Computer Science
Scientific paper
Jul 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981aeri.reptr....s&link_type=abstract
Annual Report, 15 Mar. 1980 - 31 May 1981 Atmospheric and Environmental Research, Inc., Cambridge, MA.
Computer Science
Atmospheric Models, Clouds, Io, Satellite Atmospheres, Saturn Rings, Titan, Cometary Atmospheres, Earth Magnetosphere, Line Spectra, Potassium, Saturn Atmosphere, Sodium, Toruses, Voyager Project
Scientific paper
Modeling capabilities and initial model calculations are reported for the peculiar directional features of the Io sodium cloud discovered by Pilcher and the extended atomic oxygen atmosphere of Io discovered by Brown. Model results explaining the directional feature by a localized emission from the satellite are encouraging, but as yet, inconclusive; whereas for the oxygen cloud, an escape rate of 1 to 2 x 10 to the 27th power atoms/sec or higher from Io is suggested. Preliminary modeling efforts were also initiated for the extended hydrogen ring-atmosphere of Saturn detected by the Voyager spacecraft and for possible extended atmospheres of some of the smaller satellites located in the E-ring. Continuing research efforts reported for the Io sodium cloud include further refinement in the modeling of the east-west asymmetry data, the asymmetric line profile shape, and the intersection of the cloud with the Io plasma torus. In addition, the completed pre-Voyager modeling of Titan's hydrogen torus is included and the near completed model development for the extended atmosphere of comets is discussed.
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