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Fig. 9


Thick lines: mean of best-fit curves to radial velocity profiles (RVD); dotted lines: measured RVD profiles of samples SII and SI, obtained with the help of the minimization procedure of Sect. 3.1.3 assuming d = 8 and M = 2.4 × 1011  M. (The curve’s width equals twice the standard deviation from the mean.) The light gray region is the uncertainty in the RVD profile corresponding to vertical bars in Fig. 3. Here, rs is the left bound for the fitting region, while ra and rb determine the triangular support ABC in Fig. 5.

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