Table 5
Best fit results for the models of the local RVs of WASP-52.
| Model(a) | υeq (km s−1) | i* (°)(b) | α | λ (°) | c1 (km s−1) | c2 (km s−1) | σ (km s−1) | BIC |  |
ψ (°) |
|---|---|---|---|---|---|---|---|---|---|---|
| SB | 2.06+0.04(b) | 90 (c) | 0 (b) | 0.64+0.62 | – | – | – | 48.2 | 1.8 | –(b) |
| SB + σ | 2.04+0.05(b) | 90 (c) | 0 (b) |  |
– | – |  |
33.5 | 1.1 | –(b) |
| SB + CLVlin | 2.06+0.04(b) | 90 (c) | 0 (b) | 0.38+0.64 |  |
– | – | 49.2 | 1.8 | –(b) |
| SB + CLVquad | 2.07+0.04(b) | 90 (c) | 0 (b) |  |
 |
 |
– | 51.0 | 1.8 | –(b) |
| DR |  |
 |
 |
 |
– | – | – | 104.6 | 4.4 |  |
| DR (0≤ α ≤1) |  |
 |
 |
0.66 + 0.57 | – | – | – | 52.0 | 1.9 |  |
| DR (−1≤ α ≤0) |  |
 |
 |
 |
– | – | – | 49.4 | 1.8 |  |
| DR (phot. prior) |  |
 |
 |
0.66+0.56 | – | – | – | 50.8 | 1.8 |  |
Notes.(a) Assuming uninformative, uniform priors, unless otherwise indicated. is constrained to 0–180°, and values > 90° indicate the star’s rotation axis is pointing away from the LOS. (c)Fixed under the assumption of rigid body rotation; we note this means the value in the υeq column for this row corresponds to υeq sin i* and that we are unable to determine the 3D obliquity, ψ.
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