Ψ*************************************Ψ Ψ#####################################Ψ Ψ##### #####Ψ Ψ##### POSEIDON Retrieval Output #####Ψ Ψ##### #####Ψ Ψ#####################################Ψ Ψ*************************************Ψ ################################# PLANET: HAT-P-18b_phot_2s Model: p_two_spots ################################# 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 = 20 N_live = 500 evidence_tol = 0.5 ################################# Model Bayesian evidence: -> ln Z = 983.86 +/- 0.21 ################################# Best reduced chi-square: -> chi^2_red = 1.96 -> degrees of freedom = 114 -> chi^2 = 223.26 ################################# ****************************************** 1 σ constraints ****************************************** R_p_ref = 0.995 (+0.002) (-0.003) R_J log_g = 2.72 (+0.04) (-0.04) a1 = 1.14 (+0.56) (-0.54) a2 = 1.10 (+0.54) (-0.56) log_P1 = -4.28 (+2.75) (-2.38) log_P2 = -3.59 (+2.27) (-2.76) log_P3 = 0.30 (+1.12) (-1.21) T_ref = 602.5 (+168.2) (-110.7) K log_Na = -9.07 (+1.63) (-1.80) log_H2O = -4.10 (+0.48) (-0.46) log_CO2 = -4.89 (+0.68) (-0.65) log_a = -0.86 (+2.48) (-2.01) gamma = -11.19 (+6.95) (-5.64) log_P_cloud = -1.73 (+0.17) (-0.30) f_spot = 0.29 (+0.12) (-0.14) f_fac = 0.05 (+0.06) (-0.03) T_spot = 4771.0 (+40.3) (-134.6) K T_fac = 5084.6 (+186.4) (-137.4) K T_phot = 4913.8 (+30.1) (-39.8) K delta_rel = -158.71 (+31.95) (-30.68) ****************************************** 2 σ constraints ****************************************** R_p_ref = 0.995 (+0.004) (-0.028) R_J log_g = 2.72 (+0.07) (-0.07) a1 = 1.14 (+0.81) (-0.88) a2 = 1.10 (+0.84) (-0.89) log_P1 = -4.28 (+4.54) (-3.46) log_P2 = -3.59 (+4.12) (-4.09) log_P3 = 0.30 (+1.60) (-2.03) T_ref = 602.5 (+388.1) (-192.9) K log_Na = -9.07 (+2.72) (-2.73) log_H2O = -4.10 (+1.08) (-0.83) log_CO2 = -4.89 (+1.46) (-1.41) log_a = -0.86 (+4.42) (-2.93) gamma = -11.19 (+11.32) (-8.27) log_P_cloud = -1.73 (+0.29) (-1.73) f_spot = 0.29 (+0.19) (-0.20) f_fac = 0.05 (+0.14) (-0.05) T_spot = 4771.0 (+69.4) (-313.0) K T_fac = 5084.6 (+391.8) (-210.8) K T_phot = 4913.8 (+58.7) (-99.8) K delta_rel = -158.71 (+59.68) (-57.93) ****************************************** 3 σ constraints ****************************************** R_p_ref = 1.00 (+0.01) (-0.07) R_J log_g = 2.72 (+0.12) (-0.12) a1 = 1.14 (+0.86) (-1.06) a2 = 1.10 (+0.90) (-1.03) log_P1 = -4.28 (+5.72) (-3.70) log_P2 = -3.59 (+5.12) (-4.39) log_P3 = 0.30 (+1.69) (-2.29) T_ref = 602.5 (+723.9) (-247.6) K log_Na = -9.07 (+4.31) (-2.92) log_H2O = -4.10 (+2.08) (-1.09) log_CO2 = -4.89 (+2.08) (-5.78) log_a = -0.86 (+5.69) (-3.12) gamma = -11.19 (+13.06) (-8.76) log_P_cloud = -1.73 (+0.39) (-3.12) f_spot = 0.29 (+0.21) (-0.22) f_fac = 0.05 (+0.25) (-0.05) T_spot = 4771.0 (+95.6) (-419.0) K T_fac = 5084.6 (+587.8) (-330.4) K T_phot = 4913.8 (+99.2) (-227.7) K delta_rel = -158.71 (+98.92) (-83.79) ****************************************** 5 σ constraints ****************************************** R_p_ref = 1.00 (+0.01) (-0.10) R_J log_g = 2.72 (+0.14) (-0.14) a1 = 1.14 (+0.86) (-1.10) a2 = 1.10 (+0.90) (-1.06) log_P1 = -4.28 (+6.05) (-3.72) log_P2 = -3.59 (+5.29) (-4.40) log_P3 = 0.30 (+1.70) (-2.30) T_ref = 602.5 (+1205.9) (-282.6) K log_Na = -9.07 (+6.11) (-2.93) log_H2O = -4.10 (+2.87) (-1.55) log_CO2 = -4.89 (+3.04) (-7.11) log_a = -0.86 (+8.10) (-3.13) gamma = -11.19 (+13.19) (-8.80) log_P_cloud = -1.73 (+0.49) (-4.12) f_spot = 0.29 (+0.21) (-0.26) f_fac = 0.05 (+0.32) (-0.05) T_spot = 4771.0 (+117.9) (-586.6) K T_fac = 5084.6 (+654.9) (-445.5) K T_phot = 4913.8 (+167.8) (-324.3) K delta_rel = -158.71 (+170.93) (-133.96) ****************************************** Best-fitting parameters ****************************************** R_p_ref = 0.997 R_J log_g = 2.67 a1 = 0.18 a2 = 1.06 log_P1 = -6.61 log_P2 = -3.28 log_P3 = -0.14 T_ref = 684.1 K log_Na = -11.42 log_H2O = -4.65 log_CO2 = -5.34 log_a = 3.61 gamma = -18.37 log_P_cloud = -1.68 f_spot = 0.43 f_fac = 0.06 T_spot = 4786.0 K T_fac = 5351.2 K T_phot = 4933.7 K delta_rel = -169.27