Open Access
Table 1
Overview of all parameters in our simulated atmospheric retrieval.
| Parameter | Description | Prior | True value | Retrieved (polynomial) | Retrieved (our method) |
|---|---|---|---|---|---|
| a4 | PT profile parameter (polynomial) | Uniform (0, 10) | – |  |
– |
| a3 | PT profile parameter (polynomial) | Uniform (0, 100) | – |  |
– |
| a2 | PT profile parameter (polynomial) | Uniform (0, 300) | – |  |
– |
| a1 | PT profile parameter (polynomial) | Uniform (0, 500) | – |  |
– |
| a0 | PT profile parameter (polynomial) | Uniform (0, 600) | – |  |
– |
| 𝓏1 | PT profile parameter (our method) | Uniform (−4, 4) | – | – |  |
| 𝓏2 | PT profile parameter (our method) | Uniform (−4, 4) | – | – |  |
| log10(P0) | Surface pressure (in bar) | Uniform (−2, 2) | 0.013 |  |
 |
| Rp1 | Planet radius (in R⊕) | Normal (1, 0.2) | 1.00 |  |
 |
| log10 (Mp1) | Planet mass (in M⊕) | Normal (0, 0.4) | 0.00 |  |
 |
 |
N2 mass fraction | Uniform (−2, 0) | −0.11 |  |
 |
 |
O2 mass fraction | Uniform (−2, 0) | −0.70 |  |
 |
 |
CO2 mass fraction | Uniform (−10, 0) | −3.40 |  |
 |
 |
CH4 mass fraction | Uniform (−10, 0) | −5.77 |  |
 |
 |
H2O mass fraction | Uniform (−10, 0) | −3.00 |  |
 |
 |
O3 mass fraction | Uniform (−10, 0) | −6.52 |  |
 |
| log10 (XCO) | CO mass fraction | Uniform (−10, 0) | −6.90 |  |
 |
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