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Ψ##### POSEIDON Retrieval Output #####Ψ
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PLANET: HAT-P-18b_phot_2s

Model: p_two_spots

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Model wavelength range:

-> 0.55 - 2.9 um @ R = 20000

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Datasets:

-> JWST_NIRISS_SOSS_Ord1 (phot_lb_O1.dat)
-> JWST_NIRISS_SOSS_Ord2 (phot_lb_O2.dat)

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Algorithm = MultiNest
N_params = 19
N_live = 200
evidence_tol = 0.5

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Model Bayesian evidence:

-> ln Z = 984.00 +/- 0.33

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Best reduced chi-square:

-> chi^2_red = 1.94
-> degrees of freedom = 115
-> chi^2 = 223.51

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******************************************
1 σ constraints
******************************************

R_p_ref     =   0.996 (+0.002) (-0.002) R_J
a1          =   1.18 (+0.54) (-0.57) 
a2          =   1.08 (+0.56) (-0.57) 
log_P1      =   -4.52 (+2.72) (-2.17) 
log_P2      =   -3.88 (+2.62) (-2.49) 
log_P3      =   0.31 (+1.08) (-1.32) 
T_ref       =   516.7 (+105.4) (-86.5) K
log_Na      =   -9.10 (+1.58) (-1.78) 
log_H2O     =   -3.90 (+0.47) (-0.41) 
log_CO2     =   -4.73 (+0.65) (-0.70) 
log_a       =   -0.66 (+2.31) (-2.05) 
gamma       =   -11.87 (+6.71) (-5.27) 
log_P_cloud =   -1.67 (+0.13) (-0.18) 
f_spot      =   0.30 (+0.11) (-0.14) 
f_fac       =   0.05 (+0.06) (-0.03) 
T_spot      =   4773.5 (+43.0) (-120.3) K
T_fac       =   5108.1 (+188.6) (-148.4) K
T_phot      =   4914.7 (+32.1) (-36.2) K
delta_rel   =   -158.76 (+30.03) (-29.29) 

******************************************
2 σ constraints
******************************************

R_p_ref     =   0.996 (+0.003) (-0.005) R_J
a1          =   1.18 (+0.78) (-0.93) 
a2          =   1.08 (+0.84) (-0.89) 
log_P1      =   -4.52 (+4.56) (-3.29) 
log_P2      =   -3.88 (+4.36) (-3.84) 
log_P3      =   0.31 (+1.58) (-2.12) 
T_ref       =   516.7 (+261.6) (-152.5) K
log_Na      =   -9.10 (+2.65) (-2.69) 
log_H2O     =   -3.90 (+0.90) (-0.74) 
log_CO2     =   -4.73 (+1.27) (-2.23) 
log_a       =   -0.66 (+4.37) (-3.07) 
gamma       =   -11.87 (+11.57) (-7.63) 
log_P_cloud =   -1.67 (+0.22) (-0.44) 
f_spot      =   0.30 (+0.18) (-0.21) 
f_fac       =   0.05 (+0.12) (-0.04) 
T_spot      =   4773.5 (+67.9) (-299.4) K
T_fac       =   5108.1 (+399.3) (-225.7) K
T_phot      =   4914.7 (+55.0) (-84.6) K
delta_rel   =   -158.76 (+61.21) (-55.98) 

******************************************
3 σ constraints
******************************************

R_p_ref     =   1.00 (+0.01) (-0.06) R_J
a1          =   1.18 (+0.82) (-1.08) 
a2          =   1.08 (+0.91) (-1.03) 
log_P1      =   -4.52 (+5.91) (-3.47) 
log_P2      =   -3.88 (+5.27) (-4.11) 
log_P3      =   0.31 (+1.68) (-2.30) 
T_ref       =   516.7 (+718.6) (-192.1) K
log_Na      =   -9.10 (+3.39) (-2.89) 
log_H2O     =   -3.90 (+1.42) (-1.10) 
log_CO2     =   -4.73 (+1.90) (-6.76) 
log_a       =   -0.66 (+5.49) (-3.33) 
gamma       =   -11.87 (+13.46) (-8.08) 
log_P_cloud =   -1.67 (+0.33) (-2.80) 
f_spot      =   0.30 (+0.20) (-0.23) 
f_fac       =   0.05 (+0.21) (-0.05) 
T_spot      =   4773.5 (+91.9) (-398.7) K
T_fac       =   5108.1 (+618.0) (-316.1) K
T_phot      =   4914.7 (+108.0) (-198.7) K
delta_rel   =   -158.76 (+91.60) (-87.60) 

******************************************
5 σ constraints
******************************************

R_p_ref     =   1.00 (+0.01) (-0.12) R_J
a1          =   1.18 (+0.82) (-1.16) 
a2          =   1.08 (+0.92) (-1.05) 
log_P1      =   -4.52 (+6.16) (-3.48) 
log_P2      =   -3.88 (+5.54) (-4.12) 
log_P3      =   0.31 (+1.68) (-2.31) 
T_ref       =   516.7 (+1270.1) (-210.6) K
log_Na      =   -9.10 (+6.36) (-2.90) 
log_H2O     =   -3.90 (+2.41) (-1.47) 
log_CO2     =   -4.73 (+2.77) (-7.25) 
log_a       =   -0.66 (+7.07) (-3.34) 
gamma       =   -11.87 (+13.74) (-8.12) 
log_P_cloud =   -1.67 (+0.43) (-4.29) 
f_spot      =   0.30 (+0.20) (-0.25) 
f_fac       =   0.05 (+0.24) (-0.05) 
T_spot      =   4773.5 (+114.6) (-520.5) K
T_fac       =   5108.1 (+623.0) (-402.5) K
T_phot      =   4914.7 (+136.1) (-266.1) K
delta_rel   =   -158.76 (+144.74) (-101.96) 

******************************************
Best-fitting parameters
******************************************

R_p_ref     =   0.996 R_J
a1          =   1.41 
a2          =   1.26 
log_P1      =   -1.80 
log_P2      =   -2.84 
log_P3      =   -0.11 
T_ref       =   519.5 K
log_Na      =   -8.04 
log_H2O     =   -4.01 
log_CO2     =   -4.49 
log_a       =   0.87 
gamma       =   -18.39 
log_P_cloud =   -1.54 
f_spot      =   0.37 
f_fac       =   0.07 
T_spot      =   4790.2 K
T_fac       =   5188.7 K
T_phot      =   4953.4 K
delta_rel   =   -185.91