Table 4
Adopted estimates for the projected rotational velocity (vesini, with FT estimates in brackets for relatively low S/N cases), atmospheric parameters and nitrogen abundances.
| Star | Spectral type | v r | vesini | T eff | log g | v t | Mg | N estimates | log L/L⊙ | |
| km s-1 | km s-1 | K | cm s-2 | km s-1 | λ3995 | All lines | ||||
|
|
||||||||||
| 003 | B1 Ia+ | 265 | 48 | 21 000 | 2.50 | 13 | 7.03 | 8.05 | 7.98 ± 0.10 (6) | 4.18 |
| 028 | B0.7 Ia Nwk | 274 | 50 | 24 000 | 2.75 | 14 | 7.00 | 7.28 | 7.32 ± 0.06 (6) | 4.16 |
| 060 | B1.5 II-Ib((n)) | 284 | 129 | 19 500 | 2.65 | 14 | 7.20 | ≤6.9 | – | 3.90 |
| 069 | B0.7 Ib-Iab | 281 | 46 | 23 500 | 2.75 | 15 | 7.08 | 7.96 | 7.93 ± 0.10 (7) | 4.13 |
| 082 | B0.5 Ib-Iab | 283 | 49 | 25 500 | 3.00 | 13 | 7.15 | 7.92 | 7.89 ± 0.10 (7) | 4.02 |
| 087 | O9.7 Ib-II | 275 | 60 | 29 000 | 3.25 | 12 | 7.07 | 7.29 | – | 3.99 |
| 165 | O9.7 Iab | 204 | 65 | 27 000 | 3.00 | 14 | – | 7.83 | 7.86 ± 0.12 (5) | 4.12 |
| 178 | O9.7 Iab | 288 | 55 | 26 500 | 3.00 | 9 | 7.02 | 7.37 | 7.49 ± 0.16 (5) | 4.09 |
| 232 | B3 Ia | 289 | 42 (8) | 15 500 | 2.30 | 8 | 6.90 | 7.67 | 7.61 ± 0.17 (8) | 3.85 |
| 261 | B5 Ia | 285 | 39 | 14 000 | 2.15 | 11 | 7.00 | 7.57 | 7.58 ± 0.16 (7) | 3.83 |
| 269 | B8 Ia | 267 | 26 | 12 000 | 1.90 | 12 | 6.69 | 7.56 | 7.75 ± 0.16 (4) | 3.81 |
| 270 | B3 Ib | 265 | 36 | 17 500 | 2.90 | 1 | 7.00 | 7.53 | 7.57 ± 0.17 (7) | 3.47 |
| 293 | B2 III-II(n)e | 260 | 125 | 20 000 | 3.00 | 0 | 6.89 | ≤6.9 | – | 3.60 |
| 302 | B1.5 Ib | 265 | 34 | 20 500 | 2.90 | 15 | 6.97 | 7.61 | 7.69 ± 0.08 (7) | 3.74 |
| 307 | B1 II-Ib | 273 | 32 | 22 000 | 2.80 | 7 | 6.92 | 8.14 | 7.90 ± 0.19 (8) | 3.96 |
| 315 | B1 Ib | 262 | 31 | 23 000 | 3.15 | 11 | 7.16 | 7.37 | 7.39 ± 0.15 (7) | 3.69 |
| 417 | B2 Ib | 261 | 52 | 18 500 | 2.55 | 10 | 7.09 | 7.49 | 7.53 ± 0.12 (7) | 3.91 |
| 431 | B1.5 Ia Nstr | 270 | 41 | 19 000 | 2.35 | 18 | 7.02 | 7.99 | 7.98 ± 0.10 (7) | 4.16 |
| 458 | B5 Ia+p | 276 | 33 | 13 000 | 1.60 | 16 | 7.05 | 8.01 | 8.06 ± 0.16 (7) | 4.25 |
| 533 | B1.5 Ia+p Nwk | 255 | 57 | 18 000 | 2.10 | 14 | 7.08 | 7.42 | 7.39 ± 0.04 (6) | 4.31 |
| 578 | B1.5 Ia Nwk | 275 | 37 | 21 500 | 2.75 | 11 | 7.13 | 6.96 | 7.07 ± 0.14 (5) | 3.97 |
| 590 | B0.7 Iab | 254 | 60 | 24 000 | 2.80 | 14 | 7.00 | 8.00 | 7.89 ± 0.13 (7) | 4.11 |
| 591 | B0.2 Ia | 287 | 48 | 25 000 | 2.80 | 14 | 6.96 | 7.38 | 7.45 ± 0.17 (3) | 4.18 |
| 672 | B0.7 II Nwk? | 280 | 54 | 25 000 | 3.00 | 10 | 7.04 | 6.85 | – | 3.98 |
| 696 | B0.7 Ib-Iab Nwk | 266 | 53 | 23 500 | 2.75 | 11 | 7.03 | 7.19 | 7.25 ± 0.17 (5) | 4.13 |
| 714 | B1 Ia: Nwk | 283 | 38 (2) | 23 500 | 3.00 | 11 | 7.17 | 7.18 | 7.16 ± 0.14 (4) | 3.88 |
| 732 | B1.5 Iap Nwk | 267 | 45 | 20 000 | 2.50 | 12 | 7.00 | 6.91 | 6.96 ± 0.08 (4) | 4.10 |
| 745 | B2.5 II-Ib | 276 | 33 | 18 000 | 2.80 | 3 | 6.76 | ≤7.2 | – | 3.61 |
| 826 | B1 IIn | 242 | 222 | 23 500 | 3.25 | 7 | 7.22 | 6.80 | – | 3.63 |
| 831 | B5 Ia | 210 | 41 | 14 000 | 2.10 | 21 | 6.89 | 7.94 | 8.02 ± 0.16 (7) | 3.88 |
| 841 | B2.5 Ia | 258 | 63 (28) | 17 500 | 2.40 | 20 | 7.03 | 7.80 | 7.79 ± 0.15 (6) | 3.97 |
| 845 | B1 II | 259 | <25 (14) | 23 500 | 3.25 | 7 | 6.96 | 7.50 | 7.54 ± 0.12 (7) | 3.63 |
| 855 | B3 Ib | 248 | <20 (3) | 17 000 | 2.75 | 4 | 6.97 | 7.73 | 7.71 ± 0.20 (7) | 3.56 |
| 867 | B1 Ib Nwk | 276 | 32 | 24 500 | 3.15 | 11 | 7.07 | 6.93 | 7.16 ± 0.20 (5) | 3.80 |
|
|
||||||||||
| 027 | B1 III-II | 343 | 912 | 20 500 | 3.10 | 18 | 6.94 | 6.86 | 6.81 ± 0.07 (2) | 3.54 |
| 045 | O9.7 Ib-II Nwk | 233 | 69 | 29 000 | 3.25 | 15 | – | ≤7.8 | – | 3.99 |
| 291 | B5 II-Ib | 202 | ≤20 | 13 500 | 2.35 | 6 | 6.58 | 7.92 | – | 3.56 |
| 420 | B0.5 Ia Nwk | 273 | 73 | 26 500 | 3.00 | 30 | 6.90 | ≤7.3 | – | 4.09 |
| 423 | B1 Ia: Nwk | 278 | 42 | 20 500 | 2.50 | 15 | 7.12 | 7.04 | 7.15 ± 0.09 (6) | 4.14 |
| 430 | B0.5 Ia+((n)) Nwk | 208 | 98 | 24 500 | 2.65 | 11 | 7.47 | ≤7.7 | – | 4.30 |
| 450 | O9.7 III: + O7:: | 2491 | 123 | 27 000 | 3.00 | 0 | 6.94 | 7.49 | 7.50 ± 0.01 (2) | 4.12 |
| 525 | B0 Ia | 293 | 78 | 27 000 | 3.00 | 18 | 6.93 | ≤7.3 | – | 4.12 |
| 541 | B0.5 Ia Nwk | 270 | 47 | 25 000 | 2.90 | 15 | 6.93 | ≤7.1 | – | 4.08 |
| 576 | B1 Ia Nwk | 286 | 52 | 20 000 | 2.50 | 14 | 7.04 | ≤7.1 | – | 4.10 |
| 652 | B2 Ip + O9 III: | 2551 | 72 | 21 000 | 2.50 | 6 | 6.85 | 8.09 | 8.29 ± 0.24 (7) | 4.18 |
| 675 | B1 Iab Nwk | 266 | 56 | 22 500 | 2.75 | 12 | 7.08 | 6.93 | 7.10 ± 0.18 (4) | 4.05 |
| 687 | B1.5 Ib((n)) Nwk | 314 | 123 | 20 000 | 2.65 | 18 | 7.00 | 6.94 | 7.08 ± 0.15 (4) | 3.95 |
| 733 | O9.7p | 278 | 51 | 29 500 | 3.25 | 5 | 7.05 | 8.29 | 8.27 ± 0.18 (6) | 4.02 |
| 764 | O9.7 Ia Nstr | 261 | 58 | 27 500 | 3.00 | 18 | 7.04 | 7.81 | 7.79 ± 0.23 (3) | 4.15 |
| 779 | B1 II-Ib | 248 | 47 | 23 500 | 3.20 | 10 | 7.07 | 7.39 | 7.45 ± 0.13 (6) | 3.68 |
| 827 | B1.5 Ib | 243 | 52 | 21 000 | 3.10 | 9 | 7.07 | 7.10 | 7.14 ± 0.06 (2) | 3.58 |
| 829 | B1.5-2 II | 261 | 138 | 20 500 | 2.90 | 13 | 7.04 | ≤7.1 | – | 3.74 |
Notes. For convenience the spectral types are repeated from Table 1, whilst mean radial velocities (vr) are taken from Evans et al. (2015) and Sana et al. (2013). The single stars are listed first, followed by the binaries. Abundances are presented on the scale log (X/H) + 12. log L/L⊙ is proportional to the Eddington factor, where 
and has a maximum value of 4.6 dex (corresponding to the Eddington limit) for a normal helium to hydrogen ratio (Langer & Kudritzki 2014).
Taken from Dufton et al. (2013).
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