\begin{table}%t1
\caption{\label{table1}The linear Pearson correlation coefficients of the
intensity (\textit{I}), two components of the velocity field
(\textit{$v_x$} and \textit{$v_y$}), as well as the velocity
magnitude (\textit{v}) between each pair of passbands.}
%\centering
\small
\begin{tabular}{p{2cm} p{1.0cm} p{1.0cm} p{1.0cm} p{1.0cm}}
\hline\hline
Passbands  & \textit{I} &  \textit{$v_x$} & \textit{$v_y$} & \textit{v} \\
\hline
WL/1700   & 0.13 &  0.63 & 0.71 & 0.35 \\
WL/1600   & 0.09 &  0.58 & 0.62 & 0.26 \\
WL/1550   & 0.06 &  0.50 & 0.61 & 0.22 \\
1700/1600 & 0.96 &  0.81 & 0.81 & 0.63 \\
1700/1550 & 0.82 &  0.73 & 0.71 & 0.48 \\
1550/1600 & 0.92 &  0.78 & 0.81 & 0.61 \\
\hline
\end{tabular}
\end{table}