Ψ*************************************Ψ Ψ#####################################Ψ Ψ##### #####Ψ Ψ##### POSEIDON Retrieval Output #####Ψ Ψ##### #####Ψ Ψ#####################################Ψ Ψ*************************************Ψ ################################# PLANET: HAT-P-18b_TACHELES_1s Model: T_single_spot ################################# Model wavelength range: -> 0.55 - 2.9 um @ R = 20000 ################################# Datasets: -> JWST_NIRISS_SOSS_Ord1 (TACHELES_lb_O1.dat) -> JWST_NIRISS_SOSS_Ord2 (TACHELES_lb_O2.dat) ################################# Algorithm = MultiNest N_params = 18 N_live = 500 evidence_tol = 0.5 ################################# Model Bayesian evidence: -> ln Z = 989.19 +/- 0.20 ################################# Best reduced chi-square: -> chi^2_red = 1.54 -> degrees of freedom = 116 -> chi^2 = 179.04 ################################# ****************************************** 1 σ constraints ****************************************** R_p_ref = 1.003 (+0.003) (-0.003) R_J log_g = 2.73 (+0.04) (-0.04) a1 = 1.12 (+0.57) (-0.56) a2 = 1.09 (+0.58) (-0.60) log_P1 = -4.26 (+2.79) (-2.37) log_P2 = -3.47 (+2.46) (-2.84) log_P3 = 0.36 (+1.10) (-1.28) T_ref = 790.4 (+291.6) (-202.1) K log_Na = -8.09 (+1.23) (-2.01) log_H2O = -4.91 (+0.60) (-0.48) log_CO2 = -5.49 (+0.80) (-0.75) log_a = -2.82 (+3.54) (-3.34) gamma = -11.37 (+7.34) (-5.58) log_P_cloud = -1.50 (+0.12) (-0.16) f_het = 0.11 (+0.05) (-0.03) T_het = 4557.6 (+149.6) (-113.9) K T_phot = 4845.5 (+73.7) (-75.0) K delta_rel = -122.22 (+37.09) (-36.81) ****************************************** 2 σ constraints ****************************************** R_p_ref = 1.00 (+0.01) (-0.01) R_J log_g = 2.73 (+0.08) (-0.08) a1 = 1.12 (+0.83) (-0.90) a2 = 1.09 (+0.85) (-0.91) log_P1 = -4.26 (+4.66) (-3.51) log_P2 = -3.47 (+4.24) (-4.21) log_P3 = 0.36 (+1.54) (-2.12) T_ref = 790.4 (+558.0) (-318.0) K log_Na = -8.09 (+1.99) (-3.51) log_H2O = -4.91 (+1.12) (-0.77) log_CO2 = -5.49 (+1.50) (-1.30) log_a = -2.82 (+5.87) (-4.84) gamma = -11.37 (+11.80) (-8.06) log_P_cloud = -1.50 (+0.23) (-0.44) f_het = 0.11 (+0.13) (-0.05) T_het = 4557.6 (+251.2) (-207.8) K T_phot = 4845.5 (+126.5) (-140.6) K delta_rel = -122.22 (+74.72) (-70.09) ****************************************** 3 σ constraints ****************************************** R_p_ref = 1.00 (+0.01) (-0.03) R_J log_g = 2.73 (+0.12) (-0.12) a1 = 1.12 (+0.88) (-1.05) a2 = 1.09 (+0.91) (-1.03) log_P1 = -4.26 (+5.81) (-3.70) log_P2 = -3.47 (+5.09) (-4.51) log_P3 = 0.36 (+1.63) (-2.36) T_ref = 790.4 (+752.5) (-410.1) K log_Na = -8.09 (+2.76) (-3.89) log_H2O = -4.91 (+1.67) (-1.01) log_CO2 = -5.49 (+2.29) (-4.38) log_a = -2.82 (+6.68) (-5.16) gamma = -11.37 (+13.22) (-8.59) log_P_cloud = -1.50 (+0.33) (-1.35) f_het = 0.11 (+0.19) (-0.06) T_het = 4557.6 (+305.6) (-408.2) K T_phot = 4845.5 (+183.1) (-222.2) K delta_rel = -122.22 (+113.41) (-103.62) ****************************************** 5 σ constraints ****************************************** R_p_ref = 1.00 (+0.01) (-0.06) R_J log_g = 2.73 (+0.15) (-0.15) a1 = 1.12 (+0.88) (-1.10) a2 = 1.09 (+0.91) (-1.06) log_P1 = -4.26 (+6.09) (-3.74) log_P2 = -3.47 (+5.43) (-4.53) log_P3 = 0.36 (+1.64) (-2.36) T_ref = 790.4 (+1056.7) (-470.3) K log_Na = -8.09 (+4.88) (-3.91) log_H2O = -4.91 (+2.86) (-1.28) log_CO2 = -5.49 (+3.48) (-6.50) log_a = -2.82 (+6.80) (-5.18) gamma = -11.37 (+13.36) (-8.62) log_P_cloud = -1.50 (+0.58) (-2.32) f_het = 0.11 (+0.26) (-0.08) T_het = 4557.6 (+352.6) (-718.3) K T_phot = 4845.5 (+250.8) (-248.8) K delta_rel = -122.22 (+176.65) (-163.01) ****************************************** Best-fitting parameters ****************************************** R_p_ref = 0.999 R_J log_g = 2.68 a1 = 2.00 a2 = 0.32 log_P1 = -4.39 log_P2 = 0.85 log_P3 = 1.08 T_ref = 420.7 K log_Na = -6.82 log_H2O = -3.87 log_CO2 = -4.39 log_a = -1.26 gamma = -17.97 log_P_cloud = -1.54 f_het = 0.21 T_het = 4818.5 K T_phot = 4946.6 K delta_rel = -85.08