Open Access
Table 3
Best-fit model and derived parameters of the transit, occultation, and phase curve fit.
| Parameter | Unit | CHEOPS | TESS | |
|---|---|---|---|---|
| Transit | ||||
| Stellar density | ρ⋆ | gcm−3 |  |
 |
| Orbital frequency | f | day−1 | 0.28784401 ± 0.00000033 | 0.28784433 ± 0.000000023 |
| Orbital period | P | days | 3.4741039 ± 0.0000040 | 3.47409999 ± 0.00000028 |
| Orbital period [G.D.] | – | days | 3.47410075 ± 0.00000056 | 3.4741004 ± 0.0000004 |
| Time of transit | Tc | BJDTDB – 2457000 | 2406.927174 ± 0.000024 | 1698.210775 ± 0.000052 |
| Time of transit [G.D.] | – | – | 1312.5853 ± 0.0002 | 1312.5849 ± 0.0001 |
| Planet-star radius ratio | Rp/R⋆ | 0.11572 ± 0.00018 | 0.11588 ± 0.00006 | |
| Planet–star radius ratio [G.D.](1) | Rp/Req | 0.1131 ± 0.0008 |  |
|
| Impact parameter | b | 0.515 ± 0.005 | 0.523 ± 0.004 | |
| Impact parameter [G.D.] | – | 0.498 ± 0.005 | 0.510 ± 0.006 | |
| Quadratic limb darkening | q1 | 0.257 ± 0.018 | 0.12 ± 0.05 | |
| Quadratic limb darkening | q2 |  |
0.39 ± 0.26 | |
| Quadratic limb darkening [G.D.] | ua + ub | 0.516 ± 0.021 | 0.18 ± 0.03 | |
| Quadratic limb darkening [G.D.] | ua − ub | 0.05 ± 0.10 | 0.39 ± 0.02 | |
| Scaled semi-major axis | a/R⋆ |  |
 |
|
| Scaled semi major axis [G.D.] | – | – | 7.46 ± 0.02 | 7.43 ± 0.02 |
| Stellar rotation axis | i⋆ | deg |  |
 |
| Nodal longitude | Ω⋆ | deg | 86.12 ± 1.1 | 81 ± 1 |
| Orbital inclination | ip | deg | 86.03 ± 0.05 | 85.96 ± 0.04 |
| Orbital inclination [G.D.] | – | deg | 86.17 ± 0.04 | 86.064 ± 0.047 |
| Transit depth | δtr | % | 1.3391 ± 0.0042 | 1.3428 ± 0.0013 |
| Transit depth [G.D.](1) |  |
% | 1.3187 ± 0.019 | 1.2955 ± 0.0116 |
| Sky-projected spin-orbit angle | λ | deg | 3.9 ± 1.1 | 9 ± 1 |
| Spin-orbit angle | Ψ | deg | 5.0 ± 11 | 32 ± 7 |
| Jitter | σw | ppm | 123 ± 2 | 303 ± 4 |
| Red noise | σr | ppm | 1947 ± 107 | 7862 ± 284 |
| Occultation and phase-curve | ||||
| Transit/eclipse duration(2) | T14/T14 | h | 3.540 ± 0.003 | 3.537 ± 0.003 |
| Phase offset | ∆φ | deg | – |  |
| Dayside phase amplitude | Aday | ppm | – | 122.2 ± 4.9 |
| Nightside phase amplitude | Anight | ppm | – |  |
| Occultation depth | δocc | ppm | 82.4 ± 5.6 |  |
| Brightness temperature (100% NIR)(3) | Tday | K |  |
 |
| Geometric albedo (100% NIR)(3) | Ag | 0.19 ± 0.08 | 0.19 ± 0.16 | |
| Lambertian grey-sky (CHEOPS-TESS) | ||||
| Brightness temperature | Tday | K |  |
|
| Geometric albedo | Ag | 0.26 ± 0.04 | ||
| Dayside temperature | Td | K |  |
|
| Nightside temperature | Tn | K |  |
|
| Bond albedo | AB |  |
||
| Heat re-circulation efficiency | ϵ |  |
||
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.