\begin{table}%t4
%\centering
\par
\caption{Distribution of \ha\ excess stars in different bins of
uncertainty on the \ha\ color index
$m_{F675W}-m_{F656N}$ (see text and
Fig.~\ref{fig:south_ha-ex_five}).\label{tab:south_ha-ex_five}}
\begin{tabular}[b]{lcc}\hline\hline
Error range &  Number of   &      Ratio     \\
            & excess stars & (total/excess)\\\hline
$0.05{-}0.10$ &   $7\pm 3$ & 135 \\
$0.10{-}0.15$ &  $74\pm9$  &  16 \\
$0.15{-}0.20$ & $205\pm15$ &   5 \\  
$0.20{-}0.25$ & $264\pm18$ &   4 \\
$0.25{-}0.30$ & $231\pm15$ &   4 \\\hline
\end{tabular}
\end{table}