Radio occultation of Jupiter's ring - Bounds on optical depth and particle size and a comparison with infrared and optical results

Details Radio occultation of Jupiter's ring - Bounds on optical depth and particle size and a comparison with infrared and optical results Radio occultation of Jupiter's ring - Bounds on optical depth and particle size and a comparison with infrared and optical results

Sep 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jgr....86.8699t&link_type=abstract

Journal of Geophysical Research, vol. 86, Sept. 30, 1981, p. 8699-8703. NASA-supported research

Astronomy and Astrophysics

Astronomy

11

Jupiter Rings, Optical Thickness, Particle Size Distribution, Radio Occultation, Spacecraft Communication, Voyager 1 Spacecraft, Electromagnetic Scattering, Infrared Astronomy, Power Spectra, Radio Astronomy, Spaceborne Astronomy, Jupiter, Radio Occultations, Rings, Optical Properties, Depth, Particles, Size, Comparisons, Infrared, Wavelengths, Voyager 1, Thickness, Density, Models, Absorption, Scattering, Refractive Index, Analysis, Amplitude, Data, Geometry, Frequencies, Distribution

Scientific paper

A comparison of Voyager 1 data of the Jovian ring at radio, infrared and optical wavelengths suggests a population density that either falls more rapidly than the inverse square of the linear size, or is sharply bounded in maximum particle size. A fragmentation power law is used to estimate a minimum particle radius of 1-2 microns, and a specific model is developed which consists of a power law distribution of lossless or slightly absorbent Mie scatterers with a refractive index near 1.62, a power law index of -3.5, and a minimum particle size of 1.5 microns. The maximum particle radius is not critical, provided that it is greater than 4 microns, and the power law polydispersion of lossless or low absorbent Mie scatterers is consistent with previously reported observations as long as the parameter size minimum is 20 and the power index is about -3.5.

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