Fig. E.4
The temperature of VFTS 072 (O2 V-III(n)((f*))) is based on the lines N iii λ4634/4640, N iv λ4058, N v λ4604/4620, and on the absence of the He i λ4471 line. Ṁ is based on the line shape of He ii λ4686. Similar to Fig. E.1 the blue wing of He ii λ4686 and the red wing of Hα are not properly reproduced by the model. The star is nitrogen enriched and fast rotating.
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