Splitting asymmetry at low frequency in KIC 3955033. Each dipole mixed mode of the spectrum is labelled with its radial and azimuthal orders. The rotational splittings of the radial orders from −142 to −140, plotted with diamonds, do no match the function ζ. Only the multiplet with n = −141 is complete: the m = +1 splitting is much larger than the m = −1 splitting; the colored regions indicate the ranges over which the function ζ is integrated for the components of the multiplet n = −141. The dashed lines indicate height-to-background values of 7 and 10.