The formation of CO${}_2$ through consumption of gas-phase CO on vacuum-UV irradiated water ice

J. Terwisscha van Scheltinga, N. F. W. Ligterink, A. D. Bosman +2

[Abridged] Observations of protoplanetary disks suggest that they are depleted in gas-phase CO. It has been posed that gas-phase CO is chemically consumed and converted into less v…