Table 4
Comparison of the MCMC and K-Stacker solutions within the 68% confidence interval for the orbital parameters of HD 95086 b.
| Orbital parameter | MCMC solutions (2012–2019) | K-Stacker solutions (2016–2019) |
|---|---|---|
| a (au) |  |
51 ± 2 |
| e | <0.18 | 0.12 ± 0.03 |
| i(°) |  |
180 ± 15 |
| Ω(°) |  |
−137 ± 62 (+180) |
| ω(°) |  |
−43 ± 62 (+180) |
| Tp(yr AD) |  |
2100 ± 28 |
| star mass (M⊙) | – | 1.56 |
Notes. The astrometric data used regarding MCMC solutions (middle column) are NaCo (Rameau et al. 2013b) and SPHERE (Chauvin et al. 2018, and this work) spanning from 2012 to 2019. As for K-Stacker solutions (right column), only the SPHERE data acquired with satellite spots (2016–2019) were considered. The orbital parameters are: the semimajor axis (a), the eccentricity (e), the inclination (i), the longitude of ascending node (Ω), the argument of periastron (ω), the time of periastron passage (Tp). If (Ω, ω) is a solution, due to their degeneracy, (Ω + 180°, ω + 180°) will be a solution as well (see text for additional details).
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