A fast machine learning tool to predict the composition of interstellar ices from infrared absorption spectra

Open Access

Table I.1

Column densities obtained by the automatic band integrator included within AICE.

molecule	column density (10¹⁸ cm⁻²)

	NIR38	J110621
H₂O (%)	7.0878 ± 0.0011	9.0 ± 0.3
CO (%)	2.007 ± 0.008	2.86 ± 0.10
CO₂ (%)	1.238 ± 0.020	${1.6}_{- 0.2}^{+ 0.5}$ $\[1.6_{-0.2}^{+0.5}\]$
CH₃OH (%)	${0.81}_{- 0.05}^{+ 0.07}$ $\[0.81_{-0.05}^{+0.07}\]$	${1.2}_{- 0.3}^{+ 0.8}$ $\[1.2_{-0.3}^{+0.8}\]$
NH₃ (%)	${0.34}_{- 0.03}^{+ 0.04}$ $\[0.34_{-0.03}^{+0.04}\]$	${0.31}_{- 0.05}^{+ 0.08}$ $\[0.31_{-0.05}^{+0.08}\]$
CH₄ (%)	${0.171}_{- 0.007}^{+ 0.008}$ $\[0.171_{-0.007}^{+0.008}\]$	${0.211}_{- 0.011}^{+ 0.011}$ $\[0.211_{-0.011}^{+0.011}\]$

Note. The band strengths used to scale the integrated area are the ones shown in Table D.1, reported by Bouilloud et al. (2015).

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