Table 4
Orbital parameters inferred for HD 206893 B.
| Parameter | Description | Prior | This work (a) | G19 (a) | W21 (a) | This work (b) | M20 (b) | |
|---|---|---|---|---|---|---|---|---|
| a (au) | Semimajor axis | LogUniform(1, 100) |  |
 |
 |
 |
 |
|
| e | Eccentricity | Uniform(0, 1) |  |
 |
 |
 |
 |
|
| i (deg) | Inclination | Sine(0, 180) (a) |  |
 |
 |
– | – | |
 |
– | – | – |  |
 |
|||
| ω (deg) | Argument of per. | Uniform(0, 360) |  |
 |
 |
 |
 |
|
| Ω (deg) | Lon. of asc. node | Uniform(0, 180)(a) |  |
 |
 |
– | – | |
 |
– | – | – |  |
 |
|||
| τ | Time of per. since  |
Uniform(0, 1) |  |
– | – |  |
– | |
| π (mas) | Parallax |  |
 |
 |
 |
 |
 |
|
| Mtot (M⊙) | Total mass |  |
 |
 |
 |
 |
 |
|
| P (yr) | Orbital period | – |  |
 |
 |
 |
 |
Notes. The posterior states the 68% confidence interval around the median.
denotes a normal distribution with mean μ and standard deviation σ. For comparison, the orbital parameters inferred by other works are shown as well. Scenario 1 is constrained by the data only and scenario 2 has an additional constraint on coplanarity with the debris disk. (a) Scenario 1, (b) Scenario 2, (c) Measured in fractions of orbital period with τref = 55800 MJD, (d) Gaia Collaboration (2018), (e) Delorme et al. (2017), G19 = Grandjean et al. (2019), W21 = Ward-Duong et al. (2021), M20 = Marino et al. (2020).
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