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Table 2
RV-derived parameters of K2-19b and K2-19c from a two-planet model.
| Parameter | Value |
|
|
|
| K2-19b | |
| RV semi-amplitude variation Kb [ m s-1] ∗ | 18.8 ± 2.4 |
| Eccentricity eb∗ | 0.094 ± 0.075 |
| Argument of periapsis ω∗ ,b [deg] ∗ |
|
| Epoch of periapsis Tp,b∗∗ | 2 456 812.44 ± 0.44 |
| Planet mass Mb [M⊕] ∗∗ | 54.8 ± 7.5 |
| K2-19c | |
| RV semi-amplitude variation Kc [ m s-1] * |
|
| Eccentricity ec | 0 (fixed) |
| Planet mass Mc [M⊕] ** |
|
| Systemic RV | |
| FIES systemic RV γFIES [ km s-1] ∗ | 7.1951 ± 0.0030 |
| HARPS-N systemic RV γHARPS−N [ km s-1] ∗ | 7.3153 ± 0.0019 |
| HARPS-S systemic RV γHARPS [ km s-1] ∗ | 7.3272 ± 0.0020 |
Notes. Orbital periods and epochs were input values taken from Armstrong et al. (2015).
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