Physics
Scientific paper
May 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sptz.prop40840v&link_type=abstract
Spitzer Proposal ID #40840
Physics
Scientific paper
We request a modest amount of time to conduct a speculative program to search for an extended dust structure in the saturnian system with an origin associated with the satellite Phoebe. Under the influence of Poynting-Robertson drag and dynamical interaction, particles originating from Phoebe will uniformly populate a large toridal region around Saturn. Phoebe can be a source of such particles both through meteoric bombardment and intrinsic ``cometary'' activity. This proposal explores the likelihood that recent (within 10 million years) events on Phoebe could produce a dust structure surrounding Saturn that is detectable by Spitzer with contrast above the zodiacal background in less than 4 hours of observation.
Hamilton Douglas
Skrutskie Michael
Verbiscer Anne
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