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Atomic carbon emission from photodissociation of CO2Atomic carbon fluorescence, C I 1561, 1657, and 1931 A, has been observed from photodissociation of CO2, and the production cross sections have been measured. A line emission source provided the primary photons at wavelengths from threshold to 420 A. The present results suggest that the excited carbon atoms are produced by total dissociation of CO2 into three atoms. The cross sections for producing the O I 1304-A fluorescence through photodissociation of CO2 are found to be less than 0.01 Mb in the wavelength region from 420 to 835 A. The present data have implications with respect to photochemical processes in the atmospheres of Mars and Venus.
Document ID
Document Type
Reprint (Version printed in journal)
Wu, C. Y. R.
(University of Southern California Los Angeles, CA, United States)
Phillips, E.
(University of Southern California Los Angeles, CA, United States)
Lee, L. C.
(University of Southern California Los Angeles, CA, United States)
Judge, D. L.
(Southern California, University Los Angeles, Calif., United States)
Date Acquired
August 9, 2013
Publication Date
October 1, 1978
Publication Information
Publication: Journal of Geophysical Research
Volume: 83
Subject Category
Lunar And Planetary Exploration
Accession Number
Funding Number(s)
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