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Erratum : Voyager Color Photometry of Saturn's Main Rings

Author
Showalter, Mark R.
Published
[2002].
Physical Description
1 electronic document
Additional Creators
DeVincenzi, Donald, Estrada, Paul R., and Cuzzi, Jeffrey N.
Online Version

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Summary
We correct a calibration error in our earlier analysis of Voyager color observations of Saturn's main rings at 14 deg phase angle and present thoroughly revised and reanalyzed radial profiles of the brightness of the main rings in Voyager G, V, and UV filters, and ratios of these brightnesses. These results are consistent with more recent HST results at 6 deg phase angle, once allowance is made for plausible phase reddening of the rings. Unfortunately, the Voyager camera calibration factors are simply not sufficiently well known for a combination of the Voyager and HST data to be used to constrain the phase reddening quantitatively. However, some interesting radial variations in reddening between 6-14 deg phase angles are hinted at. We update a ring-and-satellite color vs. albedo plot from Cuzzi and Estrada in several ways. The A and B rings are still found to be in a significantly redder part of color-albedo space than Saturn's icy satellites.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 20020091869.
Terms of Use and Reproduction
Copyright, Distribution as joint owner in the copyright.
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