Physics
Scientific paper
Aug 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978icar...35..237e&link_type=abstract
Icarus, vol. 35, Aug. 1978, p. 237-246.
Physics
3
Lunar Occultation, Natural Satellites, Saturn (Planet), Spectral Reflectance, Brightness, Light Curve, Limb Darkening, Titan
Scientific paper
An inversion procedure to obtain the reflectance of the central region of a satellite's disk from lunar occultation data is presented. The scheme assumes that the limb darkening of the satellite depends only on the radial distance from the center of the disk. Given this assumption, normal reflectances can be derived that are essentially independent of the limb darkening and the diameter of the satellite. The procedure has been applied to our observations of the March 1974 lunar occultation of Tethys, Dione, Rhea, Titan, and Iapetus. In the V passband we derive the following normal reflectances: Rhea (0.97 plus or minus 0.20), Titan (0.24 plus or minus 0.03), Iapetus, bright face (0.60 plus or minus 0.14). For Tethys and Dione the values derived have large uncertainties, but are consistent with our result for Rhea.
Dunham Edward W.
Elliot James L.
Goguen Jay
Veverka Joe
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