Evaporation of ices from Comet West

Details Evaporation of ices from Comet West Evaporation of ices from Comet West

Jul 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977aj.....82..518a&link_type=abstract

Astronomical Journal, vol. 82, July 1977, p. 518-524. Research supported by the University of Maryland;

Astronomy and Astrophysics

Astronomy

27

Comet Nuclei, Evaporation Rate, Ice, Visual Photometry, Abundance, Carbon Compounds, Cyanides, Gas Analysis, Hydroxides, Interplanetary Dust, Light Curve, Radiant Flux Density, Solar Orbits

Scientific paper

Postperihelion narrow-band filter photometry has been used to derive gas and dust production rates for Comet West. For heliocentric distances less than 1.25 AU, C2 and CN vary as the -2.8 power of distance, while C3 and OH (based on published measurements) vary as -2.1 power. C3 production closely parallels dust production. It is concluded that OH and C3 parents are produced at the nucleus, while CN and C2 parents are produced from the icy-grain halo. It is also found that Comet West is one of the dustiest and most productive of the recent comets, being exceeded only by Comet Bennett.

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