\begin{table}
  \caption{Ultraviolet (IUE) and optical line fluxes (Keyes \& Aller 
    1990). Keyes fluxes were
    dereddened fluxes using an interstellar extinction of $E_{{B-V}}=0.85$.}
  \label{uv_op}
  %\centerline{
  \begin{tabular}{c c c r}
\hline
    \hline
    Wavelength & Ident. & Measured & Dereddened\\
    (nm) & & Fluxes$^{1}$ & Intensities$^{1}$\\
    \hline
    123.83 & \ion{N}{v}     &   0.12    &   240 \\
    140.06 & \ion{O}{iv}    &   0.61    &   271 \\
    148.50 & \ion{N}{iv]}   &   0.70    &   415 \\
    154.83 & \ion{C}{iv}    &  20.80    &  12\,100 \\
    157.57 & \ion{[Ne}{v]}  &   0.21    &   17.4 \\
    164.20 & \ion{He}{ii}   &   5.00    &  2700 \\
    174.95 & \ion{N}{iii]}  &   0.62    &   275 \\
    189.20 & \ion{Si}{iii]} &   0.17    &    87.5 \\
    190.67 & \ion{C}{iii]}  &   4.23    &  2300 \\
    190.88 & \ion{C}{iii]}  &   6.85    &  3700 \\
    232.55 & \ion{C}{ii}    &   0.61    &   526 \\
    232.75 & \ion{C}{ii}    &   0.48    &   411 \\
    242.14 & \ion{[Ne}{iv]} &   1.32    &   609 \\
    242.45 & \ion{[Ne}{iv]} &   0.43    &   198 \\
    278.23 & \ion{[Mg}{v]}  &   0.83    &    98.4 \\
    334.68 & \ion{[Ne}{v]}  &           &      700 \\
    342.68 & \ion{[Ne}{v]}  &           &     2100 \\
    372.62 & \ion{[O}{ii]}  &   5.98    &   220 \\
     372.88 & \ion{[O}{ii]}  &   2.19    &    80.2 \\
    386.98 & \ion{[Ne}{iii]}&  43.34    &  1500 \\
     396.86 & \ion{[Ne}{iii]}&  15.56    &   500 \\
    436.44 & \ion{[O}{iii]} &  13.36    &   340 \\
     447.10 & \ion{He}{i}    &   1.90    &   45.4   \\   
    468.60 & \ion{He}{ii}   &   32.3    &   660    \\   
     471.14 & \ion{[Ar}{iv]} &  1.91     &   38.1  \\
    474.00 & \ion{[Ar}{iv]} &  6.74     &  131.7  \\
    486.10 & H$_{\beta}$    &  75.9     &  1360    \\
    493.26 & \ion{[O}{iii]} &     0.17  &     2.9 \\
    496.03 & \ion{[O}{iii]} &   388.61  &  6400 \\
     500.82 & \ion{[O}{iii]} &  1178.73  & 19\,000 \\
   551.70 & \ion{[Cl}{iii]}&     0.20  &     2.23 \\
    553.80 & \ion{[Cl}{iii]}&     0.77  &     8.6 \\
    658.40 & \ion{[N}{ii]}  &   202.65  &  1500 \\
    671.63 & \ion{[S}{ii]}  &     3.57  &    24.1 \\
    673.10 & \ion{[S}{ii]}  &     8.20  &    56 \\
    857.70 & \ion{[Cl}{ii]} &     1.01  &     3.6 \\ 
      \hline
    \end{tabular}%}
\par
  \medskip
  $^{1}$ Units: $10^{-12}\,{\rm erg~cm^{-2}~s^{-1}}$.
\par
\end{table}