Table 4.
Orbital parameters.
| Parameter | Value |
|---|---|
| Period P | 0.1433707 ± 0.0000005 d |
| Epoch of periastron Tperiastron | 2 455 705.89 ± 0.15 HJD |
| Eccentricity e |
 |
| Longitude of periastron ω | 350 ± 180 deg |
| Velocity semi-amplitude K1 | 37.6 ± 2.0 km s−1 |
| Systemic velocity γ | −348.3 ± 1.4 km s−1(a) |
| Derived parameter | Value |
| Mass function f | (7.8 ± 1.3)×10−4 M⊙ |
| Projected semimajor axis a1sin(i) | 0.106 ± 0.006 R⊙ |
| Pericenter distance: (1 − e) a1sin(io) | 0.102 ± 0.008 R⊙ |
| Apocenter distance: (1 + e) a1sin(io) | 0.111 ± 0.011 R⊙ |
Notes. The given uncertainties are single-parameter 1σ confidence intervals based on χ2 statistics around the best fit with a reduced χ2 of 1.05. Except for P, the parameter values of the local minima in the periodogram (see Fig. 3) are also covered by the given uncertainties. The quantities Tperiastron and ω become degenerate for low-eccentricity orbits, which is why they are basically unconstrained here.
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