**Table 9:** Electron temperature indicators in NGC 3242.
Ion	Ioniz.	Lines	Observed	$T_{\rm e}$
	Pot. (eV)	used $\dagger$	ratio	(K)
[N II]	14.5	5755/6584	0.0211	11 000
	23.3	6312/18.7	0.0.075	11 800
	27.6	7136/21.8	20.3	10 600
	35.1	4363/5007	0.0106	11 780
	35.1	1663/5007	0.0099	10 800
	35.1	5007/51.8	7.90	11 000
	41.0	3869/15.5	0.89	11 000
	54.9	1400/25.9	0.016	12 000:

: Indicates uncertain value.
$\dagger$ When the wavelength has 4 figures it has the units of Angstrom and 3 figures is micron.

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