Primary scan best kappa_c: 0.086457 (chi^2=8.456638e-02) Quadratic refinement: kappa_c=0.086594, chi^2=8.456625e-02, sigma~0.2648 Golden-section: kappa_c=0.086587, chi^2=8.456626e-02, iters=10, bracket=(0.08658333010795213, 0.08659145665936488) Zoom scan best kappa_c: 0.086608 (chi^2=8.456627e-02) Bootstrap mean: 0.086882, std: 0.007372 Radius-weighted best kappa_c: 0.122939 Rotation curves plotted for: F568-1, F571-8, IC4202, F563-1, F583-1, D631-7, F574-1, F568-3, DDO161, NGC2403-like...