\begin{table}%t1
\caption{\label{tab1}Emission line fluxes in units of H$\beta=100$ of some Balmer and [O~{\sc iii}]~emission lines.}
%\centering
\small
\begin{tabular}{lc}
\hline\hline \noalign{\smallskip}
Ion                          &  $F$($\lambda$)\\
\hline
H$\delta$                    &  15.0\\
H$\gamma$                    &  35.0\\
$[$O~{\sc iii}$]\lambda$4363 &   43.0\\
$[$O~{\sc iii}$]\lambda$5007 & 1438.0\\
\hline
\end{tabular}
\end{table}