\begin{table}%T4
\par
\caption{\label{table:izlom}Galaxies with the observed H~{\sc ii}~regions
which are expected to not belong to the upper branch
of the $R_{\rm 23}- {\rm O/H}$~diagram and the radius $R^*$ where the oxygen
abundance decreases to around \mbox{$12+\log~($O/H$) = 8.2$}.}
%\centering
\par
\begin{tabular}{lc|lc}
 \hline \hline
Galaxy       & $R^{*}$/$R_{\rm 25}$ & Galaxy       & $R^{*}$/$R_{\rm 25}$     \\
 \hline
NGC~300       & 0.8              & NGC~4651      &   0.8                \\
\par
NGC~925       & 0.5              & NGC~5033      &   0.5                \\
\par
NGC~1365      & 0.7              & NGC~5457      &   0.6                \\
\par
NGC~2805      & 0.9              & NGC~7793      &   0.6                \\
\par
NGC~3198      & 0.8              & IC~342        &   0.7                \\  \hline
\end{tabular}
\end{table}