\begin{table}%t2 \caption{Coefficients of the 4{th} order fit to the polarimetric data.} \label{tab-fitpolar} %\centering \par \begin{tabular}{ccc} \hline \hline Coefficient & 4300~\AA & 5250~\AA\\ \hline $q_0$ & $-0.09522 \pm 0.00525$ & $+0.11603 \pm 0.00204$ \\ $q_1$ & $-0.59267 \pm 0.00708$ & $-0.47114 \pm 0.00264$ \\ $q_2$ & $+0.28937 \pm 0.00787$ & $+0.38391 \pm 0.00321$ \\ $q_3$ & $-0.11513 \pm 0.00811$ & $-0.05536 \pm 0.00323$ \\ $q_4$ & $+0.31425 \pm 0.00688$ & $+0.17599 \pm 0.00263$ \\ $q_5$ & $-0.15972 \pm 0.00805$ & $-0.14188 \pm 0.00308$ \\ $q_6$ & $+0.14853 \pm 0.00691$ & $+0.05233 \pm 0.00272$ \\ $q_7$ & $-0.12732 \pm 0.00696$ & $-0.12144 \pm 0.00266$ \\ $q_8$ & $-0.08816 \pm 0.00797$ & $-0.09157 \pm 0.00318$ \\ $u_0$ & $-1.15146 \pm 0.00527$ & $-1.01864 \pm 0.00203$ \\ $u_1$ & $-0.27516 \pm 0.00704$ & $-0.34508 \pm 0.00264$ \\ $u_2$ & $-0.93350 \pm 0.00789$ & $-0.80745 \pm 0.00322$ \\ $u_3$ & $-0.31211 \pm 0.00811$ & $-0.42408 \pm 0.00323$ \\ $u_4$ & $-0.30237 \pm 0.00688$ & $-0.22802 \pm 0.00263$ \\ $u_5$ & $+0.19206 \pm 0.00806$ & $+0.04816 \pm 0.00308$ \\ $u_6$ & $-0.01058 \pm 0.00691$ & $-0.01616 \pm 0.00272$ \\ $u_7$ & $+0.05492 \pm 0.00696$ & $-0.02673 \pm 0.00266$ \\ $u_8$ & $+0.00159 \pm 0.00797$ & $+0.01963 \pm 0.00318$ \\ \hline \end{tabular} \end{table}