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Table 2
Measured transit and RV model parameters of the L 168-9 planetary system.
| Measured transit model parameters | TESS | ||
|---|---|---|---|
| Baseline flux, γTESS | 0.00001 ± 0.00029 | ||
| Orbital period, Pb [days] | 1.40150 ± 0.00018 | ||
| Time of midtransit, T0 [BJD-2,457,000] |  |
||
| Scaled semimajor axis, a∕Rs | 7.61 ± 0.31 | ||
| Planet-star radius ratio, rp∕Rs | 0.0212 ± 0.001 | ||
| Orbital inclination, i [deg] |  |
||
| Linear limb darkening coefficient, q1 |  |
||
| Quadratic limb darkening coefficient, q2 |  |
||
| TESS additive jitter, sTESS |  |
||
| Radial velocity GP hyperparameters | HARPS+PFS | HARPS | PFS |
| ln HARPS covariance amplitude, ln(aHARPS∕m s−1) |  |
 |
- |
| ln PFS covariance amplitude, ln(aPFS∕m s−1) |  |
- |  |
| ln RV exponential timescale, ln(λRV∕day) |  |
 |
 |
| ln RV coherence, ln(ΓRV) |  |
 |
 |
| ln RV periodic timescale, ln(PRV∕day) |  |
 |
 |
| HARPS additive jitter, sHARPS [m s−1] |  |
 |
- |
| PFS additive jitter, sPFS [m s−1] | 2.82 ± 0.42 | - | 2.78 ± 0.30 |
| Measured RV model parameters | HARPS+PFS | HARPS | PFS |
| HARPS zero point velocity, γHARPS [km s−1] | 29.7687 ± 0.0013 | 29.7692 ± 0.0013 | - |
| PFS zero point velocity, γPFS [km s−1] | 0.00077 ± 0.00186 | - | 0.00063 ± 0.00142 |
| Semiamplitude, K [m s−1] |  |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
| Derived L 168-9 b parameters | HARPS+PFS+TESS | HARPS+TESS | PFS+TESS |
| Semimajor axis, a [AU] | 0.02091 ± 0.00024 | ||
| Equilibrium temperature, Teq [K] | |||
| Zero bond albedo | 965 ± 20 | ||
| Venus-like bond albedo = 0.77 | 668 ± 14 | ||
| Planetary radius, Rp [R⊕ ] | 1.39 ± 0.09 | ||
| Planetary mass, Mp [M⊕ ] | 4.60 ± 0.56 |  |
 |
| Planetary bulk density, ρp [g cm−3 ] |  |
 |
 |
| Planetary surface gravity, gp [m s−2 ] |  |
 |
 |
| Planetary escape velocity, vesc [km s−1 ] |  |
 |
 |
| Orbital eccentricity, e(†) | <0.21 | <0.25 | <0.26 |
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