Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mnras.186..685m&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 186, Mar. 1979, p. 685-690. Research supported by the National Research
Astronomy and Astrophysics
Astronomy
21
Chemical Reactions, Clouds, Formaldehyde, Interstellar Gas, Carbon, Grains, Ionic Collisions, Oxides, Reaction Kinetics
Scientific paper
The observations of formaldehyde in diffuse interstellar clouds, together with estimates of its loss rates, are used to infer the necessary formation rate for formaldehyde in these clouds. None of the gas-phase formaldehyde formation mechanisms so far proposed can account for the observed abundances in diffuse clouds. Collisions of C(+) ions with small oxide grains, in a previously proposed mechanism, may, however, provide a sufficiently rapid pathway.
Duley Walter W.
Millar Thomas J.
Williams David. A.
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