Table 4
Expected values of the most useful parameter combinations obtained using RV and transit observations.
| Parameter | ||
|
|
||
| P [days] | 1.580400(14) | |
| K [m s-1] | 10.9(1.6) | |
| λ0 [deg] | 210.9(6.2)a | |
| ecosω | –0.033(55) | |
| esinω | –0.044(90) | |
| Jitter s [m s-1] | 3.6(1.1) | |
| γ | 0.35(1.2) | |
| Other parameter combinations | ||
|
|
||
| e | <0.23b | |
| Msini [Mjup] | 0.0195(28)c | |
| Msini [M⊕] | 6.20(91)c | |
| a [AU] | 0.0148c | |
|
|
||
| Ntransits | 30 | |
| NRV | 21 | |
| rmsRV [m s-1] | 3.5 | |
|
|
||
Notes.Numbers in parentheses represent the standard deviation of the distributions (last two significant digits of the expected values).
Julian date of the reference epoch on which λ0 is computed is the first epoch of the RV data at T0 = 2 455 036.57372 days. For a circular orbit λ0 is equal to the mean anomaly M0 at the reference epoch.
Distribution of the eccentricity peaks close to 0 (see Fig. 3).
Assumes M∗ = 0.176 M⊙. The uncertainty in the mass of GJ 1214 is considered in the final proposed parameters for the star-planet system given in Sect. 4.
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