Left panel: fit to the escape velocity points assuming ve,340, and obtained using the disc and bulge potential of model III of Irrgang et al. (2013), and a dark halo of M200 = 1.28 × 1012M⊙ and c200 = 11.09 (orange line and uncertainty bands). Right panel: same as in the left panel, but for M200 = 1.55 × 1012M⊙ and c200 = 7.93 (blue line and uncertainty bands) when the ΛCDM relation between M200 and c200 is assumed. The orange and blue bands represent the 1σ uncertainties of the models.
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