The surface albedo distribution of Pluto

Details The surface albedo distribution of Pluto The surface albedo distribution of Pluto

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989icar...79...23b&link_type=abstract

Icarus (ISSN 0019-1035), vol. 79, May 1989, p. 23-37. Research supported by the San Diego Supercomputer Center.

Astronomy and Astrophysics

Astronomy

29

Albedo, Astronomical Photometry, Light Curve, Pluto (Planet), Astronomical Models, Equatorial Regions, Polar Caps, Pluto, Surface, Albedo, Distribution, Optical Properties, Models, Data, Photometry, Equatorial Regions, Polar Regions, Lightcurves, Comparisons, Earth-Based Observations, Parameters, Computer Methods, Simulations, Imagery, Brightness

Scientific paper

Two distinct configurations have been established for the surface albedo distribution of Pluto on the basis of a model fitting absolute photometry data obtained over the 1954-1986 period. The two sets of model parameters primarily differ in the equatorial spots; these generate the rotational lightcurve, while the polar caps yield the orbital lightcurve. While the two models predict similar event lightcurves through the end of 1987, they begin to markedly differ in 1988. Mutual event observations made on January 13, 1988 exhibit agreement with only one of the equatorial spot configurations, having one bright and one dark spot.

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