The D and E rings of Saturn

Details The D and E rings of Saturn The D and E rings of Saturn

Dec 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978nascp2068..105s&link_type=abstract

In JPL The Saturn System p 105-111 (SEE N79-16758 07-91)

Computer Science

Brightness, Ccd Star Tracker, Optical Thickness, Particle Size Distribution, Saturn Rings, Luminous Intensity, Optical Reflection, Saturn Atmosphere, Trapped Particles

Scientific paper

CCD observations of Saturn ring D, discovered by Guerin in 1969, confirm the existence of this inner ring and indicate that its surface brightness ranges from 0.03 (inner edge) to 0.05 (outer edge) relative to the maximum surface brightness of ring B. If ring D is composed of spherical, diffusely reflecting particles with average surface reflectivity equal to that of the particles in ring B, the average normal optical thickness of ring D is 0.02. Reanalysis of a photograph taken by Feibelman during the 1966 ring plane passage suggests a normal optical thickness for ring E between -1 million and 10 to the minus 7 power, depending upon the average reflectivity of the particles. No new observations of this outer ring will be possible until the earth passes through the Saturn ring plane in 1979-80.

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