Apparent thickness and scattering properties of Saturn's rings from March 1980 observations

Details Apparent thickness and scattering properties of Saturn's rings from March 1980 observations Apparent thickness and scattering properties of Saturn's rings from March 1980 observations

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...108..296s&link_type=abstract

Astronomy and Astrophysics, vol. 108, no. 2, Apr. 1982, p. 296-305. Centre National de la Recherche Scientifique

Astronomy and Astrophysics

Astronomy

15

Astronomical Photometry, Light Scattering, Saturn Rings, Thickness, Brightness Distribution, Electronography, Natural Satellites, Particle Flux Density, Particle Size Distribution, Solar Orbits, Saturn, Rings, Thickness, Scattering, Physical Properties, Astronomy, Earth-Based Observations, Data Reduction, Analysis, Flux, Brightness, Particles, Distribution, Diameters, Satellites, Photometry, Diffusion, Data, Mathematical Models, Diagrams, Hyperion, Dione, Mimas, Tethys, Enceladus

Scientific paper

The paper presents ground-based observations of Saturn at the times of the transits of the sun and earth through the plane of Saturn's rings. When lit and observed at low tilt angles of not greater than about 0.5 deg, the rings do not exhibit a behavior well consistent with a homogeneous scattering layer, which may be due to the fact that the irregularities of the rings cannot be neglected as the low tilt angles. The reduction of the plates taken on the night of the earth's transit indicates that there is a residual flux all along the different parts of the rings, and it is possible that the smearing effect of the atmosphere prevents the resolution of the bodies responsible for the flux. The transitory asymmetry of brightness between the ansae of the rings may also be a result of a wide size-distribution of particles in the rings.

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