Fig. A.1.

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Goodness of fit: Bayesian fit of the velocity anisotropy with BALROGO. The upper plot shows the case without a dark matter mini-halo, while the lower plot shows the case with a dark matter mini-halo. The black dots are the binned values of the empirical velocity anisotropy, logarithmically spaced and with error bars representing the 3-σ Poisson error. The solid coloured line (red or green) represent the best likelihood fit of the Osipkov (1979), Merritt (1985) model (Eq. [2]), with respective shaded regions encompassing the [2.5, 97.5] percentiles of the fit.
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