Table 1: RISN line shapes and characteristics.
Source O stars $M_{\rm tot}$ Radius FWHM FWZI

$10^6 ~M_{\odot}$ pc (km s^-1) (km s^-1)

NGC 5253 1200 1.0 $0.7\times0.9$ 76 no broad component

II Zw 40 600 0.1 0.5 103 270

He 2-10 1 1900 1.3 0.4-1 57-78 220-330

He 2-10 2 1100 0.7 0.4-1 57-78 22-330

He 2-10 4N 2300 1.5 0.4-1 57-78 220-330

He 2-10 4S 2400 1.7 0.4-1 57-78 220-330

He 2-10 5 1200 0.8 0.4-1 57-78 220-330

M 83 530 0.2 - 78 no broad component

**Table 1:** RISN line shapes and characteristics.
Source	O stars	$M_{\rm tot}$	Radius	FWHM	FWZI
		$10^6 ~M_{\odot}$	pc	(km s^-1)	(km s^-1)
NGC 5253	1200	1.0	$0.7\times0.9$	76	no broad component
II Zw 40	600	0.1	0.5	103	270
He 2-10 1	1900	1.3	0.4-1	57-78	220-330
He 2-10 2	1100	0.7	0.4-1	57-78	22-330
He 2-10 4N	2300	1.5	0.4-1	57-78	220-330
He 2-10 4S	2400	1.7	0.4-1	57-78	220-330
He 2-10 5	1200	0.8	0.4-1	57-78	220-330
M 83	530	0.2	-	78	no broad component

Source LaTeX | All tables | In the text