\begin{table}%t3 %\centering \par \caption{\label{tab:model_parameters}Parameters used for the ASS model of the disk magnetic field.} \small \begin{tabular}{lcr} \hline\hline Parameter \T \B & Value & Notes\\ \hline inclination angle $i$ \T & $78.5\degr$ & optical disk\\ pitch angle & $25\degr$ & fitted to PI\\ magnetic field $FWHM$ & 13~kpc/26~kpc & fitted to PI~profile\\ magnetic field scaleheight & 1.6~kpc & thin radio disk\\ ordered magnetic field & $3.0~\mu\rm G$ & fitted to RM\\ electron $FWHM$ & 13~kpc & fitted to H$\alpha$ profile\\ electron scaleheight & 1.4~kpc & fitted to H$\alpha$ profile\\ electron density $n_{\rm e}$ \B & $0.05~\rm cm^{-3}$ & from H$\alpha$\\ \hline \end{tabular} \end{table}