\begin{table}%T1 \par \caption{\label{tab1}The best-fit spin values inferred for the three cases of the limb darkening/brightening law, Eq.~(\ref{case123}), for the \textscown{kyrline} model.} \small%\centerline { \begin{tabular}{c|cc|cc} \hline\hline Case & \multicolumn{2}{c}{$a_{\rm f}=0.7$} & \multicolumn{2}{c}{$a_{\rm f}=0.9982$} \\ no. & $\theta_{\rm f}=30^{\circ}$ & $\theta_{\rm f}=60^{\circ}$ & $\theta_{\rm f}=30^{\circ}$ & $\theta_{\rm f}=60^{\circ}$\\ \hline 1 & $\rm 0.56^{+0.04}_{-0.03}$ & $\rm 0.69^{+0.03}_{-0.04}$ & $\rm 0.92^{+0.03}_{-0.03}$ & $\rm 0.981^{+0.013}_{-0.031}$ \\ 2 & $\rm 0.66^{+0.05}_{-0.05}$ & $\rm 0.70^{+0.02}_{-0.04}$ & $\geq$$0.966$ & $\geq$$0.986$\\ 3 & $\rm 0.74^{+0.05}_{-0.03}$ & $\rm 0.70^{+0.03}_{-0.03}$ & $\geq$$0.991$ & $\geq$$0.993$\\ \hline \end{tabular}} \smallskip The artificial data were generated using the \textscown{kyrline} model with isotropic directionality and the fiducial values of parameters (denoted by the subscript ``f''). See the main text for details. \end{table}