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Julia Campa |
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The clusters of galaxy are becoming a powerful tool for constraining the cosmological parameters. The measurement of cosmological parameters by counting the numbers of clusters as a function of redshift is a key project of the Dark Energy Survey. The use of clusters as a cosmological probe depends on our understating of the mass of these clusters. In this talk, we present a method for constraining the scatter in the mass richness relation by making use of the bias measured in the cluster correlation function and the results in cosmological simulations. |