Analysis of the mass-dependent kinematics of NGC 6397. a) The red histogram shows the distribution of stellar masses in the MUSE sample. The median measurement uncertainties of the stellar velocities as a function of mass are shown as blue crosses. b) The velocity dispersion profile as a function of stellar mass. The mass range of each bin is shown in the legend. In contrast to a), only stars with a measurement uncertainty < 5 km s-1 were included in this comparison.
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