Table 4
Stellar and planetary parameters derived from the multi-colour joint transit analysis of WASP-74 b.
| Parameter | Unit | Value(a) |
|---|---|---|
| Ephemeris | ||
| T0 | [BJD] | 2457173.871756 ± 9 × 10−5 |
| P | [d] | 2.13775138 ± 2.4 × 10−7 |
| T14 | [h] | 2.38 ± 0.02 |
| Fitted parameters | ||
| kg | 0.09943 ± 0.00081 | |
| kr | 0.09762 ± 0.00072 | |
| ki | 0.09627 ± 0.00063 | |
| ks | 0.09376 ± 0.00064 | |
| kCI | 0.09844 ± 0.00119 | |
| kBI | 0.09128 ± 0.00040 | |
| kz | 0.09376 ± 0.00064 | |
| kJ | 0.08976 ± 0.00158 | |
| kH | 0.09544 ± 0.00154 | |
| kK | 0.09477 ± 0.00246 | |
| k3.6μm | 0.09406 ± 0.00070 | |
| k4.5μm | 0.09509 ± 0.00073 | |
| as | [R⋆] | 4.97 ± 0.03 |
| b | 0.84 ± 0.01 | |
| ρ⋆ | [g cm−3] | 0.509 ± 0.01 |
| Derived parameters(b) | ||
| Rp,g | [RJ] | 1.429 ± 0.045 |
| Rp,r | [RJ] | 1.403 ± 0.044 |
| Rp,i | [RJ] | 1.383 ± 0.043 |
| Rp,z | [RJ] | 1.348 ± 0.042 |
| Rp,CI | [RJ] | 1.415 ± 0.046 |
| Rp,BI | [RJ] | 1.312 ± 0.040 |
| Rp,J | [RJ] | 1.290 ± 0.045 |
| Rp,H | [RJ] | 1.372 ± 0.047 |
| Rp,K | [RJ] | 1.362 ± 0.055 |
| Rp,3.6μm | [RJ] | 1.352 ± 0.042 |
| Rp,4.5μm | [RJ ] | 1.367 ± 0.043 |
| a | [AU] | 0.0334 ± 0.001 |
| i | [deg] | 80.32 ± 0.09 |
| Teq | [K] | 1865 ± 20 |
Notes. (a) The estimates correspond to the posterior median (P50) with
1σ uncertainty estimate based on the 16th and 84th posterior percentiles (P16
and P84, respectively) for symmetric, approximately normal posteriors. For asymmetric, unimodal, posteriors, the estimates are
.
(b) The derived planetary parameters are based on the stellar parameters shown in Table 2.
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