\begin{table}%t6
      \caption{\label{propspec}Extinction-corrected emission line flux ratios with respect to 
                 H$\beta$$^\dagger$.}
        %%\centerline
\par
{
         \begin{tabular}{lccccccc}
            \hline\hline
            \noalign{\smallskip}
 & ce-042 & ce-048 & ce-061 & ce-176 & ce-200 & ce-143 & sw-222 \\
            \noalign{\smallskip}
            \hline
            \noalign{\smallskip}
\mbox{[O{\sc ii}]}~$\lambda$3727~\AA & 6.149 & 0.932 & 2.475 & 3.062 & 6.234 & 3.505 & 3.044 \\
            &(1.108)&(0.050)&(0.122)&(0.343)&(0.956)&(0.322)&(0.154)\\
H$_{\beta}$~$\lambda$4861~\AA & 1.000 & 1.000 & 1.000 & 1.000 & 1.000 & 1.000 & 1.000 \\
         &(0.071)&(0.012)&(0.016)&(0.052)&(0.042)&(0.037)&(0.016)\\
\mbox{[O{\sc iii}]}~$\lambda$4959~\AA &  --  & 1.424 & 0.940 & 1.004 &  --  & 0.834 & 0.597 \\
            &  --  &(0.040)&(0.033)&(0.086)&  --  &(0.065)&(0.038)\\
\mbox{[O{\sc iii}]}~$\lambda$5007~\AA & 2.955 & 3.559 & 2.753 & 2.287 & 1.878 & 2.730 & 1.867 \\
           &(0.299)&(0.078)&(0.069)&(0.154)&(0.135)&(0.142)&(0.054)\\
\mbox{[N{\sc ii}]}~$\lambda$6548~\AA & 0.203 & --  & 0.142 &  --  & 0.086 &  --  & 0.167 \\
           &(0.080)& -- &(0.009)&  --  &(0.063)&  --  &(0.015)\\
H$_{\alpha}$~$\lambda$6563~\AA & 2.891 & 2.756 & 2.891 & 2.770 & 2.890 & 2.889 & 2.890 \\
          &(0.528)&(0.108)&(0.105)&(0.334)&(0.344)&(0.277)&(0.109)\\
\mbox{[N{\sc ii}]}~$\lambda$6584~\AA & 0.466 & --  & 0.332 & 0.298 & 0.186 & 0.447 & 0.407 \\
           &(0.116)& -- &(0.021)&(0.045)&(0.068)&(0.067)&(0.019)\\
\mbox{[S{\sc ii}]}~$\lambda$6717~\AA &  --  &  --  & 0.402 & 0.529 &  --  & 0.703 & 0.573 \\
           &  --  &  --  &(0.022)&(0.066)&  --  &(0.096)&(0.026)\\
\mbox{[S{\sc ii}]}~$\lambda$6731~\AA &  --  &  --  & 0.300 & 0.365 &  --  & 0.513 & 0.371 \\
           &  --  &  --  &(0.017)&(0.047)&  --  &(0.057)&(0.017)\\
\noalign{\smallskip}\hline\noalign{\smallskip}
$V_{\rm hel}$ (km~s$^{-1}$) & 11~840 & 11~181 & 10~012 & 9875 & 9940 & 11~616 & 10~087 \\
          &  (90) &  (39) &  (76) & (95) & (65) &  (63) &  (20) \\
$C$(H$_{\beta}$) & 0.298 & 0.000 & 0.004 & 0.000 & 0.103 & 0.116 & 0.166 \\
              &(0.117)&(0.025)&(0.023)&(0.077)&(0.076)&(0.061)&(0.024)\\
$EW$(H$_{\beta}$) (\AA) & 10.4 & 47.7 & 30.9 & 14.3 &  8.9 & 13.0 & 14.5 \\
                 &  (1.0) &  (2.5) &  (0.9) &  (1.1) &  (0.4) &  (0.6) &  (0.3) \\
            \hline
                     \end{tabular}}
\smallskip
$^\dagger$ Quantities in parenthesis correspond to the
errors of the quantities quoted above.
\end{table}