Table 4: Observed and reddening-corrected line intensity ratios relative to H$\beta $ a.
Line ESO 103-G035 TXS 2226-184 IC 1481
  $F_{\rm obs}$ $F_{\rm dered}$ $F_{\rm obs}$ $F_{\rm dered}$ $F_{\rm obs}$ $F_{\rm dered}$
[O II]  $\lambda3727$ 1.53 2.56 4.39 5.69 3.03 3.43
[Ne III]  $\lambda3868$ 0.67 1.03 0.4 0.49 0.51 0.57
H $\epsilon+[\mbox{Ne {\sc iii}}]~\lambda$3967 0.22 0.33 - - - -
[O III] $\lambda $4363 0.12 0.15 - - - -
He II $\lambda $4686 0.14 0.15 0.18 0.19 - -
[O III] $\lambda $5007 9.93 9.44 2.81 2.74 1.04 1.02
$\mbox{[Fe {\sc ii}]}+\mbox{[Fe {\sc vii}]}~\lambda$5159 0.13 0.12 - - - -
[Fe VI] $\lambda $5176 0.05 0.04 0.14 0.13 0.13 0.12
[N I] $\lambda $5199 0.18 0.15 0.3 0.28 0.31 0.3
He I $\lambda $5875 0.28 0.18 0.58 0.47 - -
[O I] $\lambda $6300 1.62 0.93 2 1.42 0.96 0.83
H$\alpha $ 6.11 3.1 4.45 3.1 3.66 3.1
[N II] $\lambda $6583 6.4 3.25 5.13 3.57 2.36 2
[S II] $\lambda $6716 2.14 1.05 1.56  1.05 1.5 1.26
[S II] $\lambda $6731 2.1 1.03 1.48 0.98 - -
He I $\lambda $7065 0.06 0.03 - - - -
[Ar III] $\lambda $7136 0.49 0.22 - - - -
a Derived from the central region ( $2\hbox{$^{\prime\prime}$ }\times 2\hbox{$^{\prime\prime}$ }$).


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