Spatial structure in the color of the dust coma of Comet P/Halley

Details Spatial structure in the color of the dust coma of Comet P/Halley Spatial structure in the color of the dust coma of Comet P/Halley

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989icar...79..145h&link_type=abstract

Icarus (ISSN 0019-1035), vol. 79, May 1989, p. 145-158.

Computer Science

17

Color, Coma, Cometary Atmospheres, Halley'S Comet, Image Processing, Interplanetary Dust, Mie Scattering, Spatial Distribution, Comets, Halley, Structure, Color, Dust, Comae, Ccd Methods, Particles, Jets, Models, Wavelengths, Mapping, Earth-Based Observations, Procedure, Image Processing, Calculations, Photographs, Theoretical Studies, Analysis, Intensity, Grain Size, Comparisons, Spectra, Pressure, Radiation, Solar Effects

Scientific paper

Significant spatial variations are noted in the color of the dust in Comet Halley's dust coma, out to 156,000 km from the optocenter, in the present March 1-6, 1986 narrowband CCD images. In particular, the envelope of intermediate-mass particles formed around the nucleus by solar radiation pressure is redder than the rest of the dust coma, and a strong jet noted in the March 1 images is redder than both the dust envelope and the remainder of the dust coma. A wavelength-dependence model of the Comet Halley dust's color is developed on the basis of Mie theory.

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