Fig. 3
Distribution of the gas mass fraction estimates normalized to the cosmic baryon fraction (Jarosik et al. 2011) as a function of the cluster’s temperature (from E12) and core state at different overdensities. The error bars are given at the 1σ level. The dashed lines show the best fit to the entire sample using Eq. (3). For better readability, A2163 (kT ~ 18 keV) is not shown in the plots.
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