Free Access
Table 2
Physical parameters of the HD 106315 system.
| Parameter | Value and uncertainty | |
|
|
||
| Orbital parameters | HD 106315b | HD 106315c |
| Orbital period P [d] | 9.55237 ±8.9 × 10-4 | 21.05704 ±4.6 × 10-4 |
| Epoch of first transit T0 [BJDTDB−2.4 × 106] | 57 586.5487 ± 2.9 × 10-3 | 57 569.0173 ±1.4 × 10-3 |
| Orbital eccentricity e | 0.093 |
0.22 ± 0.15 |
| Argument of periastron ω [°] | 239 |
96 |
| Semi-major axis a [AU] | 0.0907 ± 1.0 × 10-3 | 0.1536 ± 1.7 × 10-3 |
| Inclination i [°] | 87.54 ± 0.32 | 88.61 |
|
|
||
| Transit and radial velocity parameters | ||
| System scale a/R⋆ | 15.07 ± 0.70 | 25.5 ± 1.2 |
| Impact parameter b | 0.67 ± 0.1 | 0.52 |
| Transit duration T14 [h] | 3.775 ± 0.081 | 4.638 ± 0.072 |
| Planet-to-star radius ratio kr | 0.01728 ±6.0 × 10-4 | 0.03086 ± 0.0010 |
| Radial velocity amplitude K [m s-1] | 3.63 ± 0.92 | 3.43 ± 0.83 |
|
|
||
| Planet parameters | ||
| Planet mass Mp [M⊕] | 12.6 ± 3.2 | 15.2 ± 3.7 |
| Planet radius Rp [R⊕] | 2.44 ± 0.17 | 4.35 ± 0.23 |
| Planet density ρp [g cm-3] | 4.7 ± 1.7 | 1.01 ± 0.29 |
| Equilibrium temperature Teq [K] | 1153 ± 25 | 886 ± 20 |
|
|
||
| Stellar parameters | ||
| Stellar mass M⋆ [M⊙] | 1.091 ± 0.036 | |
| Stellar radius R⋆ [R⊙] | 1.296 ± 0.058 | |
| Stellar age τ [Gyr] | 4.48 ± 0.96 | |
| Effective temperature Teff [K] | 6327 ± 48 | |
| Surface gravity log g [g cm-2] | 4.252 ± 0.043 | |
| Iron abundance [Fe/H] [dex] | −0.311 ± 0.079 | |
| Reddening E(B−V) [mag] | 0.0050 |
|
| Systemic radial velocity υ0 [km s-1] |
|
|
| Distance to Earth d [pc] | 109 ± 5 | |
| Spectral type | F5V | |
|
|
||
| Instrumental parameters | ||
| HARPS radial velocity jitter [m s-1] | 3.05 ± 0.78 | |
| SED jitter [mag] | 0.079 ± 0.020 | |
| K2 jitter [ppm] | 44 ± 2 | |
| K2 contamination [ppt] | 3.3 |
|
| K2 flux normalisation | 1.000001 ±3.1 × 10-6 | |
| LCO jitter [ppt] | 1.424 ± 0.065 | |
| LCO contamination | 0.1 |
|
| LCO flux normalisation | 0.99994 ± 0.00011 | |
| GP period [d] | 2.825 ± 0.012 | |
| GP amplitude [m s-1] | 0.57 ± 0.35 | |
| GP λ1 [d] | 652.5 ± 340 | |
| GP λ2 | 299.0 ± 260 | |
Notes. We assumed R⊙ = 695 508 km, M⊙ = 1.98842 × 1030 kg, R⊕ = 6 378 137 m, M⊕ = 5.9736 × 1024 kg, and 1 AU =149 597 870.7 km.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.