Ion irradiation triggers the formation of the precursors of complex organics in space - The case of formaldehyde and acetaldehyde

Open Access

Fig. 2

Column density of CH₃OH during irradiation with 40–200 keV H+ in H₂O:CH₃OH:NH₃ normalized to the initial amount of methanol, (CH₃OH)i. The CH₃OH column density is estimated from the analysis of the 1025 cm⁻¹ band. Experimental data are fitted with an exponential curve y = e^−σD (dashed grey line).

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