Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007dps....39.2608l&link_type=abstract
American Astronomical Society, DPS meeting #39, #26.08; Bulletin of the American Astronomical Society, Vol. 39, p.462
Astronomy and Astrophysics
Astronomy
1
Scientific paper
We present the results of a global simulation of an F ring like system with two perturbing moons similar to Prometheus and Pandora. The simulation included 50 million particles similar in size to that inferred for the upper end of the ring size distribution. The material begins the simulation as a circular ring with a broad Gaussian distribution in the radial direction. It collapses to form a narrow core on a short timescale through collisional mechanisms. This works extends earlier work that used a local cell and looked only at the perturbations due to a single moon. The moons in this simulation have masses, semimajor axes, and eccentricities similar to those observed for Prometheus and Pandora. We examine how the second perturbing moon alters features seen previously, and present slices through the simulation cell that mimic occultations of the simulated system.
Lewis Mark C.
Stewart Glen Robert
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