Correlation between M₂₀₀ and M_★ for central galaxies. Median (dots and solid lines) and 16% and 84% quantiles (shaded areas) are shown. We quote in the legend the average of the scatter for the entire sample of central galaxies and with respect to the analytic fit, together with dispersion around the mean. We plot in the inset the distribution of residuals for the analytic fitting function and all the galaxies in the sample.