Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980georl...7..963s&link_type=abstract
Geophysical Research Letters, vol. 7, Nov. 1980, p. 963-966.
Astronomy and Astrophysics
Astronomy
8
Io, Planetary Surfaces, Reflectance, Spectrophotometry, Sulfur Dioxides, Ultraviolet Astronomy, Voyager 1 Spacecraft, Astronomical Spectroscopy, Sulfur, Surface Properties, Ultraviolet Reflection, Ultraviolet Spectra, Jupiter, Satellites, Io, Spectrophotometry, Voyager 1, Spectrum, Data, Ultraviolet, Reflectance, Sulfur, Sulfur Dioxide, Frost, Temperatures, Wavelengths, Surface, Comparisons
Scientific paper
Multispectral images of Io acquired with the Voyager 1 narrow-angle camera agree with earth-based spectrophotometry to better than 10%. Although the surface materials have general spectral properties similar to various allotropes of sulfur, their ultraviolet (UV) reflectances are much higher. It is likely that varying amounts of SO2 frost mixed with or absorbed on sulfur-rich materials raises the UV reflectance. The possible association with large amounts of SO2 with low temperature forms of sulfur in the white patches on Io is consistent with Io surface models in which SO2 and S exist in thermally stable stratified zones.
Avis Charles C.
Clancy Trevor
Cook Alan
Danielson Eric
Gradie Jonathan
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