Extreme ultraviolet observations from Voyager 1 encounter with Saturn

Details Extreme ultraviolet observations from Voyager 1 encounter with Saturn Extreme ultraviolet observations from Voyager 1 encounter with Saturn

Apr 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981sci...212..206b&link_type=abstract

Science, vol. 212, Apr. 10, 1981, p. 206-211.

Astronomy and Astrophysics

Astronomy

242

Extreme Ultraviolet Radiation, H Lines, Lyman Alpha Radiation, Saturn Atmosphere, Ultraviolet Astronomy, Voyager Project, Atmospheric Composition, Atmospheric Radiation, Solar Flux, Titan, Occultations, Dayglow, Temperatures, Data, Spectrum, Wavelengths, Brightness, Distance, Saturn, Voyager 1, Observations, Ultraviolet, Hydrogen, Lyman-Alpha Radiation, Emissions, Solar Flux, Auroras, Comparisons, Ions, Magnetosphere, Rings, Toruses, Nitrogen, Satellites, Titan, Plasmasphere, Atmosphere, Particles, Absorpti

Scientific paper

Hydrogen Lyman-alpha, helium and molecular hydrogen band ultraviolet emissions from Saturn and the Titan atmosphere are considered. The Saturn H2 band excitation mechanism, while qualitatively similar to that of Jupiter, is closely related to the solar flux. The occurrence of auroras at 80 deg latitude suggests an earth-like magnetotail activity. No ion emissions have been detected from the Saturn magnetosphere. Although nitrogen emissions excited by particles have been detected in the Titan dayglow and bright limb scans, no such emission has been detected from its dark atmosphere. Enhancement of the nitrogen emission is observed in the region of interaction between Saturn's corotating plasmasphere and the Titan atmosphere.

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