Fig. 1.

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Criteria used for the selection of the kinematics sample. The black points represent galaxies selected according to the surface, S/N, and inclination (removing face-on galaxies only) criteria. Removed galaxies are represented as follows and in this specific order: (i) those removed by the inclination criterion (pink squares), (ii) those removed by the S/N criterion among the remaining galaxies (orange downward pointing triangles), (iii) those removed by the surface criterion among the remaining galaxies but that would have been kept by our previous size criterion used in Mercier et al. (2022, blue upward pointing triangles), and (iv) those removed by the full selection and by our previous size criterion as well (grey dots). We also show galaxies flagged with peculiar kinematics with red contours. The vertical black line shows the surface selection criterion given in Eq. (2) and the other black lines represent the S/N selection for different disk axis ratios (see Eq. (3)).
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