Table 5: Electron densities and temperatures (in units of cm-3 and K, respectively).
  NGC 2579, A NGC 2579, B NGC 2579, C NGC 2579, ABC ESO 370-9
$N_{\rm e}$ (S II) 699 $\pm$ 219 641 $\pm$ 126 869 $\pm$ 129 745 $\pm$ 114 443 $\pm$ 262
$N_{\rm e}$ (Cl III) <1100 <2900 <1600 <2100  
$T_{{\rm e}}$ (N II) 11 550 $\pm$ 620 9630 $\pm$ 430 11 670 $\pm$ 680 11 030 $\pm$ 520 10 300 $\pm$ 790
$T_{{\rm e}}$ (O III) 9490 $\pm$ 230 9140 $\pm$ 240 8620 $\pm$ 190 8960 $\pm$ 210  

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