\begin{table}%t5
\par
\caption{\label{tab:length}Median values of the bar radius for the different galaxy types.} 
%\centering
\par
\begin{tabular}{l c c c}     
\hline\hline 
\noalign{\smallskip}                      
  & S0 & Early-type spirals & Late-type spirals \\
\noalign{\smallskip}                       
\hline 
\noalign{\smallskip}                      
$r_{\rm bar}^{\epsilon}$ (kpc)     & 3.5 & 4.0 & 3.8 \\  
$r_{\rm bar}^{\rm PA}$ (kpc)             & 5.6 & 5.4 & 4.9 \\ 
$r_{\rm bar}^{\epsilon}/r_{\rm gal}$ & 0.35 & 0.30 & 0.25 \\ 
$r_{\rm bar}^{\rm PA}/r_{\rm gal}$         & 0.51 & 0.39 & 0.31 \\
\hline 
\end{tabular} 
\end{table}