\begin{table}%t6
%\setlength{\tabcolsep}{1pt}
\caption{Density and temperatures found from different diagnostic line
ratios.}\label{temden}
\small%\centering
\par
\begin{tabular}[t]{lcc}
\hline\hline\noalign{\smallskip}
Density sensitive line ratio & Assumed temperature [K] & Density [cm$^{-3}$]\\
\noalign{\smallskip}\hline\noalign{\smallskip}
$\lbrack$\ion{S}{ii}$\rbrack$ $6716/6730~\AA$ & $10~000{-}50~000$ & $\sim$$10^{3.0}$ \\
$\lbrack$\ion{S}{ii}$\rbrack$ 1.03~$\mu$m/$(6716+6730)~\AA$ & 10~000 & $ \sim$$10^{4.1}$ \\
$\lbrack$\ion{Fe}{ii}$\rbrack$ 1.533/1.643~$\mu$m & $3000{-}12~000$ & $\sim$$10^{4.2}$ \\
$\lbrack$\ion{Fe}{ii}$\rbrack$ 0.861/1.256~$\mu$m & 10~000 & $\sim$$10^{5.2}$\\
\noalign{\smallskip}\hline\noalign{\smallskip} 
Temperature sensitive line ratio & Assumed density [cm$^{-3}$]& Temperature [K]\\
\noalign{\smallskip}\hline\noalign{\smallskip}
$\lbrack$\ion{N}{i}$\rbrack$ 5197~\AA/1.040~$\mu$m & $10^{4.1}{-}10^{4.7}$ & $7000{-}16~000$ \\
$\lbrack$\ion{N}{ii}$\rbrack$ $(6548+6583)/5754~\AA$ & $10^{4.1}{-}10^{4.7}$
&$21~000{-}52~000$ \\
$\lbrack$\ion{O}{i}$\rbrack$ $(6300+6363)/5577~\AA$ & $10^{3.7}{-}10^{4.7}$ & $<$$12~000$\\
$\lbrack$\ion{O}{iii}$\rbrack$ $(4958+5006)/4363~\AA$ &$10^{3.7}{-}10^{4.7}$ &
$22~500{-}25~000$\\
$\lbrack$\ion{S}{ii}$\rbrack$ $(6716+6730)/4068~\AA$ &
$10^{4.1}{-}10^{4.7}$ & $5000{-}12~500$ \\
$\lbrack$\ion{S}{iii}$\rbrack$ $(0.906+0.953)~\mu$m/6312~\AA & $10^{3.7}{-}10^{4.7}$ & $39~000{-}43~500$\\
\noalign{\smallskip}\hline 
\end{tabular}
\end{table}