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Home All issues Volume 675 (July 2023) A&A, 675 (2023) A62 Full HTML
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Table B.5

Posterior estimates of the atmospheric retrievals using the OSIRIS data alone (equilibrium chemistry hypothesis).

CoRoT-1b HAT-P-18b HAT-P-57b Qatar-1b
Parameters Priors Posteriors Priors Posteriors Priors Posteriors Priors Posteriors
log10 P0 (bar) 𝒰(-6,3) 𝒰(−6,3) 𝒰(−6,3) 𝒰(−6,3)
Rp (RJ) 𝒩(1.49, 0.08) 𝒩(0 995, 0 052) 𝒩(1 7 , 0 36) 𝒩(1 143, 0 026)
Mp (MJ) N (1.03,0.12) 𝒩(0.197,0.013) 𝒩(1 1, 1 52) 𝒩(1 294, 0 050)
T (K) 𝒰(500, 2500) 𝒰(500,1500) 𝒰(500,3000) 𝒰(500,2000)
log10 Pc (bar) 𝒰(-6,3) 𝒰(−6,3) 𝒰(−6,3) 𝒰(−6,3)
ƒhaze (dex) 𝒰(-3, 6) 𝒰(−3, 6) 𝒰(−3, 6) 𝒰(−3, 6)
C/O 𝒰(0.1,1.6) 𝒰(0.1,1.6) 𝒰(0.1,1.6) 𝒰(0.1,1.6)
[M/H] 𝒰(−1, 3) 𝒰(−1, 3) 𝒰(−1, 3) 𝒰(−1, 3)
CoRoT-1b HAT-P-18b HAT-P-57b Qatar-1b
Parameters Priors Posteriors Priors Posteriors Priors Posteriors Priors Posteriors
log10 P0 (bar) 𝒰(-6,3) 𝒰(−6,3) 𝒰(-6,3) 𝒰(−6,3)
Rp (RJ) 𝒩 (1.61,0.18) 𝒩(1.063,0.028) 𝒩 (1.080,0.020) 𝒩 (1.18,0.07)
Mp (MJ) N(0.78, 0.19) 𝒩(0.880, 0.038) 𝒩 (3.15,0.12) 𝒩 (3.60,0.07)
T (K) 𝒰(500, 2500) 𝒰(500, 2000) 𝒰(500,2000) 𝒰(500,2500)
log10 Pc (bar) 𝒰(-6,3) 𝒰(−6,3) 𝒰(−6,3) 𝒰(−6,3)
ƒhaze (dex) 𝒰(-3, 6) 𝒰(−3, 6) 𝒰(−3, 6) 𝒰(−3, 6)
C/O 𝒰(0.1,1.6) 𝒰(0.1,1.6) 𝒰(0.1,1.6) 𝒰(0.1,1.6)
[M/H] 𝒰(−1, 3) 𝒰(−1, 3) 𝒰(−1, 3) 𝒰(−1, 3)
CoRoT-1b HAT-P-18b HAT-P-57b Qatar-1b
Parameters Priors Posteriors Priors Posteriors Priors Posteriors Priors Posteriors
log10 P0 (bar) 𝒰(-6,3) 𝒰(−6,3) 𝒰(−6,3) 𝒰(−6,3)
Rp (RJ) N(1.327, 0.021) 𝒩(1.279,0.040) 𝒩 (1.198,0.046) 𝒩 (0.51,0.02)
Mp (MJ) N (2.361,0.070) 𝒩(0.281,0.032) 𝒩 (0.396,0.026) 𝒩 (0.128,0.010)
T (K) 𝒰(500, 2500) 𝒰(500, 2000) 𝒰(500,2000) 𝒰(500,1500)
log10 Pc (bar) 𝒰(-6,3) 𝒰(−6,3) 𝒰(−6,3) 𝒰(−6,3)
fhaze (dex) 𝒰(-3, 6) 𝒰(−3, 6) 𝒰(−3, 6) 𝒰(−3, 6)
C/O 𝒰(0.1,1.6) 𝒰(0.1,1.6) 𝒰(0.1,1.6) 𝒰(0.1,1.6)
[M/H] 𝒰(−1, 3) 𝒰(−1, 3) 𝒰(−1, 3) 𝒰(−1, 3)

Notes. P0: reference pressure; Rp: planet radius at the reference pressure; Mp: planet mass; T: temperature of the isothermal atmosphere; Pc: cloud-top pressure; haze: Rayleigh-like scattering factor; C/O: carbon-to-oxygen ratio of the atmosphere; [M/H]: metallicity of the atmosphere.

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