The Wolf-Rayet stars in the Large Magellanic Cloud - A comprehensive analysis of the WN class

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Table 1

Chemical composition (mass fractions in percent).

	Sun^a	Gal.	LMC

		WN^b	B stars^c	B stars^d	H ii^e	WN^f

C	0.237	0.01	0.054	0.086	0.058	0.0067
N	0.069	1.5	0.0083	0.011	0.0087	0.40
O	0.573	–	0.27	0.30	0.281	–
ΣCNO	0.88	1.5	0.33	0.40	0.35	0.41
Fe	0.129	0.14^g	0.07^h	–	–	.07^g

Notes.

^(a)

Asplund et al. (2009);

^(b)

as used in HGL06;

^(c)

Hunter et al. (2007);

^(d)

Korn et al. (2005);

^(e)

H ii regions (Kurt & Dufour 1998);

^(f)

as adopted in this work;

^(g)

including the whole iron group;

^(h)

mean value from Trundle et al. (2007).

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