\begin{table}%t5
\caption{\label{tabella5}Magnitudes of VLBL candidates from our photometry on POSS-I, POSS-II and UK-Schmidt plates in the optical band.}
%\centering
\par
\begin{tabular}{cccccccccc}
\hline\hline\noalign{\smallskip}
Source  & Julian date & $B$ mag & $R$ mag & $J$ mag & err & $H$ mag & err & $K$ mag & err \\
\hline
\a      &  2~434~798.5  & 17.98 & 17.47 &       &     &       &     &       &     \\
        &  2~435~164.5  &       & 16.61 &       &     &       &     &       &     \\
        &  2~450~896.5  & 18.43 &       &       &     &       &     &       &     \\
        &  2~451~601.7  &       &       & 15.47 & 0.05& 14.57 & 0.06& 13.73 & 0.05\\
\hline
\b      &  2~435~136.5  & 19.47 & 19.56:&       &     &       &     &       &     \\
        &  2~447~584.5  &       & 17.65 &       &     &       &     &       &     \\     
        &  2~447~860.5  &       & 18.14:&       &     &       &     &       &     \\ 
        &  2~447~968.5  & 18.94 &       &       &     &       &     &       &     \\
        &  2~450~546.5  & 18.83 &       &       &     &       &     &       &     \\   
        &  2~450~921.6  &       &       & 15.90 & 0.08& 14.91 & 0.08& 14.04 & 0.05\\
\hline
\c      &  2~435~191.5  &       & 18.64 &       &     &       &     &       &     \\
        &  2~447~861.5  &       & 19.44:&       &     &       &     &       &     \\
        &  2~449~330.5  &       & 19.06:&       &     &       &     &       &     \\
        &  2~449~751.5  & 19.79 &       &       &     &       &     &       &     \\
        &  2~450~516.5  & 21.46:&       &       &     &       &     &       &     \\ 
        &  2~450~758.5  & 21.11:&       &       &     &       &     &       &     \\ 
        &  2~450~822.9  &       &       & 17.06:&     & 16.39 & 0.23& 15.36 & 0.12\\     
\hline
\d      &  2~434~422.5  & 19.58 & 18.29 &       &     &       &     &       &     \\       
        &  2~449~312.5  &       & 17.57 &       &     &       &     &       &     \\             
        &  2~450~806.5  & 19.66 &       &       &     &       &     &       &     \\  
        &  2~451~595.8  &       &       & 16.60 & 0.15& 15.55 & 0.15& 14.83 & 0.10\\
\hline
\e      &  2~434~445.5  & 19.78 & 18.67 &       &     &       &     &       &     \\      
        &  2~434~483.5  &       & 18.70 &       &     &       &     &       &     \\ 
        &  2~447~418.5  & 19.89 &       &       &     &       &     &       &     \\ 
        &  2~447~418.5  & 20.00 &       &       &     &       &     &       &     \\ 
        &  2~450~514.5  & 19.23 & 17.66 &       &     &       &     &       &     \\       
        &  2~450~518.5  &       & 17.95 &       &     &       &     &       &     \\       
        &  2~450~831.5  & 19.02 &       &       &     &       &     &       &     \\ 
        &  2~450~836.5  & 19.02 &       &       &     &       &     &       &     \\       
        &  2~450~841.5  & 18.81 &       &       &     &       &     &       &     \\ 
        &  2~450~842.5  &       & 17.54 &       &     &       &     &       &     \\        
        &  2~450~921.5  & 19.32 &       &       &     &       &     &       &     \\        
        &  2~450~925.5  &       & 17.70 &       &     &       &     &       &     \\      
        &  2~451~161.5  &       & 17.39 &       &     &       &     &       &     \\ 
        &  2~451~615.8  &       &       & 16.08 & 0.09& 15.30 & 0.09& 14.18 & 0.06\\
\hline
\f      &  2~435~167.5  &       & 18.71 &       &     &       &     &       &     \\ 
        &  2~450~467.5  & 19.66 &       &       &     &       &     &       &     \\ 
        &  2~450~548.5  & 19.29 &       &       &     &       &     &       &     \\ 
        &  2~450~896.5  &       & 18.56 &       &     &       &     &       &     \\ 
        &  2~450~926.5  &       & 18.62 &       &     &       &     &       &     \\ 
        &  2~451~300.6  &       &       & 16.36 & 0.11& 15.32 & 0.10& 14.42 & 0.07\\	
\hline
BZB~J1927+6117      &  2434237.5  & 17.90 & 17.30 &       &     &       &     &       &     \\   
        &  2~434~650.5  & 17.52 & 16.82 &       &     &       &     &       &     \\   
        &  2~447~733.5  & 17.22 &       &       &     &       &     &       &     \\
        &  2~448~501.5  &       & 16.71 &       &     &       &     &       &     \\
        &  2~451~320.9  &       &       & 15.54 & 0.05& 14.77 & 0.05& 13.89 & 0.06\\
\hline
\l      &  2~434~626.5  &       & 18.76 &       &     &       &     &       &     \\
        &  2~448~476.5  &       & 19.20 &       &     &       &     &       &     \\
        &  2~449~189.5  &       & 19.52 &       &     &       &     &       &     \\  
        &  2~449~931.5  &       & 20.29 &       &     &       &     &       &     \\   
\hline
\end{tabular}
\tablefoot {the error associated to measures in the $B$ and $R$~filters is 0.20~mag. In~the
near-infrared band, magnitudes from 2MASS are also reported.}
\vspace*{3.18mm}
\end{table}