\begin{table}%t3
\caption{Identified emission lines.\label{tab3}}
%\centerline
 {\begin{tabular}{rrr}
\hline\hline\noalign{\smallskip}
ID$^1$&  $\lambda$ $_{\rm o}$ (\AA) & $\lambda$ $_{\rm obs}$ (\AA) \\
\hline\noalign{\smallskip}
\ion{Fe}{ii}(3)    & 3930.3 & 3931.3\\
H$\epsilon$& 3970.1 & 3970.0\\
H$\delta$&4101.7& 4101.0\\
H$\gamma$&4340.5& 4341.2\\
$[$\ion{Fe}{ii}$]$(20) & 4852.7 & 4853.2\\
H$\beta$& 4861.3 & 4861.4\\
\ion{Fe}{ii}(42)& 4923.9 & 4922.9\\
\ion{Fe}{ii}(42)& 5018.4 & 5018.2\\
\ion{Fe}{ii}(42)& 5169.0 & 5168.3\\
\ion{Fe}{ii}(49)& 5234.6 & 5235.2\\
$[$\ion{Fe}{ii}$]$(18)& 5268.9 & 5269.8\\
$[$\ion{Fe}{ii}$]$(18)& 5273.4 & 5276.4\\
\ion{Fe}{ii}(41)& 5284.1 & 5283.1\\
\ion{Fe}{ii}(49)& 5327.1 & 5326.5\\
\ion{Fe}{ii}   & 5894.1 & 5894.6\\
\ion{Fe}{ii}(74)& 6147.7 & 6150.0\\
\ion{Fe}{ii}(74)& 6238.4 & 6241.6\\
H$\alpha$& 6562.8 & 6560.4\\
\ion{O}{i}        & 7773.0 & 7774.8\\
 \hline
\end{tabular}}
\par
\smallskip
 $^1$ {Suggested identification is followed by the multiplet number in
  brackets. Forbidden lines are distinguished by square brackets.}
\par
\end{table}