The Structure of Sharp Edges in Saturn's Rings

Details The Structure of Sharp Edges in Saturn's Rings The Structure of Sharp Edges in Saturn's Rings

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008dps....40.2906c&link_type=abstract

American Astronomical Society, DPS meeting #40, #29.06; Bulletin of the American Astronomical Society, Vol. 40, p.443

Astronomy and Astrophysics

Astronomy

1

Scientific paper

The Cassini Ultraviolet Imaging Spectrograph has observed more than 80 occultations of stars by Saturn's rings with a typical ring plane radial resolution of 20 m. Because the occultations occur at a variety of incidence angles with respect to the ring plane, light curves from different occultations can be combined to reveal the vertical and radial distribution of ring particles on small spatial scales. We apply this technique to abrupt edges in the rings. We measure the vertical thickness of some optically thick rings, such as the Huygens ringlet in the Cassini Division, to be only 5 m, consistent with measures of ring thickness inferred from the damping length of density waves. We will present results on ring thickness for all sharp-edged rings.

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