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AGU: Geophysical Research Letters

 

Index Terms

  • Planetary Sciences: Solar System Objects: Dust
  • Planetary Sciences: Fluid Planets: Rings and dust
  • Magnetospheric Physics: Magnetosphere interactions with satellites and rings
  • Planetary Sciences: Solar System Objects: Saturn
  • Planetary Sciences: Solar System Objects: Saturnian satellites

Abstract

GEOPHYSICAL RESEARCH LETTERS, VOL. 32, L06202, 4 PP., 2005
doi:10.1029/2004GL021842

Possible sources for the Saturnian dust streams

D. Maravilla

Departamento de Investigaciones Solares y Planetarias, Instituto de Geofísica, UNAM, Coyoacán, México

A. Flandes

Departamento de Investigaciones Solares y Planetarias, Instituto de Geofísica, UNAM, Coyoacán, México

In 1992 the Ulysses spacecraft discovered periodic dust streams escaping from the Jovian system. In 2000, M. Horanyi proposed that the escaping dust streams are not a particular feature of the Jovian system and predicted streams of dust particles escaping from Saturn as well. In this work we apply an analytical model, already applied to Jupiter (Maravilla et al., 1995), in order to analyze two possible and different sources: On the one hand the satellites Dione, Helene, Rhea and Enceladus; on the second, the A-ring outer boundary. Additionally, some general properties of the dust particles that compose these Saturnian streams, such as their radii and escaping speeds, are drawn.

Received 26 October 2004; accepted 23 February 2005; published 24 March 2005.

Citation: Maravilla, D., and A. Flandes (2005), Possible sources for the Saturnian dust streams, Geophys. Res. Lett., 32, L06202, doi:10.1029/2004GL021842.

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