Spectrally-resolved UV photodesorption of CH in pure and layered ices R. Dupuy, M. Bertin, G. Féraud, X. Michaut, P. Jeseck, M. Doronin, L. Philippe, C. Romanzin and J.-H. Fillion A&A, 603 (2017) A61 Published online: 06 July 2017 DOI: 10.1051/0004-6361/201730772