Table 2
Results of the M1–4 fits.
| Model | M1 | M2 | M3 | M4 | Note |
|---|---|---|---|---|---|
| parameter | Value and | Value and | Value and | Value and | |
| uncertainty | uncertainty | uncertainty | uncertainty | ||
| Vγ (m s−1) |  |
 |
 |
 | |
| K (m s−1) |  |
 |
 |
 | |
 |
 |
 |
 |
 | |
 |
 |
 |
 |
 | |
 (° day−1) |
 |
 |
calculated | 0 (fixed) | |
| k2,planet | – | – |  |
0 (fixed) | aps. mot. const. |
| RV-offset 2-1 (m s−1) |  |
 |
 |
 | |
| RV-offset 3-1 (m s−1) |  |
 |
 |
 | |
| RV-offset 4-1 (m s−1) |  |
 |
 |
 | |
| RV-offset 5-1 (m s−1) |  |
 |
 |
 | |
| P (days) |  |
 |
 |
 | |
| Calculated parameters | |||||
| e | 0.0088 ± 0.0007 | 0.0084 ± 0.0007 | 0.0085 ± 0.0020 | 0.0083 ± 0.0010 | |
| ω0 (°) | 262.82 ± 3.51 | 257.94 ± 2.06 | 257.27 ± 2.13 | 266.2 ± 1.3 | |
 (° day−1) |
0.000707 ± 0.000002 | 0.000709 ± 0.000023 | – | 0 | |
 |
0.01144 ± 0.0069 | 0.00836 ± 0.00254 | – | 0 | |
 (° day−1; calculated) |
– | – | 0.0087 ± 0.0033 | 0 | |
| Love-number (=2 k2): | |||||
| k2Love,planet | 0.96 ± 0.74 | 0.64 ± 0.32 |  |
– | Prot, planet = Porb |
| k2Love,planet | 1.02 ± 0.82 | 0.68 ± 0.34 |  |
– | Prot, planet = 0 |
| k2Love,planet | 0.64 ± 0.50 | 0.42 ± 0.22 |  |
– | Prot, planet = Porb∕3 |
Notes. P is the anomalistic period, not the transit period. Instrument identifiers: (1) PFS, data from Albrecht et al. (2012); (2) CORALIE, data from Hellier et al. (2009); (3) HIRES, data from Knutson et al. (2014); (4) CORALIE, data from Triaud et al. (2010) and we applied a different offset than for the Hellier et al. (2009) data because of possible different instrument settings and data reduction methods; (5) HARPS, data from Triaud et al. (2010). See Sect. 5.1 for details. The model preferred in Sect. 6.1 is M3 (RV+TTV joint fit, using k2,planet as free fitted parameter instead of 
). The prior values used in the fits can be found in Table 1.
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