Table 4.
Estimated semi-major axes (a) and fractional stellar radii (r) for the primaries (columns headed “1”) and secondaries (“2”) in the SB2 sample, that appear to be synchronised.
| VFTS | Mass (a) | ST mass (b) | a (R⊙) | r | RL (R⊙) | fL | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | ||
| 112 | 17 | 14 | 15 | 12 | 18.6 | 0.29 | 0.25 | 7.36 | 6.77 | 0.73 | 0.68 |
| 199 | 4 | 4 | 7 | 7 | 11.7 | 0.29 | 0.26 | 4.47 | 4.37 | 0.75 | 0.71 |
| 206 | 12 | 11 | 46.1 | 0.27 | 17.40 | 0.72 | |||||
| 240 | 4 | 4 | 12 | 10.6 | 0.50 | 3.66 | 1.45 | ||||
| 248 | 10 | 8 | 10 | 20.1 | 0.23 | 6.74 | 0.69 | ||||
| 255 | 10 | 10 | 7 | 7 | 22.7 | 0.17 | 0.16 | 8.46 | 8.34 | 0.46 | 0.44 |
| 383 | 17 | 12 | 15 | 24.2 | 0.31 | 9.32 | 0.79 | ||||
| 520 | 5 | 3 | 12 | 10 | 17.9 | 0.28 | 6.40 | 0.78 | |||
| 589 | 7 | 4 | 15 | 12 | 38.3 | 0.19 | 0.15 | 11.19 | 10.10 | 0.65 | 0.57 |
| 637 | 8 | 7 | 10 | 14.7 | 0.29 | 5.57 | 0.77 | ||||
| 686 | 5 | 3 | 55.0 | 0.23 | 15.53 | 0.82 | |||||
| 752 | 8 | 8 | 10 | 19 | 13.3 | 0.26 | 0.22 | 5.14 | 4.91 | 0.67 | 0.59 |
| 883 | 11 | 8 | 15 | 4 | 25.6 | 0.21 | 6.64 | 0.81 | |||
Notes. Also listed are estimated Roche radii (RL) and the ratios to the stellar radii to their Roche lobs radii (fL). Primary and secondary masses derived as follows:
from orbital solution of Villaseñor et al. (2021),
from Pecaut & Mamajek (2013).
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