Open Access

Fig. 20

image

Effect of Teff on the UV mass-loss diagnostics Si IV λλ1394,1403 and C IV λλ1548,1551. We show the analysis for HD 116852 (O8.5II-III) with . In all panels,our final model is shown in red: = 6.0 × 10−8M yr−1 and Teff = 32 500 K. Top panels: models with the limits on (1.5 × 10−8M yr−1 in green and 2.5 × 10−7M yr−1 in blue): fixed Teff = 32 500 K. Bottom panels: models with limits on Teff (30 000 K in green and 34 500 K in blue): fixed = 6.0 × 10−8M yr−1. We note that the error bars of are conservative enough to account for the effects due to variation in Teff.

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