Gas and dust in some recent periodic comets

Details Gas and dust in some recent periodic comets Gas and dust in some recent periodic comets

Apr 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979aj.....84..570a&link_type=abstract

Astronomical Journal, vol. 84, Apr. 1979, p. 570-579.

Other

39

Astronomical Photometry, Carbon, Comets, Cosmic Dust, Cosmic Gases, Abundance, Grigg-Skjellerup Comet, Size Determination, Gases, Dust, Comets, Photometry, Flux, Chernykh, Comet, Carbon, D'Arrest, Grigg-Skjellerup, Encke, Colors, Cyanogen Radical, Carbon Radical, Periodic Comets

Scientific paper

Results are presented for narrow-band photometry of four recent periodic comets. The observed fluxes are used to estimate carbon radical production rates, gas-to-dust ratios, and the colors of the dust grains. It is found that in most respects the periodic comets exhibit the same range of properties typical of parabolic comets. Comet P/Chernykh is one of the dustiest comets on record, and its dust is physically different from that of the other comets considered. A correlation between the gas-to-dust ratio and the color of the grains is tentatively proposed. The need for homogeneous data on a large number of comets is emphasized.

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