Open Access
Table 1.
Best-fit parameters of HD 31221 b with the two considered cases: Ag left as a completely free parameter and with a 𝒩(0.5, 0.1) Gaussian prior applied to it. The uncertainties correspond to 1σ.
| Parameter | Searchbox | Value | Value |
|---|---|---|---|
| free Ag | Ag with prior | ||
| a/RS | [5.0, 10.0] | 8.59 ± 0.25 | 8.58 ± 0.24 |
| RP/RS | [0.0, 0.2] | 0.0863 ± 0.0027 | 0.0862 ± 0.0027 |
| b | [0.0, 1.0] | 0.770 ± 0.019 | 0.770 ± 0.018 |
| P [days] | [4.63, 4.69] | 4.66631 ± 0.00011 | 4.66632 ± 0.00010 |
| tC [BTJD] | [2476.52, 2476.54] | 2476.5375 ± 0.0014 | 2476.5373 ± 0.0014 |
| u+ | [−1.0, 2.0] | 0.80 ± 0.16 | 0.80 ± 0.16 |
| u− | [−1.5, 1.5] | −0.44 ± 1.02 | −0.49 ± 0.97 |
| σr [100 ppm] | [0.0, 10000.0] | 665.00 ± 2.94 | 664.90 ± 2.76 |
| σw [100 ppm] | [0.0, 6000.0] | 3.036 ± 0.019 | 3.036 ± 0.018 |
| I⋆ [°] | [0.0, 180.0] | 55.9 ± 11.3 | 55.9 ± 11.1 |
| Ω⋆ [°] | [−180.0, 180.0] | −31.6 ± 14.4 | −30.9 ± 14.6 |
| Ag | [0.0, 2.0] | 1.58 ± 0.50 | 0.53 ± 0.12 |
| f | [0.0, 1.0] | 0.0026 ± 0.0035 | 0.0035 ± 0.0044 |
| ε [°] | [−180.0, 180.0] | 52.6 ± 41.2 | 48.5 ± 57.6 |
| K [m s−1] | [0.0, 6000.0] | 1233 ± 1242 | 1463 ± 1320 |
| qell | [0.0, 0.2] | 0.0076 ± 0.0068 | 0.0086 ± 0.0073 |
| h | [−0.5, 0.5] | −0.00031 ± 0.00018 | −0.00028 ± 0.00017 |
| Derived parameters | |||
| MS [M⊙] | 1.447 ± 0.028 | 1.449 ± 0.028 | |
| RS [R⊙] | 1.550 ± 0.060 | 1.553 ± 0.059 | |
| RP [RJ] | 1.32 ± 0.14 | 1.32 ± 0.12 | |
| Ellipsoidal mass [MJ] | 11.5 ± 10.3 | 13.0 ± 11.1 | |
| Beaming mass [MJ] |
 |
15.6 ± 14.2 | |
| i [°] | 84.86 ± 0.20 | 84.85 ± 0.19 | |
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