The 3-micrometer ice band in Taurus - Implications for interstellar chemistry

Details The 3-micrometer ice band in Taurus - Implications for interstellar chemistry The 3-micrometer ice band in Taurus - Implications for interstellar chemistry

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.209..955j&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 209, Aug. 15, 1984, p. 955-960.

Astronomy and Astrophysics

Astronomy

58

Ice, Interstellar Chemistry, Interstellar Matter, Molecular Clouds, Nebulae, Ammonia, Hydrogen Clouds, Oxygen Atoms, Spectral Bands, Surface Reactions

Scientific paper

Observations of the ice band in the Taurus molecular cloud are shown to require the formation of ice by surface reactions between oxygen atoms and hydrogen. Reactions with a variety of species lead to a mantle with H2O : NH3 composition which is consistent with that deduced from profile fitting the observed feature. Mantle loss from warm grains or by sputtering in shocks makes a substantial contribution to interstellar molecular abundances, confirming the importance for interstellar chemistry of surface reactions in addition to gas phase networks.

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