Table 3
Orbital parameters of HD 192310b, c obtained using our FF algorithm, using the LM refinement algorithm (starting from the FF solution), and compared with the published solution (PUB, Pepe et al. 2011, on the same 139 HARPS measurements).
| Parameter | [unit] | FF1 | LM1 | FF2 | LM2 | PUB | |
|
|
|||||||
| γ | [km s-1] | − 54.22374 | − 54.22373 ± 0.00015 | − 54.22343 | − 54.22319 ± 0.00027 | − 54.2232 ± 0.0003 | |
|
|
|||||||
| P | [day] | 74.66 | 74.65 ± 0.11 | – | 74.716 ± 0.098 | 74.72 ± 0.10 | |
| K | [m s-1] | 3.04 | 3.01 ± 0.21 | – | 3.01 ± 0.12 | 3.00 ± 0.12 | |
| b | e | 0.214 | 0.167 ± 0.069 | – | 0.127 ± 0.039 | 0.13 ± 0.04 | |
| ω | [°] | 186 | 179 ± 25 | – | 172 ± 21 | 173 ± 20 | |
| λ | [°] | 339.1 | 338.9 ± 4.0 | – | 340.8 ± 2.3 | 340.8 ± 2.3 | |
|
|
|||||||
| P | [day] | – | – | 516.6 | 525.6 ± 9.5 | 525.8 ± 9.2 | |
| K | [m s-1] | – | – | 2.07 | 2.27 ± 0.27 | 2.27 ± 0.28 | |
| c | e | – | – | 0.20 | 0.31 ± 0.11 | 0.32 ± 0.11 | |
| ω | [°] | – | – | 100 | 109 ± 21 | 110 ± 21 | |
| λ | [°] | – | – | 14 | 3 ± 13 | 1.9 ± 12.3 | |
|
|
|||||||
|
4.56 | 4.53 | 1.43 | 1.36 | – | ||
Notes. We first fitted the data using our FF algorithm for the inner planet (FF1). Then we refined this single-planet solution with the LM method (LM1). We added the outer planet using our algorithm on the residuals (FF2), and refined the global solution with the LM algorithm (LM2). The epoch (used to define the longitudes λ) is set to 2 455 151.02574596 BJD (following Pepe et al. 2011).
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