\begin{table}%t5
\caption{\label{tab5}Optical-radio rotational parameters.}  
%\centering
\small                        
\begin{tabular}{lccccc}        
\hline\hline \noalign{\smallskip}                
Source & $\varpi_{x}$ & $\varpi_{y}$ &$\varpi_{z}$& $N$ &$\sigma$\@{}\\
~& mas & mas & mas &~& mas  \\
 \hline \\[-3mm]
$\rm JP$\tablefootmark{1} &--$0.2\pm5.8$&$7.2\pm5.5$&$7.0\pm4.5$&130&43\@{}\\ 
$\rm CTIO$\tablefootmark{2} &--$1.1\pm3.6$&$1.3\pm3.0$&$6.7\pm2.4$&172&31\@{}\\
$\rm JP+CTIO$\tablefootmark{3} &--$0.4\pm3.2$&$3.5\pm2.8$&$6.8\pm2.3$&302&37\@{}\\
\hline                                   
\end{tabular}
\tablefoot{\tablefoottext{1}{JP-Joint Projects, data from this work;}
\tablefoottext{2}{data from work  Assafin et~al. (\cite{Assa03});} 
\tablefoottext{3}{joint Project  data and data from work Assafin et~al. (\cite{Assa03}).}}
\end{table}