**Table 4:** Objects excluded from the HEB/LEB sample.
Object	F( $\ensuremath {{{\rm H}\beta }}$ )	[ O III] 4959+5007	$\ensuremath{{{\rm H}\alpha}}$	c( $\ensuremath {{{\rm H}\beta }}$ )	[ O III]/ $\ensuremath {{{\rm H}\beta }}$	I( $\ensuremath {{{\rm H}\beta }}$ )	L( $\ensuremath {{{\rm H}\beta }}$ )	Radius	Notes
	10^-16	10^-16	10^-16	10^-16		10^-16	10²⁶	pc
	$\ensuremath{~{\rm W}^{}~}$ / $\ensuremath{~{\rm m}^{2}~}$	$\ensuremath{~{\rm W}^{}~}$ / $\ensuremath{~{\rm m}^{2}~}$	$\ensuremath{~{\rm W}^{}~}$ / $\ensuremath{~{\rm m}^{2}~}$	$\ensuremath{~{\rm W}^{}~}$ / $\ensuremath{~{\rm m}^{2}~}$		$\ensuremath{~{\rm W}^{}~}$ / $\ensuremath{~{\rm m}^{2}~}$	$\ensuremath{~{\rm W}^{}~}$
Planetary Nebula, LMC:
N 66	3.5	40.2	11.4	11.37	0.17	5.2	157	0.3	(a) (b)
Symbiotic star, SMC:
N 73	0.7	0.1	7.2	0.20	1.89	51.5	2615	0.3	(c)
Planetary Nebulae, SMC:
N 1	2.5	9.1	9.8	3.64	0.45	7.1	361	0.3	(d)
N 9	18.0	69.3	51.6	3.84	0.00	18.1	917	0.7	(e)
N 29	0.3	1.8	1.3	6.29	0.60	1.2	60	0.3	(d)
N 47	3.9	16.3	12.4	4.18	0.15	5.5	280	0.3	(d)
N 61	10.0	22.4	35.7	2.25	0.31	20.6	1047	0.5	(f)
N 70	2.9	18.1	11.7	6.24	0.50	9.1	462	0.2	(d)

(a) Peña et al. (2004); (b) Morgan (1984b); (c) Walker (1983); (d) Sanduleak et al. (1978);
(e) Meyssonnier & Azzopardi (1993); (f) Jacoby & De Marco (2002).

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