Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989icar...80...77b&link_type=abstract
Icarus (ISSN 0019-1035), vol. 80, July 1989, p. 77-103.
Astronomy and Astrophysics
Astronomy
34
Clouds, Radio Astronomy, Radio Observation, Saturn Atmosphere, Absorptivity, Ammonia, Atmospheric Models, Brightness Temperature, Centimeter Waves, Decimeter Waves, Hydrogen Sulfide, Very Large Array (Vla), Water, Wind Profiles, Saturn, Radio Methods, Atmosphere, Clouds, Structure, Depth, Abundance, Theoretical Studies, Models, Ammonia, Water, Hydrogen Sulfide, Absorption, Opacity, Wavelengths, Brightness, Temperature, Spectra, Mixing Ratio, Radiometry, Earth-Based Observations, Calculations, Winds, Vapor P
Scientific paper
Theoretical models have been developed for the NH3-H2S-H2O cloud decks of Saturn with a view to their effect on atmospheric radio-opacity in the 1.3-70 cm wavelength range. The disk-averaged brightness temperatures obtained are in broad agreement with those previously reported in the literature but possess higher certainty, thereby improving discrimination between models. The radio-brightness spectrum can be satisfactorily fit if the deep-atmosphere ammonia mixing ratio is about 3 times that inferred from solar elemental abundances and if H2S is present in an amount 10 times greater than the solar value.
Briggs Frank H.
Sackett Penny D.
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