Cluster mass derived from the velocity dispersion compared to the cluster mass derived from the gas mass using the mass vs. gas mass relation. The solid line shows the best fit. The dashed line denotes the 1:1 ratio. The green circles, red stars, and black diamonds stand for noncool-core, weak cool-core and strong cool-core clusters, respectively. The two most outliers are A2029 and A2065, which have the highest masses derived from the harmonic velocity dispersion.
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