\begin{table}%t2
%\centering
\par
\caption{Doppler shifts and line widths (\kms) of explosive event S1 and blinker C2.}
\par
\begin{tabular}{lcccccc}
\hline\hline
Region velocities& \multicolumn{3}{c}{%\hspace*{-3mm}
Whole line profile}&
 \multicolumn{3}{c}{\hspace*{-5mm}Wing enhancement}\\
(\kms) & {\it t1} & {\it t2} & {\it t3} & {\it t1} & {\it t2} & {\it t3} \\
\hline
S1 (Doppler shift)& --3.5 & --7.3 & --10.0 & $\times$ & $\times$ & --80.3, 66.0\\
S1 (Line width)& 22.2 & 26.9 & 25.5 & $\times$ & $\times$ & 17.5, 20.1\\
C2 (Doppler shift)& 15.2 & 0.4 & 2.8 & $\times$ & $\times$ & $\times$\\ 
C2 (Line width)& 34.5 & 34.8 & 40.4 & $\times$ & $\times$ & $\times$ \\ 
\hline
\end{tabular}
\label{blinkee_vels1}
\end{table}