Table 1: Parameters of the double Gaussian fit executed on the $\rm H\alpha$ , [OIII] 5007, and [NII] 6583 emission lines. The flux of the components F is given in 10^-16 erg/s/cm², position with respect to the nominal center wavelength v and $\sigma$ are given in km s^-1.
Name Line F₁ v₁ $\sigma_1$ F₂ v₂ $\sigma_2$

5253-1 $\rm H\alpha$ 96.9 4.3 22.0 38.3 -34.6 18.5

[OIII] 90.6 3.3 22.3 23.6 -37.9 15.1

[NII] 8.0 6.3 19.7 3.0 -33.0 15.5

5253-5 $\rm H\alpha$ 997.1 0.6 19.2 968.8 -10.9 49.9

[OIII] 1496.8 0.7 16.2 1635.5 -8.7 48.6

[NII] 43.5 2.3 14.2 93.1 -8.6 38.1

He 2-10 $\rm H\alpha$ 30.2 1.43 34.2 33.7 -19.0 93.5

[OIII] 8.4 -1.03 33.9 8.7 -25.9 86.8

[NII] 9.3 0.9 30.9 9.7 -17.7 87.4

**Table 1:** Parameters of the double Gaussian fit executed on the $\rm H\alpha$ , [OIII] 5007, and [NII] 6583 emission lines. The flux of the components F is given in 10^-16 erg/s/cm², position with respect to the nominal center wavelength v and $\sigma$ are given in km s^-1.
Name	Line	F₁	v₁	$\sigma_1$	F₂	v₂	$\sigma_2$
5253-1	$\rm H\alpha$	96.9	4.3	22.0	38.3	-34.6	18.5
	[OIII]	90.6	3.3	22.3	23.6	-37.9	15.1
	[NII]	8.0	6.3	19.7	3.0	-33.0	15.5
5253-5	$\rm H\alpha$	997.1	0.6	19.2	968.8	-10.9	49.9
	[OIII]	1496.8	0.7	16.2	1635.5	-8.7	48.6
	[NII]	43.5	2.3	14.2	93.1	-8.6	38.1
He 2-10	$\rm H\alpha$	30.2	1.43	34.2	33.7	-19.0	93.5
	[OIII]	8.4	-1.03	33.9	8.7	-25.9	86.8
	[NII]	9.3	0.9	30.9	9.7	-17.7	87.4

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