Vaporization in Comets; outbursts from Comet Schwassmann-Wachmann 1

Details Vaporization in Comets; outbursts from Comet Schwassmann-Wachmann 1 Vaporization in Comets; outbursts from Comet Schwassmann-Wachmann 1

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982icar...50...53c&link_type=abstract

Icarus, vol. 50, Apr. 1982, p. 53-62. Research supported by the University of Oklahoma;

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27

Bursts, Carbon Monoxide, Comet Nuclei, Ice Nuclei, Schwassmann-Wachmann Comet, Vaporizing, Kinetic Energy, Thermodynamic Equilibrium

Scientific paper

Revised estimates are presented which show that the total mass and kinetic energy in a typical Comet P/Schassmann-Wachmann 1 outburst are lower than previously estimated, and that this mass is comparable to the mass of gas vaporized, as inferred from recent observations of CO(+) in this comet. The storage of energy suggested by many authors is therefore not neccessary. A simple equilibrium vaporization of CO2 or CO which is suddenly exposed, on a nucleus that is otherwise primarily composed of H2O, is proposed. Under these conditions, calculations of the variation of vaporization with rotational phase indicate that the mechanism can quantitatively produce outbursts of the size observed.

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