Distribution and nature of UV absorbers on Trition's surface

Details Distribution and nature of UV absorbers on Trition's surface Distribution and nature of UV absorbers on Trition's surface

Feb 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995sri..reptq....s&link_type=abstract

Semiannual Report Southwest Research Inst., Boulder, CO. Geophysical, Astrophysical, and Planetary Sciences Section.

Mathematics

Logic

Absorbers (Materials), Absorption Spectra, Geological Surveys, Near Infrared Radiation, Planetary Geology, Satellite Surfaces, Spatial Distribution, Spectrum Analysis, Triton, Ultraviolet Radiation, Image Processing, Iue, Light Curve, Position (Location), Spectrophotometry, Structural Properties (Geology), Voyager 2 Spacecraft

Scientific paper

Substantial evidence suggests that a UV (ultraviolet) Spectrally Absorbing Material (UV-SAM) exists on Triton's surface. This evidence is found in the positive slope in Triton's spectrum from the UV to the near-IR, and the increasing contrast in Triton's light curve in the blue and UV. Although it is now widely-thought that UV-SAM's exist on Triton, little is known about their distribution and spectral properties. The goal of this NDAP Project is to determine the spatial distribution and geological context of the UV-SAM material. We hope to determine if UV-SAM's on Triton are correlated with geologic wind streaks, craters, calderas, geomorphic/topographic units, regions containing (or lacking) volatile frosts, or some other process (e.g., magnetospheric interactions). Once the location and distribution of UV-SAM's has been determined, further constraints on their composition can be made by analyzing the spectrographic data set. To accomplish these goals, various data sets will be used, including Voyager 2 UV and visible images of Triton's surface, IUE and HST spectra of Triton, and a geologic map of the surface based on Voyager 2 and spectrophotometric data. The results of this research will be published in the planetary science literature.

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