Table D.3
Spectroscopic parameters for the sample of stars labeled as Q3 (Hα and He iiλ4686ii not fitting at the same time).
| Name | SpT | LC | Notes | Mass-loss | Teff | log g | log Q | Y (He) | ξt |
|---|---|---|---|---|---|---|---|---|---|
| diagnostic | [kK] | [dex] | [dex] | [dex] | [km s−1] | ||||
| HD 10125 | O9.7 | II | SB1 | Both lines | 30.9 ± 0.5 | 3.38 ± 0.06 | −12.7 ± 0.1 | 0.11 ± 0.03 | >16 |
| He iiλ4686 | <30.4 | <3.23 | −13.5 | >0.10 | 11 ± 4 | ||||
| Hα | <30.4 | <3.26 | −13.0 | >0.09 | 13 ± 3 | ||||
| HD 14947 | O4.5 | Iab/I f | LPV,WVe | Both lines | 39.1 ± 1.1 | 3.64 ± 0.11 | −12.0 ± 0.1 | 0.15 ± 0.04 | 5.0–19.9 |
| He iiλ4686 | 39.0 ± 1.0 | 3.64 ± 0.11 | −12.1 | 0.15 ± 0.04 | 5.0–19.9 | ||||
| Hα | 39.5 ± 0.9 | 3.65 ± 0.09 | −11.9 | 0.15 ± 0.03 | <16 | ||||
| HD 47432 | O9.7 | Ib | LPV,WVe | Both lines | 29.1 ± 0.5 | 3.01 ± 0.05 | −12.5 ± 0.1 | 0.10 ± 0.03 | >19 |
| He iiλ4686 | 28.1 ± 0.5 | <2.84 | −13.5 | >0.13 | 10 ± 3 | ||||
| Hα | 29.1 ± 0.5 | 3.01 ± 0.05 | −12.5 | 0.10 ± 0.03 | >19 | ||||
| HD 76968 | O9.2 | Ib | SB1,WVe | Both lines | 30.8 ± 0.5 | 3.28 ± 0.05 | −12.5 ± 0.1 | 0.10 ± 0.03 | 12 ± 6 |
| He iiλ4686 | 31.9 ± 0.5 | >3.43 | −12.7 | <0.09 | >14 | ||||
| Hα | 30.0 ± 0.5 | <3.24 | −12.3 | >0.25 | <10 | ||||
| HD 104565 | O9.7 | Iab/I | MD1 | Both lines | 28.9 ± 0.5 | 3.00 ± 0.05 | −12.2 ± 0.1 | 0.10 ± 0.03 | >14 |
| He iiλ4686 | 29.0 ± 0.5 | <2.98 | −12.7 | 0.12 ± 0.03 | >9 | ||||
| Hα | <29.0 | <3.00 | −12.1 | 0.11 ± 0.03 | >18 | ||||
| HD 105056 | O9.7 | Ia e | LPV,WVe | Both lines | 27.4 ± 0.6 | 2.86 ± 0.08 | −12.0 ± 0.1 | 0.11 ± 0.03 | >16 |
| He iiλ4686 | 28.0 ± 0.5 | 2.71 ± 0.05 | −12.5 | 0.23 ± 0.02 | <8 | ||||
| Hα | 27.2 ± 0.5 | 2.84 ± 0.10 | −11.9 | 0.11 ± 0.03 | >18 | ||||
| HD 123008 | O9.2 | Iab/I | WVe,MD2 | Both lines | 31.7 ± 0.5 | 3.21 ± 0.06 | −12.2 ± 0.1 | 0.19 ± 0.03 | >18 |
| He iiλ4686 | 31.2 ± 0.5 | <3.15 | −12.7 | 0.17 ± 0.03 | >15 | ||||
| Hα | 31.8 ± 0.5 | 3.19 ± 0.05 | −12.1 | 0.20 ± 0.02 | >18 | ||||
| HD 149038 | O9.7 | Iab/I | WVe,MD2 | Both lines | 29.8 ± 0.5 | 3.18 ± 0.05 | −12.6 ± 0.1 | <0.11 | >10 |
| He iiλ4686 | 29.2 ± 0.5 | 3.12 ± 0.05 | −13.0 | 0.10 ± 0.03 | 10 ± 3 | ||||
| Hα | 29.5 ± 0.6 | 3.15 ± 0.08 | −12.5 | 0.10 ± 0.03 | 13 ± 6 | ||||
| HD 151804 | O8 | Ia f | WVa | Both lines | <28.2 | 2.83 ± 0.05 | −11.9 ± 0.1 | 0.10 ± 0.03 | >17 |
| He iiλ4686 | 30.2 ± 0.6 | 2.84 ± 0.05 | −12.3 | >0.26 | <12 | ||||
| Hα | <28.1 | 2.81 ± 0.05 | −11.7 | 0.10 ± 0.03 | >17 | ||||
| HD 152147 | O9.7 | Ib Nwk | SB1 | Both lines | 30.1 ± 0.5 | 3.24 ± 0.10 | −12.6 ± 0.1 | <0.08 | 14 ± 6 |
| He iiλ4686 | 30.0 ± 0.5 | 3.22 ± 0.10 | −13.0 | <0.07 | 10 ± 3 | ||||
| Hα | 30.0 ± 0.5 | 3.20 ± 0.05 | −12.5 | <0.07 | 11 ± 3 | ||||
| HD 154368 | O9.2 | Iab/I | WVe,MD2 | Both lines | 30.4 ± 0.5 | 3.03 ± 0.05 | −12.4 ± 0.1 | 0.14 ± 0.03 | >16 |
| He iiλ4686 | <29.4 | <2.84 | −13.0 | 0.20 ± 0.02 | >18 | ||||
| Hα | 30.3 ± 0.5 | 3.07 ± 0.10 | −12.5 | 0.14 ± 0.03 | >18 | ||||
| HD 154811 | O9.7 | Ib | LPV,WVe | Both lines | 29.8 ± 0.5 | 3.18 ± 0.05 | −12.7 ± 0.1 | 0.09 ± 0.03 | 14 ± 5 |
| He iiλ4686 | <29.3 | <3.07 | −13.5 | 0.10 ± 0.03 | <12 | ||||
| Hα | 29.7 ± 0.5 | 3.18 ± 0.05 | −12.7 | 0.09 ± 0.03 | 14 ± 5 | ||||
| HD 163758 | O6.5 | Ia fp | LPV,WVe | Both lines | 34.6 ± 0.6 | 3.28 ± 0.08 | −12.3 ± 0.1 | 0.20 ± 0.03 | >15 |
| He iiλ4686 | 34.8 ± 0.5 | 3.29 ± 0.05 | −12.1 | 0.16 ± 0.03 | >15 | ||||
| Hα | 35.4 ± 0.6 | 3.31 ± 0.05 | −11.9 | >0.20 | >18 | ||||
| HD 168076 AB | O4 | III (f) | LPV | Both lines | 43.0 ± 1.8 | 3.92 ± 0.16 | −12.5 ± 0.2 | <0.09 | 5.0–19.9 |
| He iiλ4686 | 42.7 ± 1.2 | 3.86 ± 0.10 | −12.7 | <0.09 | 5.0–19.9 | ||||
| Hα | 46.2 ± 1.7 | 3.98 ± 0.08 | −11.9 | 0.14 ± 0.04 | 5.0–19.9 | ||||
| HD 188001 | O7.5 | Iab/I f | SB1,WVe | Both lines | 32.4 ± 0.5 | 3.19 ± 0.09 | −12.2 ± 0.1 | 0.18 ± 0.03 | >14 |
| He iiλ4686 | 34.0 ± 0.5 | 3.42 ± 0.07 | −12.5 | 0.11 ± 0.03 | >14 | ||||
| Hα | 32.4 ± 0.6 | 3.23 ± 0.07 | −12.1 | 0.11 ± 0.03 | >16 | ||||
| HD 188209 | O9.5 | Iab/I | LPV,WVe | Both lines | 30.1 ± 0.5 | 3.03 ± 0.10 | −12.5 ± 0.1 | 0.14 ± 0.03 | >19 |
| He iiλ4686 | 29.1 ± 0.5 | <2.85 | −13.5 | 0.21 ± 0.02 | >13 | ||||
| Hα | 30.1 ± 0.5 | 3.03 ± 0.10 | −12.5 | 0.14 ± 0.03 | >19 | ||||
| HD 202124 | O9 | Iab/I | WVe | Both lines | 31.1 ± 0.5 | 3.20 ± 0.06 | −12.4 ± 0.1 | 0.11 ± 0.03 | >18 |
| He iiλ4686 | 29.0 ± 0.5 | 2.80 ± 0.05 | −13.0 | 0.20 ± 0.02 | 15 ± 3 | ||||
| Hα | 30.2 ± 0.5 | 3.02 ± 0.05 | −12.1 | 0.15 ± 0.03 | >19 |
Notes. For each star we include three lines. The first one refers to the parameters obtained from the conventional analysis, i.e., fitting all diagnostic H/He lines. The other two lines are the parameters obtained by forcing to fit either Hα or He IIλ4686, respectively, and still fitting the other diagnostic lines at the same time. Columns include: name, spectral type and luminosity classification, multi-epoch annotation, line forced in the fitting, effective temperature, gravity, wind strength parameter (without uncertainties for the forced cases), helium abundance, and microturbulence.
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