Submillimeter Studies of Comets

Details Submillimeter Studies of Comets Submillimeter Studies of Comets

Mar 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002stin...0239026j&link_type=abstract

Technical Report, Hawaii Univ. Honolulu, HI United States Inst. for Astronomy

Astronomy and Astrophysics

Astronomy

Comets, Submillimeter Waves, Space Observations (From Earth), Interplanetary Dust, Deuterium, Grain Size, Hale-Bopp Comet

Scientific paper

This proposal supported observations of comets at submillimeter wavelengths. The prime science objectives were to use rotational transitions in molecules to measure the compositions and outgassing rates of the comets. The second science objectives focussed on the use of the submillimeter continuum radiation to provide a measure of the solid particle content and production rate in the comets. Both quantities provide fundamental constraints on the nature of these primitive bodies. The gas and dust measurements provide context for NASA's on-going and future studies of comets using in-situ spacecraft. Submillimeter continuum data, in particular, samples the largest particles in the cometary dust grain size distribution. These particles contain the bulk of the mass and present potential hazards to spacecraft when inside the dust coma.

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