Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jgr....9619203h&link_type=abstract
Journal of Geophysical Research Supplement (ISSN 0148-0227), vol. 96, Oct. 30, 1991, p. 19,203-19,209.
Astronomy and Astrophysics
Astronomy
19
Astronomical Photometry, Atmospheric Models, Haze, Satellite Atmospheres, Satellite Surfaces, Triton, Albedo, Atmospheric Composition, Atmospheric Scattering, Visible Spectrum
Scientific paper
The Voyager whole-disk observations of Triton at 0.41, 0.48, and 0.56 micron filter wavelengths are analyzed using a model which combines an improved version of Hapke's photometric equation with a thin atmospheric haze layer in the appropriate spherical geometry. The model is shown to describe accurately the phase curves over a range of phase angles and to agree with disk-resolved brightness scans along the photometric equator and mirror meridian. According to the model, the photometric parameters of Triton's regolith are reasonably typical of icy satellites, except for the extremely high (close to unity) single-scattering albedo.
Helfenstein Paul
Hillier John
Verbiscer Anne
Veverka Joe
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