Baryon fraction in the form of hot gas (red, this work) and stars. The cyan data points show the measurements obtained for the XXL-100-GC sample in three temperature bins (see Table 1), compared to literature measurements at different redshifts (z ~ 0.3, Leauthaud et al. 2012, green; z ~ 0.8, Coupon et al. 2015, blue). The WMAP9 cosmic baryon fraction is displayed in the grey shaded area, whereas the dashed magenta line indicates the cosmic baryon fraction corrected by the depletion factor Yb = 0.85 at r500 (Planelles et al. 2013).
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