Table 7.
Line wing comparison per epoch.
| Epoch | Line | fR/fR + B | fB/fR + B |
 [mas] |
 |
θrot [°] |
|---|---|---|---|---|---|---|
| (1) | (2) | (3) | (4) | (5) | (6) | (7) |
| 2017-03-14 | He I | 0.60 | 0.40 | 0.24 ± 0.02 | 11.2 ± 0.9 | 37.9 ± 2.4 |
| Br γ | 0.52 | 0.48 | 0.25 ± 0.01 | 11.6 ± 0.5 | 39.9 ± 2.1 | |
| 2017-04-27 | He I | 0.60 | 0.40 | 0.29 ± 0.03 | 13.5 ± 1.4 | 45.0 ± 4.0 |
| Br γ | 0.57 | 0.43 | 0.29 ± 0.03 | 13.5 ± 1.4 | 34.7 ± 3.3 | |
| 2018-01-11 | He I | 0.44 | 0.56 | 0.17 ± 0.02 | 7.9 ± 0.9 | 59.0 ± 5.0 |
| Br γ | 0.52 | 0.48 | 0.24 ± 0.03 | 11.2 ± 1.4 | 60.0 ± 5.0 | |
| 2018-02-06 | He I | 0.39 | 0.61 | 0.23 ± 0.01 | 10.7 ± 0.5 | 43.9 ± 2.5 |
| Br γ | 0.34 | 0.66 | 0.23 ± 0.02 | 10.7 ± 0.9 | 59.7 ± 3.2 | |
Notes. Columns (3) and (4): Relative strengths of the red and blue wings of the respective spectral line. Uncertainties are 0.01 for all values in these columns. Columns (5) and (6): radius of line emission centre, averaged from the red and blue wings, given respectively in units of milli-arcseconds, and the primary star’s radius at 3 Myr (see Table 5). Column (7) shows the estimated rotational axis of the primary star. Dates are given in the format YYYY-MM-DD.
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