Rotation profiles for the best model of each model set, with a regularisation parameter set to the maximum possible value such that the profiles still reproduce the observed splitting (see the main text for details). The bands around the profiles show the propagated 2σ uncertainties, including the lack of certainty regarding the identity of the symmetric component of the splittings. The dash-dotted red line shows the rotation profile obtained by Mombarg et al. (2023) using the ESTER code. The rotation profile of the best asteroseismic model of set 4 ranges from −1.2 d⁻¹ to 0.7 d⁻¹.