Rotation period P_min vs. absolute shear ΔΩ. The colors are the same as in Fig. 11, the detection limit is marked by the horizontal dashed line, and the diagonal dashed lines mark the upper and lower limit α_max and α_min, respectively. We found that ΔΩ is independent of P_min over a large period range, although the upper and lower limit suggest an increase of ΔΩ towards short periods, showing large scatter on one order of magnitude.