Statistics – Computation
Scientific paper
Oct 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icar...64...20m&link_type=abstract
Icarus (ISSN 0019-1035), vol. 64, Oct. 1985, p. 20-26.
Statistics
Computation
1
Comet Nuclei, Giotto Mission, Halley'S Comet, Visibility, Albedo, Luminous Intensity, Modulation Transfer Function, Optical Thickness, Comets, Halley, Comet Nuclei, Giotto Mission, Spacecraft Observations, Optical Properties, Thickness, Calculations, Patterns, Comae, Dust, Models, Visible Light, Intensity, Atmosphere
Scientific paper
An effort is made to estimate the visibility of the patterns on the nucleus of Comet Halley from the Giotto spacecraft through the comet's dusty coma. The visibility computation is based on the theory of contrast reduction by a scattering and absorbing medium (a planetary atmosphere). It is shown that some details may be seen on the surface of the cometary nucleus even for an optical thickness as high as 2. It is noted that the surprisingly large apparent contrast for such large optical thicknesses can be explained by the strong forward scattering by the dust.
Kaufman Yoram J.
Mekler Yu.
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