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Table 4

Coefficient for the WLR derived by different authors.

Reference X D0 αeff sample used
Kudritzki et al. (1999) 1.34 ± 0.25 21.24 ± 1.38 E
Kudritzki et al. (1999) 1.95 ± 0.2 17.07 ± 1.05 M
Vink (2000) 1.826 ± 0.044 18.68 ± 0.26 Teff > 22.5 kK from theory
Vink (2000) 1.914 ± 0.043 18.52 ± 0.23 Teff < 27.5 kK from theory
Herrero et al. (2002) 2.18 ± 0.21 16.81 ± 1.16 0.46 ± 0.04 mostly OSGs
Mokiem et al. (2007) 1.84 ± 0.17 18.87 ± 0.98 0.54 ± 0.05 mostly OSGs
Searle et al. (2008) 1.59± 19.86 ± 0.78 0.63 ± 0.06 E & M
This work 1.96 ± 0.28 17.98 ± 1.43 0.51 ± 0.07 E
This work 1.43 ± 0.42 19.94 ± 2.23 0.70 ± 0.21 M & L

Notes. E, M, and Lrefer to early-, mid-, and late-type B supergiants.

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