\begin{table} %T1
      \caption{\label{inf}Information on the photometric observations.}
     $$
           \begin{array}{c c c c}
            \hline\hline
            \noalign{\smallskip}
            {\rm Band} & T{\rm _{exp}} & {\rm Seeing} & {\rm Scale} \\
                 & {\rm ks} & {\rm arcsec} &{\rm arcsec/pxl}\\
            \noalign{\smallskip}
            \hline
            \noalign{\smallskip}
            {B} &1.8 & 0.80  & 0.267  \\
            {V} &1.26 \times 3 & 0.80 & 0.267   \\
            {R} &0.9& 0.90 & 0.267\\
            \noalign{\smallskip}
            \hline
         \end{array}
     $$
   \end{table}