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Table 6
Parameter estimates of atmospheric retrieval joint with other transmission spectra.
| Parameter | Description | Prior range | Posterior estimates |
|---|---|---|---|
| R0 | Planet radius at pressure of 1 bar (RJ) |  |
 |
| T | Atmospheric temperature (K) |  |
 |
| log10Z | Metallicity relative to solar |  |
 |
| C/O | Carbon-to-oxygen ratio |  |
 |
| log10Pcld | Cloud-top pressure (Pa) |  |
 |
| log10rm | Mean radius of aerosol particles (μm) |  |
 |
| log10Haero∕Hgas | Aerosol scale height relative to gas scale height |  |
 |
| log10n0 | Aerosol number density at the cloud top (m−3) |  |
 |
| GTC OSIRIS (21 Apr. 2012) | |||
| ΔTspot | Tspot − Tphot (K) |  |
 |
| ΔTfacu | Tfacu − Tphot (K) |  |
 |
| ϕspot | Stellar spot coverage fraction (%) |  |
 |
| ϕfacu | Stellar facula coverage fraction (%) |  |
 |
| GTC OSIRIS (17 Mar. 2013) | |||
| ΔTspot | Tspot − Tphot (K) |  |
 |
| ΔTfacu | Tfacu − Tphot (K) |  |
 |
| ϕspot | Stellar spot coverage fraction (%) |  |
 |
| ϕfacu | Stellar facula cov erage fraction (%) |  |
 |
| LBT MODS (25 Mar. 2017) | |||
| ΔTspot | Tspot − Tphot (K) |  |
 |
| ΔTfacu | Tfacu − Tphot (K) |  |
 |
| ϕspot | Stellar spot coverage fraction (%) |  |
 |
| ϕfacu | Stellar facula coverage fraction (%) |  |
 |
| HST STIS G750L (4 Feb. 2013) | |||
| ΔTspot | Tspot − Tphot (K) |  |
 |
| ΔTfacu | Tfacu − Tphot (K) |  |
 |
| ϕspot | Stellar spot coverage fraction (%) |  |
 |
| ϕfacu | Stellar facula coverage fraction (%) |  |
 |
| HST WFC3 G141 (12 Dec. 2015 & 31 Aug. 2016) | |||
| βWFC3 | Transit depth rescaling factor |  |
 |
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