\begin{table}%t2
%\centering
\par
\caption {\label{tab2}Fraction of photometric binaries with $q>q_{\rm th}$ and total
  fraction of binaries (Cols.~5 and~6) within the cluster field. }
%%\centering
\par
\begin{tabular}{lccc}
\hline\hline  ID   & $q_{\rm th}$ & $f_{\rm bin}^{q>q_{\rm th}}$  & $f_{\rm bin}^{\rm TOT}$ \\
%------------------------------------------------------------------------
\hline
ESO057-SC075  & 0.6 & 0.17~$\pm$~0.02 & 0.42~$\pm$~0.05 \\
HODGE7        & 0.7 & 0.08~$\pm$~0.01 & 0.27~$\pm$~0.04 \\
%IC2146       &   &  &  &  \\
NGC~1644       & 0.7 & 0.09~$\pm$~0.02 & 0.29~$\pm$~0.06 \\
NGC~1652       & 0.7 & 0.06~$\pm$~0.01 & 0.19~$\pm$~0.04 \\
NGC~1751       & 0.6 & 0.13~$\pm$~0.01 & 0.33~$\pm$~0.03 \\
%NGC1783      & & & \\
NGC~1795       & 0.7 & 0.12~$\pm$~0.02 & 0.39~$\pm$~0.06 \\
NGC~1806       & 0.6 & 0.13~$\pm$~0.01 & 0.32~$\pm$~0.03 \\
%NGC1846      & & &  \\
NGC~1852       & 0.7 & 0.11~$\pm$~0.02 & 0.36~$\pm$~0.05 \\
NGC~1917       & 0.7 & 0.09~$\pm$~0.02 & 0.31~$\pm$~0.05 \\
%NGC1978      &   &  &  &  \\
NGC~1987       & 0.6 & 0.12~$\pm$~0.01 & 0.31~$\pm$~0.03 \\
NGC~2108       & 0.6 & 0.18~$\pm$~0.01 & 0.46~$\pm$~0.03 \\
NGC~2154       & 0.7 & 0.08~$\pm$~0.01 & 0.28~$\pm$~0.04 \\
%----------------------------------------------------------------------
\hline
\end{tabular}
\end{table}