Table 2.
Purely astrometric orbital solutions.
| Parameter | Circular | Eccentric |
|---|---|---|
| P [d] | 40.305 ± 0.012 | 40.329 ± 0.011 |
| T0 [RJD] | 60073.36 ± 0.33 | 60076.41 ± 0.97 |
| e | 0.0 | 0.0306 ± 0.0071 |
| a″ [mas] | 1.290 ± 0.019 | 1.288 ± 0.015 |
| i [°] | 38.8 ± 1.4 | 39.5 ± 1.0 |
| Ω [°] | 23.6 ± 3.1 | 23.1 ± 2.1 |
| ωpre-sd [°] | 90 | 117.6 ± 8.9 |
| rms residual [μas] | 25 | 19 |
Notes. P is the orbital period, T0 is the epoch of periastron or the epoch of the superior conjunction, e is the eccentricity, a″ is the angular semimajor axis of the orbit, i is the orbital inclination, Ω is the longitude of the ascending node, ω is the longitude of the periastron (fixed at 90° for circular orbits).
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