\begin{table}%t5
%\centering
\par
\caption{LWS line fluxes  for Mkn~297. The  three columns
give the  line identification, the wavelength and the line-flux
respectively.} \label{t5}
\begin{tabular}{lcc}
\hline\hline\noalign{\smallskip}  
 Line        &  $\lambda$ &    Line-flux                        \\
             &  ($\mu$m)  &  ($\times$10$^{-15}$ W/m$^{2}$ )  \\
\noalign{\smallskip}
\hline 
\noalign{\smallskip}  
$[$O I$]$    &     63.1   &     2.0~$\pm$~0.5                 \\
$[$O III$]$  &     88.8   &     1.8~$\pm$~0.4                 \\  
$[$O I$]$    &    146.7   &     0.17~$\pm$~0.07               \\  
$[$C II$]$   &    157.7   &     1.8~$\pm$~0.1                 \\
\hline
\end{tabular} 
\end{table}