A reanalysis of Voyager UVS observations of Titan.

Details A reanalysis of Voyager UVS observations of Titan. A reanalysis of Voyager UVS observations of Titan.

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992esasp.338...69h&link_type=abstract

Symposium on Titan - as contribution to the 25th ESLAB Symposium, p. 69 - 74

Computer Science

2

Scientific paper

A recompilation of Voyager 1 Ultraviolet Spectrometer data from the encounter at Titan shows intriguing new spatial and spectral information. Spectra obtained from various regions of the sunlit disk display band emissions with differing spectral morphology. Scans across the dayside disk reveal spatial structure in the N2 band emissions. The brightest bands are at ≡1000 km altitude on the bright limb accompanied by competitive N+ 108.5 nm emission. A unique spectrum from the central dayside region displays bright N+ 67.0 nm emission associated with an enhancement in H Lyα. The data are consistent with a high altitude bright spot with dimensions from 400 to 900 km. A spectrum from the central darkside disk shows H Lyα with ≡50% of the dayside intensity. N2 band emissions observed on the darkside are an indication of a non-solar excitation mechanism in Titan's upper atmosphere.

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