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Table 2
Fit parameters, expressing our predicted mass-loss rates for winds driven by carbon, oxygen and nitrogen lines, in terms of the mass-loss rates ṀV as predicted by Vink et al. (2001): 
.
| Fit parameters | ||
| Z CNO | log a | α |
|
|
||
| 0.04 | –2.51 ± 0.31 | 0.745 ± 0.062 |
| 0.02 | –2.60 ± 0.49 | 0.694 ± 0.095 |
| 0.002 | –2.33 ± 0.43 | 0.660 ± 0.070 |
Notes. The coefficients are almost independent of Z, and can be summarized according to Eq. (2).
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