Estimation of the LOS velocities and of the unsigned longitudinal magnetic field from classical methods. From left to right: v_LOS from SIR inversions of the Fe line, v_D from the Mg line core Doppler shifts, |B_LOS| from SIR inversions of the Fe line, and |B_LOS| from the WFA applied to the Mg line core spectral region (±100 mÅ). The velocity maps were corrected from cavity errors.