15 years of comet photometry: A comparative analysis of 80 comets

Details 15 years of comet photometry: A comparative analysis of 80 comets 15 years of comet photometry: A comparative analysis of 80 comets

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acm..proc..443o&link_type=abstract

In Lunar and Planeraty Inst., Asteroids, Comets, Meteors 1991 p 443-445 (SEE N93-19113 06-90)

Astronomy and Astrophysics

Astronomy

2

Astronomical Photometry, Chemical Composition, Comets, Abundance, Carbon, Cyanogen, Dust, Nitrogen Hydrides, Taxonomy

Scientific paper

In 1976 we began a program of narrowband photometry of comets that has encompassed well over 400 nights of observations. To date, the program has provided detailed information on 80 comets, 11 of which have been observed on multiple apparitions. In this paper we present the observed range of compositions (molecular production rate ratios) and dustiness (gas production compared with AF-rho) for a well sampled group of comets. Based on these results we present preliminary analysis of taxonomic groupings as well as the abundance ratios we associate with a 'typical' comet.

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