Saturn's E ring as seen by Cassini

Details Saturn's E ring as seen by Cassini Saturn's E ring as seen by Cassini

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufm.p31d..05k&link_type=abstract

American Geophysical Union, Fall Meeting 2005, abstract #P31D-05

Physics

6015 Dust, 6275 Saturn

Scientific paper

The Cosmic Dust Analyzer (CDA) onboard the Cassini mission measures the properties of micron sized dust particles in the environment of Saturn. Since its arrival at Saturn in July 2004, the CDA detector recorded many thousand dust impacts within the E ring of Saturn. Data analysis revealed enhanced dust densities until a radial distance of at least 16 Saturn radii. The dust densities and the mass distribution of the ring particles is investigated. Furthermore, compositional measurements indicate a clear dominance of water ice particles in the size range between 0.5 and 2 micro meter. Dust charge measurements are in agreement with Cassini plasma measurements. The discovery of the extended E ring changes the former understanding and modeling based on remote sensing observations. The dust rate measurements during the Enceladus flyby on July 14, 2005, support a strong active dust source on the southern hemisphere of Enceladus.

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