Computer Science
Scientific paper
Dec 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984icar...60..640k&link_type=abstract
Icarus (ISSN 0019-1035), vol. 60, Dec. 1984, p. 640-653.
Computer Science
4
Atmospheric Composition, Hydrogen, Jupiter Atmosphere, Planetary Composition, Iue, Line Spectra, Lyman Alpha Radiation, Methane, Night Sky, Particle Precipitation, Radiative Transfer, Voyager 1 Spacecraft, Voyager 2 Spacecraft
Scientific paper
The Lyman-alpha intensities measured by Voyagers 1 and 2 and by the IUE are used as the bases of deductions for the distribution of atomic hydrogen in the Jovian atmosphere, under the assumption that the sources of the dayside Lyman alpha include resonance scattering of solar Lyman alpha, resonance scattering of the interplanetary Lyman-alpha radiation, and direct excitation by charged particles. The daytime equation of radiative transfer is solved to determine the longitudinal distribution of freely scattering atomic hydrogen that would account for the observed flux. This solution indicates that if the hydrogen bulge is due to localized heating and a consequent increase in scale height, the perturbed region temperature must be about 100 K warmer than that in the normal region. The H distribution derived from the dayside solution is used with the nightside flux to estimate the longitude variation of particle precipitation on the nightside.
Chamberlain Joseph W.
Killen Rosemary Margaret
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