Fluorescence of water molecules in comets

Details Fluorescence of water molecules in comets Fluorescence of water molecules in comets

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ncgb.conf..149c&link_type=abstract

IN: Workshop on the Need for Coordinated Ground-Based Observations of Halley's Comet, Paris, France, April 29, 30, 1982, Proceed

Astronomy and Astrophysics

Astronomy

1

Astronomical Models, Coma, Cometary Atmospheres, Fluorescence, Water, Decay, Ground State, Molecular Collisions, Molecular Energy Levels, Molecular Excitation

Scientific paper

An attempt is made to estimate the excitation conditions of H2O within cometary atmospheres, in order to better prepare for the gathering of such information and its interpretation. Attention is given to H2O fluorescence in the lower rotational transitions which may be observable by sub-mm telescopes at high orbital altitudes. The fluorescene model presented does not predict any excitation of the H2O rotational lines previously observed in the interstellar medium, in agreement with recent failures to detect the 22 GHz line in comets.

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