Titan's atomic nitrogen torus - Inferred properties and consequences for the Saturnian aurora

Details Titan's atomic nitrogen torus - Inferred properties and consequences for the Saturnian aurora Titan's atomic nitrogen torus - Inferred properties and consequences for the Saturnian aurora

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987icar...72...53b&link_type=abstract

Icarus (ISSN 0019-1035), vol. 72, Oct. 1987, p. 53-61.

Computer Science

27

Auroras, Nitrogen Atoms, Planetary Environments, Satellite Atmospheres, Solar Planetary Interactions, Titan, Magnetic Field Configurations, Planetary Magnetic Fields, Planetary Magnetospheres, Toroidal Plasmas, Saturn, Satellites, Titan, Nitrogen, Torus, Auroras, Escape, Density, Ionization, Ions, Mass, Energy, Magnetosphere, Electrons, Emissions, Power, Magnetic Fields, Ultraviolet, Wavelengths, Precipitation, Calculations, Diagrams, Orbits, Models, Dynamics

Scientific paper

This paper follows up the lead suggested by Barbosa and Eviatar (1986) that Titanogenic nitrogen ions are a key component of the magnetospheric particle populations and can account for the energetics of the Saturnian aurora without undue assumptions. Nitrogen atoms resulting from electron impact dissociations of N2 (Strobel and Shemansky 1982) escape from Titan and form a large doughnut-shaped ring around the satellite's orbit that is cospatial with the McDonough-Brice (1973) hydrogen cloud. Processes attendant to the ionization and pickup of nitrogen ions include the production of a warm kiloelectronvolt electron population and the excitation of the UV aurora by particle precipitation from the outer magnetosphere.

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