\begin{table}%T2
      \caption{\label{PC}Results of the photometric calibration of {\it BVR}~data.}
             %\centering
\par
             \begin{tabular}{c c c c c c}
   \hline\hline
   \noalign{\smallskip}
   {\rm Band} & ${C}$ & $\gamma $& ${ A}$ & ${ ZP}$ & $\sigma$  \\
   \noalign{\smallskip}
   \hline
   \noalign{\smallskip}
   ${B}$ & ${B - V}$ & $-0.037 \pm 0.008 $&  $0.322 \pm 0.010$ &$ 24.885 \pm 0.015$& 0.016\\
   ${V}$ & ${B - V}$ & $ 0.035 \pm 0.009$ & $ 0.204 \pm 0.013$ &$ 25.277 \pm 0.021$& 0.020\\
   ${R}$ & ${V - R}$ & $ 0.010 \pm 0.01$7 & $ 0.145 \pm 0.014$ &$ 25.346 \pm 0.023$& 0.026\\
            \noalign{\smallskip}
            \hline
         \end{tabular}
       \end{table}