Photopolarimetry from Voyager 2 - Preliminary results on Saturn, Titan, and the rings

Details Photopolarimetry from Voyager 2 - Preliminary results on Saturn, Titan, and the rings Photopolarimetry from Voyager 2 - Preliminary results on Saturn, Titan, and the rings

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982sci...215..537l&link_type=abstract

Science, vol. 215, Jan. 29, 1982, p. 537-543.

Computer Science

173

Polarimeters, Saturn Atmosphere, Saturn Rings, Titan, Voyager 2 Spacecraft, Encke Method, Limb Brightening, Polarization Characteristics, Saturn Satellites, Stellar Occultation, Ultraviolet Spectrophotometers, Dynamics, Comparisons, Pps, Photometry, Equipment, Procedure, B Ring, Density, Viscosity, Analysis, Saturn, Voyager 2, Photopolarimeter, Satellites, Titan, Rings, Atmosphere, Limbs, Brightness, Ultraviolet, Wavelengths, Colors, Polarization, Opacity, Optical Properties, Models, Particles, Occultations

Scientific paper

The Voyager 2 photopolarimeter was reprogrammed prior to the August 1981 Saturn encounter to perform orthogonal-polarization, two-color measurements on Saturn, Titan, and the rings. Saturn's atmosphere has ultraviolet limb brightening in the mid-latitudes and pronounced polar darkening north of 65 deg N. Titan's opaque atmosphere shows strong positive polarization at all phase angles (2.7 deg to 154 deg), and no single-size spherical particle model appears to fit the data. A single radial stellar occultation of the darkened, shadowed rings indicated a ring thickness of less than 200 meters at several locations and clear evidence for density waves caused by satellite resonances. Multiple, very narrow strands of material were found in the Encke division and within the brightest single strand of the F ring.

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