. Ettori, D. Nagai, N. Okabe, T. H. Reiprich
On the observational side, new, sophisticated techniques are being deployed in individual mass measurements and to account for selection biases in cluster surveys.
Cosmology and Nongalactic Astrophysics
