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Revista mexicana de astronomía y astrofísica
Print version ISSN 0185-1101
Abstract
MARAVILLA, D. and LEAL-HERRERA, J. L.. The Saturnian G ring: a short note about its formation. Rev. mex. astron. astrofis [online]. 2014, vol.50, n.2, pp.341-347. ISSN 0185-1101.
In this paper we examine the formation of the Saturnian G ring by considering the motion of dust launched from the surface of Aegaeon. Those particles are ejected from the satellite surface by impacts between the interplanetary meteoroids and the satellite. The gravito-electrodynamic model we use involves only two forces (gravitational and Lorentz), and its solutions show the confinement (capture) and the escape regimes of dust in the vicinity of Aegaeon. The results for the captured dust size show submicron and nanometric dust populations. In addition, the Larmor radius of captured dust particles near Aegaeon was calculated and the results are in good agreement with the G-ring radial extent.
Keywords : meteorites; meteors; meteoroids; planets and satellites [individual (Saturn)]; planets and satellites [rings].