\begin{table}%t3
%\centering
\par
\caption{\label{selected-couples}Selected sets of parameters \thw, \lat, $\Psi$ and \fco reproducing the velocity shift curve of the ON--OFF~observations.}  
\small \begin{tabular}{ccccc} 
\hline \hline\noalign{\smallskip}
Set &\thw & \lat & $\Psi$ & \fco  \\ 
\hline 
(1) &70\degre & 10\degre & 19.9\degre & 35.7\% \\ 
(2) &80\degre & 10\degre & 11.9\degre & 33.6\% \\ 
(3) &80\degre & 20\degre & 18.3\degre & 35.5\% \\ 
(4) &80\degre & 30\degre & 33.0\degre & 47.8\% \\ 
\hline 
\end{tabular} 
\end{table}