Table 4
Stars with uncertain stellar parameters that are excluded from the discussion.
| Star | Spectral type | src. | log L⋆/L⊙ | Teff | T ⋆ | log (Ṁ/ |
ν∞ ‡ | ν∞ ▴ | Y † | n★ | log Q0 | M⋆/M ⊙ ◆ | Γe ◆ | νsini | src. | M V | R V | E(B − V) | E(V − Ks) |
| VFTS | [kK] | [kK] | [M⊙ yr-1] | [km s-1] | [km s-1] | [ph s-1] | [km s-1] | [mag] | |||||||||||
|
|
|||||||||||||||||||
| 063 | O5 III(n)(fc)+ sec | 1 | 5.76 | 42.2 | 42.3 | –5.7 | – | 2910 | 0.25 | ne | 49.49 | 65 | 0.24 | – | – | –5.7 | 4.56 | 0.321 | 1.27 |
| 094 | O3.5 Inf*p + sec | 1 | 5.98 | 42.2 | 42.3 | –5.0 | – | 2690 | 0.325 | e | 49.71 | 79 | 0.31 | – | – | –6.3 | 4.39 | 0.43 | 1.641 |
| 145 | O8fp | 1 | 5.87 | 39.8 | 39.9 | –5.3 | – | 2470 | 0.4 | e | 49.55 | 65 | 0.28 | 93 | i | –6.2 | 3.92 | 0.511 | 1.748 |
| 147 | WN6(h) | 2 | 5.83 | 39.8 | 42.5 | –4.5 | 1100 | 2030 | 0.7 | e | 49.61 | 43 | 0.31 | < 200 | iii | – | – | – | – |
| 151 | O6.5 II(f)p | 1 | 6.03 | 42.2 | 42.3 | –5.4 | – | 2550 | 0.4 | e | 49.77 | 79 | 0.33 | 89 | i | –6.4 | 2.09 | 0.423 | 0.802 |
| 208 | O6(n)fp | 1 | 5.64 | 37.6 | 37.7 | –5.3 | – | 2530 | 0.325 | e | 49.25 | 53 | 0.21 | 271 | i | –5.8 | 3.02 | 0.649 | 1.731 |
| 402 | WN7(h) + OB | 2 | 5.92 | 39.8 | 46.4 | –3.6 | 1800 | 1770 | 0.85 | e | 49.69 | 40 | 0.37 | < 200 | iii | –6.7 | 0.85 | 0.575 | 0.495 |
| 406 | O6 Vnn | 1 | 5.48 | 37.6 | 37.7 | –5.4 | – | 2600 | 0.325 | e | 49.09 | 44 | 0.18 | 356 | i | –5.4 | 3.67 | 0.329 | 1.058 |
| 440 | O6-6.5 II(f) | 1 | 5.88 | 39.8 | 39.9 | –5.4 | – | 2690 | 0.25 | e | 49.56 | 76 | 0.27 | 94 | i | –6.2 | 4.06 | 0.34 | 1.205 |
| 445 | O3-4 V:((fc)): + O4-7 V:((fc)): | 1 | 5.78 | 44.7 | 44.9 | –5.8 | – | 3070 | 0.25 | ne | 49.56 | 67 | 0.24 | – | – | –5.6 | 4.39 | 0.422 | 1.607 |
| 468 | O2 V((f*)) + OB | 1 | 6.0 | 44.7 | 44.9 | –5.5 | – | 2960 | 0.25 | e | 49.79 | 89 | 0.31 | 80 | ii | –6.1 | 6.22 | 0.361 | 1.928 |
| 509 | WN5(h) + early O | 2 | 6.43 | 42.2 | 42.3 | –4.1 | 2200 | 1840 | 0.775 | e | 50.17 | 94 | 0.54 | < 200 | iii | –7.4 | 5.37 | 0.295 | 1.364 |
| 527 | O6.5 Iafc + O6 Iaf | 1 | 6.29 | 34.0 | 34.9 | –5.5 | 1200 | – | 0.25 | e | 49.99 | – | – | – | – | –7.6 | 2.96 | 0.359 | 1.293 |
| 538 | ON9 Ia: + O7.5: I:(f): | 1 | 5.64 | 37.6 | 37.7 | –5.5 | – | 2640 | 0.25 | e | 49.24 | 57 | 0.21 | – | – | –5.8 | 4.49 | 0.289 | 1.124 |
| 562 | O4V | 9 | 6.05 | 42.2 | 42.3 | –5.3 | – | 2780 | ≧ 0.25 | e | 49.79 | 94 | 0.32 | – | – | –6.4 | 3.91 | 0.411 | 1.401 |
| 1014 | O3 V + mid/late O | 5, 6 | 6.22 | 44.7 | 44.9 | –5.5 | – | 2870 | ≧ 0.25 | ne | 50.00 | 119 | 0.38 | – | – | –6.7 | 6.52 | 0.366 | 2.044 |
| 1026 | O3 III(f*) + mid/late O | 5, 6 | 5.83 | 42.2 | 42.3 | –5.5 | – | 2880 | 0.25 | e | 49.57 | 71 | 0.25 | – | – | –5.9 | 4.74 | 0.403 | 1.653 |
| 1028 | O3 III(f*) or O4-5V | 5, 6, 10 | 6.09 | 47.3 | 47.7 | –5.7 | – | 3100 | 0.25 | e | 49.91 | 99 | 0.33 | – | – | –6.2 | 4.54 | 0.336 | 1.322 |
Notes. Sources: (1)Walborn et al. (2014); (2)Evans et al. (2011); (3)Crowther & Smith (1997); (4)Crowther & Walborn (2011); (5)Massey & Hunter (1998); (6)Hénault-Brunet et al. (2012); (7)Crowther & Dessart (1998); (8)Foellmi et al. (2003); (9)Melnick (1985); (10)Walborn & Blades (1997). Sources for νsini: (i) Ramírez-Agudelo et al. (2013); (ii) Sabín-Sanjulián et al. (2014); (iii) conservative upper limits from this work.
calculated ν∞ using Lamers et al. (1995) with Eq. (6), nitrogen abundance: n for normal, ne for between normal and enhanced, and e for enhanced;
using the mass-luminosity relation chemical homogeneity by Gräfener et al. (2011).
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