\begin{table}%t5 \caption{\label{tab:domca}Ca~II dominant axis weighted fittings for the eight epochs.} \tabcolsep 0.6mm %\centerline {\begin{tabular}{ccccccc} \hline\hline Phase & $\alpha$ & $\beta$ & $\chi^2$ & $\sigma$ &$\theta_d$ & $p$\\ (days) & (\%) & & & (\%) & (deg) & \\ \hline $-$10 &$-$0.224(0.045) & $-$0.264(0.095) & 59 & 0.43 & 82.6(5.4)& 0.06\\ $-$8 & +0.041(0.025) & $-$0.335(0.058) & 55 & 0.24 & 80.7(3.3)& 3~$\times$~10$^{-5}$\\ $-$7 &$-$0.012(0.015) & $-$0.345(0.048) & 89 & 0.17 & 80.5(2.7)& 3~$\times$~10$^{-5}$\\ $-$6 & +0.038(0.021) & $-$0.293(0.080) & 59 & 0.19 & 81.9(4.5)& 0.02\\ $-$3 &$-$0.103(0.013) & $-$0.157(0.088) & 129 & 0.19 & 85.6(5.0)& 0.82\\ $-$2 &$-$0.078(0.011) & $-$0.190(0.067) & 143 & 0.17 & 84.6(3.8)& 0.11\\ $-$1 &$-$0.105(0.021) & $-$0.298(0.119) & 82 & 0.22 & 81.7(6.7)& 0.33\\ +39 & $-$0.030(0.010) & +0.032(0.106) & 88 & 0.30 & 90.9(6.1)& 0.62\\ \hline \end{tabular}} \par \smallskip {Note: data with velocities between $-$40~000 and $-$10~000~km~s$^{-1}$} {were included. The number of degrees of freedom is 31.} \end{table}