The rings of Saturn - New near-infrared reflectance measurements and a 0.326-4.08 micron summary

Details The rings of Saturn - New near-infrared reflectance measurements and a 0.326-4.08 micron summary The rings of Saturn - New near-infrared reflectance measurements and a 0.326-4.08 micron summary

Aug 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980icar...43..161c&link_type=abstract

Icarus, vol. 43, Aug. 1980, p. 161-168.

Other

11

Infrared Spectra, Near Infrared Radiation, Saturn Rings, Spectral Reflectance, Ice, Infrared Absorption, Infrared Reflection, Visible Spectrum, Saturn, Rings, Infrared, Reflectance, Photometry, Spectrum, Ice, Absorption, Iron, Minerals, Observations, Parameters, Geometry, Data, Wavelengths, Comparisons, Light (Visible Radiation)

Scientific paper

A new high-photometric-precision reflectance spectrum of Saturn's rings covering the spectral region 0.65 to 2.5 microns is presented and three previously unreported absorption features at 1.25, 0.85, and probably 1.04 microns are identified. The 1.25- and 1.04 micron absorptions are due to water ice. The 0.85 microns feature may be due to a combination of 0.81- and 0.90 micron ice absorptions but this feature appears too strong relative to the 1.04 micron band to be completely explained by water ice. Another possibility is that the 0.85 micron band is due to Fe(3+)-bearing minerals in an ice-mineral mixture. This explanation could also account for the drop in the visible and ultraviolet reflectance and the rise in reflectance around 3.6 microns. Finally, a composite spectrum from 0.325 to 4.08 is presented which will be useful for future analysis and laboratory studies.

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