On the massive star content of the nearby dwarf irregular Wolf-Rayet galaxy IC 4662

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Table 5:

Comparison between IC 4662 H $\alpha$ fluxes from the literature. Inferred intensities, luminosities and Lyman continuum fluxes, follow from an adopted distance of 2.44 Mpc, and include 3 cm radio continuum derived ionizing flux from Johnson et al. (2003).
	$\theta^{\ast}$	F(H $\alpha$ +[N II])	F[N II]/F(H $\alpha$ )	E(B-V)	I(H $\alpha$ )	$\log L$ (H $\alpha$ )	Q₀
	(arcmin)	(erg s^-1 cm^-2)		(mag)	(erg s^-1 cm^-2)	(erg s^-1)	(10⁴⁹ s^-1)
Kennicutt & Kent (1983)	2	$7.9\times10^{-12}$	0.05	0.00	$7.6\times10^{-12}$	39.73	400
Lonsdale Persson & Helou (1987)	2	$7.9\times10^{-12}$	0.05	0.43	$2.1\times10^{-11}$	40.17	1100
Helmboldt et al. (2004)	2:	$1.4\times10^{-11}$	0.05	0.29:	$2.6\times 10^{-11}$	40.28	1410
Hunter & Elmegreen (2004)	2.2	$1.4\times10^{-11}$	0.00	0.16	$2.1\times10^{-11}$	40.17	1110
Kennicutt et al. (2008)	2	$1.1\times10^{-11}$	0.08	0.07	$1.2\times10^{-11}$	39.92	615
This study	0.2	$5.1\times10^{-12}$	0.03	0.16	$7.2\times10^{-12}$	39.71	380
Johnson et al. (2003)	1:						530

$^{\ast}$ Approximate aperture radii.

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