A Two-Color Map of Pluto's Sub-Charon Hemisphere

Details A Two-Color Map of Pluto's Sub-Charon Hemisphere A Two-Color Map of Pluto's Sub-Charon Hemisphere

Jan 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aj....121..552y&link_type=abstract

The Astronomical Journal, Volume 121, Issue 1, pp. 552-561.

Astronomy and Astrophysics

Astronomy

21

Key Word: Planets And Satellites: Individual: Pluto, Planets And Satellites: Individual: Charon

Scientific paper

Pluto and its satellite Charon regularly occulted or transited each other's disks from 1985 through 1990. The light curves resulting from these events (collectively called ``mutual events'') have been used to determine albedo maps of Pluto's sub-Charon hemisphere. We now use a data set of four light curves that were obtained in both B and V Johnson filters to construct a two-color map of Pluto's surface. We are able to resolve the central part of Pluto's sub-Charon hemisphere. We find that the dark albedo feature that forms a band below Pluto's equator is comprised of several distinct color units. We detect ratios of V-filter/B-filter normal reflectances ranging from ~1.15 to ~1.39 on Pluto's sub-Charon hemisphere.

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