Intrinsic velocity dispersion as a function of stellar mass. The solid and dashed lines are the σ0 − M⋆ relations from Eqs. (11) and (13) derived with the Tully–Fisher relation of Reyes et al. (2011) and Straatman et al. (2017), respectively. The redshifts correspond to 0.75, 1.25, 2.25, and 3.3, the mean values of each redshift bin. The circles represent the mean velocity dispersions of each stellar mass bin: 8.9 < log(M⋆∕M⊙) < 9.9, 9.9 < log(M⋆∕M⊙) < 10.5, and log (M⋆∕M⊙) > 10.5. The data are from the same surveys as in Fig. 5 when the mass is available. The typical error on individual datapoints is presented at the bottom left.
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