Molecular hydrogen abundance on water ice grain mantles in dark clouds. >From experimental results to interstellar medium.

Details Molecular hydrogen abundance on water ice grain mantles in dark clouds. >From experimental results to interstellar medium. Molecular hydrogen abundance on water ice grain mantles in dark clouds. >From experimental results to interstellar medium.

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sf2a.conf..397m&link_type=abstract

SF2A-2005: Semaine de l'Astrophysique Francaise, meeting held in Strasbourg, France, June 27 - July 1, 2005, Edited by F. Casoli

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

We use experimental results for the binding energies of molecular hydrogen on ice film to calculate the residence time of adsorbed molecules on water ice surface. With the assumption of thermodynamical equilibrium and steady state, we extend these results to dark clouds conditions. We give the ratio of molecular hydrogen adsorbed on surface toward water in mantles.

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