Mass models within the CDM framework. The top panel shows the fit for Case 1 when M₂₀₀ can be as low as 10⁷ M_⊙, which results in a baryon fraction higher than the cosmological average. The bottom corresponds to Case 2, when M₂₀₀ ensures a baryon fraction lower or equal to the cosmological baryon fraction. The median parameters of the best-fitting distributions are listed on each panel, together with the maximum-likelihood values (in parentheses). In both panels, the orange, blue, and black curves represent the contribution to the total circular speed (red) from the stars, gas, and dark matter halo, respectively. The red band represents the 16th and 84th percentiles of our posteriors at the best-fitting distance and inclination. The best-fitting distance and inclination are slightly different between the two panels. The additional black and red dashed curves correspond to the maximum-likelihood mass model.