An absolute radius scale for Saturn's rings

Details An absolute radius scale for Saturn's rings An absolute radius scale for Saturn's rings

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj....100.1339n&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 100, Oct. 1990, p. 1339-1362.

Astronomy and Astrophysics

Astronomy

30

Planetary Structure, Radii, Saturn Rings, Radio Occultation, Stellar Occultation, Voyager Project

Scientific paper

Radio and stellar occultation observations of Saturn's rings made by the Voyager spacecraft are discussed. The data reveal systematic discrepancies of almost 10 km in some parts of the rings, limiting some of the investigations. A revised solution for Saturn's rotation pole has been proposed which removes the discrepancies between the stellar and radio occultation profiles. Corrections to previously published radii vary from -2 to -10 km for the radio occultation, and +5 to -6 km for the stellar occultation. An examination of spiral density waves in the outer A Ring supports that the revised absolute radii are in error by no more than 2 km.

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