Perturber m m_a(Da) m_p(Da) d_a(pm) d_p(pm) LW(cm-1 atm-1)_296K T_min(K) KF 4 58.10 58.10 223.53 223.53 0.0192 326 Ar 10 58.10 39.95 223.53 333.00 0.0206 198 CH4 10 58.10 16.05 223.53 380.00 0.0332 214 CO 4 58.10 28.01 223.53 376.00 0.0428 181 CO2 6 58.10 44.01 223.53 330.00 0.0237 255 H2 6 58.10 2.02 223.53 292.00 0.0738 107 H2O 4 58.10 18.02 223.53 265.00 0.0333 274 He 10 58.10 4.00 223.53 258.00 0.0387 57 N2 6 58.10 28.02 223.53 368.00 0.0312 166 NH3 4 58.10 17.04 223.53 260.00 0.0333 244 NO 4 58.10 30.01 223.53 317.00 0.0340 206 O2 6 58.10 32.00 223.53 346.00 0.0277 189