Structure and particle properties of Saturn's E Ring

Details Structure and particle properties of Saturn's E Ring Structure and particle properties of Saturn's E Ring

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991icar...94..451s&link_type=abstract

Icarus (ISSN 0019-1035), vol. 94, Dec. 1991, p. 451-473.

Astronomy and Astrophysics

Astronomy

94

Particle Size Distribution, Planetary Structure, Saturn Rings, Astronomical Photometry, Charge Coupled Devices, Satellite Imagery, Three Dimensional Models, Voyager Project

Scientific paper

The present systematic reanalysis of a substantial portion of extant photometric data on the Saturn E Ring has calibrated every observation on the basis of a common 3D model. A simple power-law model is found to describe the ring's normal optical depth profile with orbital radius; this trend is departed from, however, near the density peak, where there emerges a 30-percent localized decrease in thickness. No power-law size distribution is found to be compatible with available photometry. The peculiar size distribution points to a ring origin in a process that was not collisional or disruptive.

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