Fig. 1
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Projected velocity dispersion as a function of stellar mass for NGC 6397. The error bars are the data from Watkins et al. (2022), the continuous green line is our best fit with the Bianchini et al. (2016) fitting function in Eq. (1) with its error band, the dotted brown line is the complete equipartition limit (σ ∝ m−1/2), and the dashed orange line is our model best-fit with its 68% confidence band.
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