Spectrum MIR absorbance spectrum of CO ice formed at 25 K with a deposition rate of 0.04 nm.s-1 - Thickness = 90 nm Spectrum MIR absorbance spectrum of CO ice formed at 25 K with a deposition rate of 0.04 nm.s-1 - Thickness = 190 nm Spectrum MIR absorbance spectrum of CO ice formed at 25 K with a deposition rate of 0.04 nm.s-1 - Thickness = 280 nm Spectrum MIR absorbance spectrum of CO ice formed at 25 K with a deposition rate of 0.04 nm.s-1 - Thickness = 360 nm Spectrum MIR absorbance spectrum of CO ice formed at 25 K with a deposition rate of 0.04 nm.s-1 - Thickness = 440 nm Spectrum MIR absorbance spectrum of CO ice formed at 25 K with a deposition rate of 0.04 nm.s-1 - Thickness = 520 nm