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The XXL Survey: XXV. Cosmological analysis of the C1 cluster number counts

Pacaud, F.; Pierre, M.; Melin, J.-B.; Adami, C.; Evrard, A.E; Galli, S.; Gastaldello, F.; Maughan, B. J.; Sereno, M.; Alis, S.; Lidman, Christopher


Context. We present an estimation of cosmological parameters with clusters of galaxies. Aims. We constrain the Ωm, σ8, and w parameters from a stand-alone sample of X-ray clusters detected in the 50 deg2 XMM-XXL survey with a well-defined selection function. Methods. We analyse the redshift distribution of a sample comprising 178 high signal-to-noise ratio clusters out to a redshift of unity. The cluster sample scaling relations are determined in a self-consistent manner. Results. In a...[Show more]

CollectionsANU Research Publications
Date published: 2018-11-20
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201834022
Access Rights: Open Access


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