Computer Science – Sound
Scientific paper
Jan 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...211..294o&link_type=abstract
Astrophysical Journal, vol. 211, Jan. 1, 1977, pt. 1, p. 294-299.
Computer Science
Sound
12
Abundance, Atomic Spectra, Kohoutek Comet, Rocket Sounding, Ultraviolet Spectra, Astronomical Spectroscopy, Carbon, Flow Velocity, Gas Evolution, Hydrogen Atoms, Mass Ratios, Oxygen Atoms, Photoionization
Scientific paper
Data obtained during sounding-rocket observations of the 1304-A atomic oxygen resonance line and the 1657-A atomic carbon resonance line in the coma of comet Kohoutek are reduced, and production rates are derived for both species. Isodensity contour plots and radial brightness plots are constructed; scale lengths and luminosities are determined for the O and C comas at a heliocentric distance of 0.43 AU. Computations yield production rates of 1.47 by 10 to the 29th power atoms/sec for O and 8.6 by 10 to the 28th power atoms/sec for C. Potential sources of error are noted, and problems of fitting the data to the water-ice clathrate model of the nucleus are discussed. The results indicate that carbon in some form or forms was a major constituent of the comet and that the O/C ratio was about 2, in agreement with analyses of the composition of carbonaceous chondrites and solar abundances in general.
Carruthers George R.
Opal Chet B.
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