... IC 10

Figure 2 is only available in electronic form at http://www.edpsciences.org

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... latter

We adopt $\log({\rm O/H})+12=8.83$ for the Solar abundance (Grevesse & Sauval 1998).

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... here

[MAC92] 15 was not observed with either Gemini or CFHT. Fortunately, the positive WR identification of this star is not in doubt, since Massey & Armandroff (1995) spectroscopically demonstrate that this is a WC6-7 star.

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...1990)

Note that the putative WN star identified by Richer et al. (2001) in HL111c is most likely [MAC92] 24. Richer et al. described a WN star with $W_{\lambda }$(He  II 4686)=3 Å, consistent with Massey & Holmes (2002), and their coordinates agree to within 2 arcsec, comparable to the slit width used in the former.

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... 23

Royer et al. (2001) identified [MAC92] 23 as a strong He  II $\lambda$4686 emission source, but it was excluded from their catalogue on the basis of a very red colour (c1-c2>1 mag), common to many foreground late-type stars.

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