\begin{table}%t1
%\centering
\par
\caption{Summary of the targets properties.\label{tab1}}             
\begin{tabular}{l c c c l }     % 7 columns 
\hline\hline       
                      % To combine 4 columns into a single one 
Source  &  X/O & $K_{\rm s}$ & $R-K_{\rm s}$ & Morph. ($K$)\\ 
\hline                    
Abell2690\#029 &  78 & 17.68 & $7.4\pm1.0$ & Point. \\ 
BPM16274\#069  &  52 & 17.83 & $6.6\pm0.8$ & Ell./Disc. \\ 
Abell2690\#075 &  45 & 18.32 & $6.3\pm0.7$ & Ellip. \\ 
PKS0537-28\#111& 154 & 17.66 & $6.8\pm0.7$ & Ellip. \\
\hline                  
\end{tabular}
\end{table}