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Table 3
Fitted CONAN3 parameters of the KELT-7 planetary system.
| Parameter [unit] | Description | Prior | Value |
|---|---|---|---|
| Tc [BJDTDB − 2 457 000] | reference mid-transit time | 𝒰(2880.34, 2880.35) | 2880.342376 ± 0.000023 |
| Rp,CHEOPS/Rs | CHEOPS planet-to-star radius ratio | 𝒰(−1, 1) | 0.08998 ± 0.00020 |
| Rp,TESS/Rs | TESS planet-to-star radius ratio | 𝒰(−1, 1) | 0.08956 ± 0.00009 |
| b | impact parameter | 𝒰(0, 1) | 0.607 ± 0.004 |
| Wtra [d] | total transit duration | 𝒰(0, 0.3) | 0.14449 ± 0.00011 |
| Porb [d] | orbital period | 𝒰(2.73, 2.74) | 2.73476613 ± 0.00000013 |
| Docc,CHEOPS [ppm] | CHEOPS occultation depth | 𝒰(0, 500) | 36 ± 11 |
| Docc,TESS [ppm] | TESS occultation depth | 𝒰(0, 500) | 69 ± 9 |
| u1,CHEOPS | CHEOPS quadratic LD coefficient | 𝒩(0.35, 0.03) | 0.319 ± 0.016 |
| u2,CHEOPS | CHEOPS quadratic LD coefficient | 𝒩(0.31, 0.04) | 0.242 ± 0.021 |
| u1,TESS | TESS quadratic LD coefficient | N(0.21, 0.04) | 0.220 ± 0.016 |
| u2,TESS | TESS quadratic LD coefficient | 𝒩(0.33, 0.05) | 0.212 ± 0.022 |
| log σCHEOPS [log relative flux] | CHEOPS white-noise term in the GP | 𝒰(−20, −1) | −9.17 ± 0.03 |
| log σTESS [log relative flux] | TESS white-noise term in the GP | 𝒰(−20, −1) | −8.540 ± 0.008 |
| log S0,Cheops | CHEOPS scaled amplitude in the SHO GP | 𝒰(−30, −1) | −15.85 ± 0.22 |
| log S0,TESS | TESS scaled amplitude in the SHO GP | 𝒰(−30, −1) | −16.28 ± 0.19 |
| log Q | quality factor in the SHO GP | 𝒰(−10, 5) | −1.15 ± 0.12 |
| log ω0 [log d−1] | frequency in the SHO GP | 𝒩(1.52, 0.02) | 1.560 ± 0.015 |
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