Open Access

Fig. 18


Same as left panel in Fig. 11, but only for stars with Q3 quality flag. Size depends on the log Q obtained in the automatic analysis. Open (filled) points are stars for which the value of log Q when fitting only the Hα line is larger (smaller) than when fitting He IIλ4686. The horizontal line at Teff = 37 kK indicates the boundary of the region where clumping in the wind is expected to affect the two wind diagnostic lines differently (see text).

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