Vertical structure of the ionosphere and upper neutral atmosphere of Saturn from the Pioneer radio occultation

Details Vertical structure of the ionosphere and upper neutral atmosphere of Saturn from the Pioneer radio occultation Vertical structure of the ionosphere and upper neutral atmosphere of Saturn from the Pioneer radio occultation

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980sci...207..446k&link_type=abstract

Science, vol. 207, Jan. 25, 1980, p. 446-449.

Computer Science

14

Atmospheric Composition, Planetary Atmospheres, Radio Occultation, Saturn (Planet), Flyby Missions, Ionospheric Electron Density, Pioneer 11 Space Probe, Planetary Ionospheres, Upper Atmosphere, Zenith, Saturn, Ionosphere, Atmosphere, Pioneer 11, Radio Occultations, S Bands, Analysis, Density, Altitude, Pressure, Structure, Data, Temperatures, Comparisons, Models, Helium, Electrons, Infrared Radiometer

Scientific paper

Radio occultation measurements at S band (2.293 GHz) of the ionosphere and upper neutral atmosphere of Saturn were obtained during the flyby of the Pioneer 11 Saturn spacecraft in September 1979. Preliminary analysis of the occultation exit data taken at a latitude of 9.5 deg S and a solar zenith angle of 90.6 deg, revealed the presence of a rather thin ionosphere. It contained a main peak electron density of about 9.4 times 10 to the third/ccm at an altitude of about 2800 above the level of a neutral number density of 10 to the 19th/ccm and a lower peak of about 7000/ccm at 2200 km. Data in the neutral atmosphere were obtained to a pressure level of 120 millibars.

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