Fig. 1
Distribution of the number of clusters according to their gas mass fraction fgas. The fgas values were inferred from the M500 data (Hasselfield et al. 2013) according to the four methods discussed in the text. The dashed line, depicted slightly to the right for illustration, is the cosmic mean value for fgas = 0.10 ± 0.02 (David et al. 2012).
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