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A model of carbon production in a cometary comaA model of the cometary ionosphere is developed in order to account for the large population of metastable C(D-1) atoms detected via the ultraviolet spectrum of Comet West (1976 VI). Dissociative recombination of CO(plus) ions and electrons is shown to be the dominant source of carbon atoms rather than photodissociation of CO so that the derived carbon production rate is only a lower limit to the evaporation rate of the carbon bearing mother molecule.
Document ID
19790056162
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Feldman, P. D.
(CNRS, Service d'Aeronomie, Verrieres-le-Buisson, Essonne, France; Johns Hopkins University Baltimore, Md., United States)
Date Acquired
August 9, 2013
Publication Date
November 1, 1978
Publication Information
Publication: Astronomy and Astrophysics
Volume: 70
Issue: 4
Subject Category
Astrophysics
Accession Number
79A40175
Funding Number(s)
CONTRACT_GRANT: NGR-21-001-001
CONTRACT_GRANT: NSG-7382
Distribution Limits
Public
Copyright
Other

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