Ψ*************************************Ψ Ψ#####################################Ψ Ψ##### #####Ψ Ψ##### POSEIDON Retrieval Output #####Ψ Ψ##### #####Ψ Ψ#####################################Ψ Ψ*************************************Ψ ################################# PLANET: HAT-P-18b_phot_1s Model: p_single_spot ################################# Model wavelength range: -> 0.55 - 2.9 um @ R = 20000 ################################# Datasets: -> JWST_NIRISS_SOSS_Ord1 (phot_lb_O1.dat) -> JWST_NIRISS_SOSS_Ord2 (phot_lb_O2.dat) ################################# Algorithm = MultiNest N_params = 18 N_live = 500 evidence_tol = 0.5 ################################# Model Bayesian evidence: -> ln Z = 985.04 +/- 0.20 ################################# Best reduced chi-square: -> chi^2_red = 1.94 -> degrees of freedom = 116 -> chi^2 = 224.92 ################################# ****************************************** 1 σ constraints ****************************************** R_p_ref = 0.995 (+0.002) (-0.004) R_J log_g = 2.72 (+0.04) (-0.04) a1 = 1.17 (+0.52) (-0.57) a2 = 1.08 (+0.57) (-0.57) log_P1 = -4.34 (+2.83) (-2.39) log_P2 = -3.65 (+2.47) (-2.61) log_P3 = 0.36 (+1.08) (-1.31) T_ref = 617.0 (+197.2) (-120.6) K log_Na = -9.23 (+1.71) (-1.71) log_H2O = -4.11 (+0.53) (-0.49) log_CO2 = -4.88 (+0.69) (-0.70) log_a = -0.79 (+2.49) (-2.03) gamma = -11.57 (+6.87) (-5.43) log_P_cloud = -1.75 (+0.18) (-0.32) f_het = 0.21 (+0.12) (-0.11) T_het = 4755.9 (+48.2) (-201.1) K T_phot = 4890.7 (+39.5) (-41.4) K delta_rel = -162.13 (+30.21) (-29.89) ****************************************** 2 σ constraints ****************************************** R_p_ref = 0.995 (+0.005) (-0.046) R_J log_g = 2.72 (+0.07) (-0.07) a1 = 1.17 (+0.77) (-0.92) a2 = 1.08 (+0.86) (-0.87) log_P1 = -4.34 (+4.77) (-3.43) log_P2 = -3.65 (+4.26) (-3.97) log_P3 = 0.36 (+1.54) (-2.15) T_ref = 617.0 (+469.0) (-202.6) K log_Na = -9.23 (+3.02) (-2.57) log_H2O = -4.11 (+1.36) (-0.90) log_CO2 = -4.88 (+1.44) (-1.58) log_a = -0.79 (+4.51) (-2.99) gamma = -11.57 (+11.21) (-7.88) log_P_cloud = -1.75 (+0.31) (-2.32) f_het = 0.21 (+0.22) (-0.14) T_het = 4755.9 (+81.8) (-328.6) K T_phot = 4890.7 (+76.6) (-127.6) K delta_rel = -162.13 (+60.09) (-56.76) ****************************************** 3 σ constraints ****************************************** R_p_ref = 1.00 (+0.01) (-0.07) R_J log_g = 2.72 (+0.11) (-0.11) a1 = 1.17 (+0.83) (-1.11) a2 = 1.08 (+0.91) (-0.98) log_P1 = -4.34 (+5.90) (-3.65) log_P2 = -3.65 (+5.28) (-4.31) log_P3 = 0.36 (+1.64) (-2.35) T_ref = 617.0 (+826.1) (-258.0) K log_Na = -9.23 (+4.96) (-2.76) log_H2O = -4.11 (+2.17) (-1.25) log_CO2 = -4.88 (+2.19) (-5.13) log_a = -0.79 (+6.02) (-3.19) gamma = -11.57 (+13.31) (-8.40) log_P_cloud = -1.75 (+0.41) (-3.27) f_het = 0.21 (+0.28) (-0.15) T_het = 4755.9 (+103.2) (-420.9) K T_phot = 4890.7 (+137.3) (-203.7) K delta_rel = -162.13 (+91.37) (-93.32) ****************************************** 5 σ constraints ****************************************** R_p_ref = 1.00 (+0.01) (-0.10) R_J log_g = 2.72 (+0.15) (-0.13) a1 = 1.17 (+0.83) (-1.14) a2 = 1.08 (+0.92) (-1.05) log_P1 = -4.34 (+6.24) (-3.66) log_P2 = -3.65 (+5.51) (-4.34) log_P3 = 0.36 (+1.64) (-2.35) T_ref = 617.0 (+1319.4) (-299.7) K log_Na = -9.23 (+6.45) (-2.77) log_H2O = -4.11 (+2.81) (-1.69) log_CO2 = -4.88 (+3.24) (-7.10) log_a = -0.79 (+7.43) (-3.20) gamma = -11.57 (+13.55) (-8.43) log_P_cloud = -1.75 (+0.59) (-3.87) f_het = 0.21 (+0.29) (-0.17) T_het = 4755.9 (+112.2) (-812.1) K T_phot = 4890.7 (+168.6) (-284.8) K delta_rel = -162.13 (+152.86) (-133.48) ****************************************** Best-fitting parameters ****************************************** R_p_ref = 0.996 R_J log_g = 2.70 a1 = 1.45 a2 = 0.12 log_P1 = -5.99 log_P2 = -2.44 log_P3 = 0.34 T_ref = 499.1 K log_Na = -7.49 log_H2O = -4.00 log_CO2 = -5.25 log_a = -2.20 gamma = -0.97 log_P_cloud = -1.67 f_het = 0.36 T_het = 4790.7 K T_phot = 4880.2 K delta_rel = -146.01