Table 6: Density and temperatures found from different diagnostic line ratios.

Density sensitive line ratio		 Assumed temperature [K] Density [cm-3]

$\lbrack$S II$\rbrack$ $6716/6730~\AA$		 10 000-50 000 $\sim$103.0
$\lbrack$S II$\rbrack$ 1.03 $\mu$m/ $(6716+6730)~\AA$ 10 000 $\sim$104.1
$\lbrack$Fe II$\rbrack$ 1.533/1.643 $\mu$m 3000-12 000 $\sim$104.2
$\lbrack$Fe II$\rbrack$ 0.861/1.256 $\mu$m 10 000 $\sim$105.2

Temperature sensitive line ratio		 Assumed density [cm-3] Temperature [K]
$\lbrack$N I$\rbrack$ 5197 Å/1.040 $\mu$m 104.1-104.7 7000-16 000
$\lbrack$N II$\rbrack$ $(6548+6583)/5754~\AA$ 104.1-104.7 21 000-52 000
$\lbrack$O I$\rbrack$ $(6300+6363)/5577~\AA$ 103.7-104.7 <12 000
$\lbrack$O III$\rbrack$ $(4958+5006)/4363~\AA$ 103.7-104.7 22 500-25 000
$\lbrack$S II$\rbrack$ $(6716+6730)/4068~\AA$ 104.1-104.7 5000-12 500
$\lbrack$S III$\rbrack$ $(0.906+0.953)~\mu$m/6312 Å 103.7-104.7 39 000-43 500


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