Fig. 3
Positions of observed WN and WC stars in the HRD as given by Hamann et al. (2006) and Sander et al. (2012), respectively. The empty circles are WNL stars, and the full triangles are WNE. The WC stars are represented by pentagons, filled when the distance is known and empty when it is unknown. The present rotating tracks are superposed.
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