Table 6.
Parameters of the outer orbit.
| Parameter | Value | |
|---|---|---|
| orbfit-lib | spinOS | |
| P (d) | 1603.24 ± 0.19 | 1603.54 ± 0.25 |
| t0 (RJD) | 57300.02 ± 0.57 | 57299.9 ± 1.2 |
| e | 0.5291 ± 0.0011 | 0.5261 ± 0.0014 |
| a (mas) | 12.427 ± 0.016 | 12.368 ± 0.067 |
| i (°) | 78.216 ± 0.030 | 78.171 ± 0.042 |
| ω (°) | 300.43 ± 0.08 | 300.59 ± 0.17 |
| Ω (°) | 256.87 ± 0.07 | 256.834 ± 0.056 |
| K1 + 2 (km s−1) | 24.37 ± 0.10 | 24.26 ± 0.35 |
| K3 (km s−1) | 54.42 ± 0.08 | 54.24 ± 0.18 |
| vγ (km s−1) | 3.03 ± 0.04 | 3.15 ± 0.31 |
| Mtot (M⊙) | 53.04 ± 0.29 | 52.72 ± 0.81 |
| a (au) | 10.065 ± 0.018 | 10.054 ± 0.051 |
| M1 + 2 (M⊙) | 36.63 ± 0.18 | 36.43 ± 0.58 |
| M3 (M⊙) | 16.41 ± 0.12 | 16.29 ± 0.35 |
| q | 0.4479 ± 0.0019 | 0.4473 ± 0.0066 |
| d (pc) | 809.9 ± 1.8 | 812.9 ± 1.6 |
Notes. P is the sidereal orbital period, t0 is the epoch of periastron passage, e is the eccentricity, α is the angular size of the semi-major axis, i is the inclination of the orbit, ω is the argument of periastron, Ω is the longitude of the ascending node, K1 + 2 is the RV curve amplitude of the inner binary’s centre of mass, K3 is the RV curve amplitude of the tertiary, vγ is the systemic velocity, Mtot is the total mass of the whole system, a is the semi-major axis, M1 + 2 is the total mass of the inner eclipsing binary, M3 is the mass of the tertiary, q = M3/M1 + 2 is the mass ratio, and d is the distance to the system.
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