\begin{table}%t1
\caption{\label{photdet}Details of the photometric observations.}
\small
%\centering
\par
\begin{tabular}{c r c c}
\hline\hline
\multicolumn{4}{c}{ESO 3.6~m Telescope observations} \\
\hline  
Object name	& $t$ (s)	& $m_r$		& $m_{R_{\rm C}}$ \\\noalign{\smallskip}
\hline
PKS~J0441$-$3340	&  600	& 22.8 $\pm$ 0.4	& 22.5 $\pm$ 0.4 \\
PKS~J0913+1454	& 1200	& 23.2 $\pm$ 0.5	& 22.9 $\pm$ 0.5 \\
PKS~J1044$-$2712	& 1200	& 23.1 $\pm$ 0.4	& 22.8 $\pm$ 0.4 \\
PKS~J1057+0012	& 1200	& 22.6 $\pm$ 0.3	& 22.3 $\pm$ 0.3 \\
PKS~J1109+1043	& 1200	& 22.9 $\pm$ 0.3	& 22.6 $\pm$ 0.3 \\
PKS~J1122$-$2742	& 1600	& 23.3 $\pm$ 0.5	& 23.0 $\pm$ 0.5 \\
PKS~J1135$-$0021	&   60	&		& 21.9 $\pm$ 0.4 \\
PKS~J1648+0242	& 1200	& 22.4 $\pm$ 0.3	& 22.1 $\pm$ 0.3 \\
\hline
\multicolumn{4}{c}{ESO VLT observations} \\
\hline  
Object name	& $t$ (s)	&	&  $m_{R_{\rm C}}$ \\\noalign{\smallskip}
\hline
PKS~J0401$-$2921	& 10	& 	&  21.0 $\pm$ 0.2 \\
PKS~J1345$-$3015	& 10	& 	&  21.2 $\pm$ 0.2 \\
PKS~J1352+1107	& 10	& 	&  21.0 $\pm$ 0.2 \\
\hline
\multicolumn{4}{c}{ESO NTT observation} \\
\hline  
Object name	& $t$ (s)	& \multicolumn{2}{c}{$m_{K{\rm s}}$} \\
\hline
PKS~J0210+0419	& 450	&  \multicolumn{2}{c}{18.3 $\pm$ 0.2} \\
\hline
\end{tabular}
\end{table}