Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980azh....57..716v&link_type=abstract
(Astronomicheskii Zhurnal, vol. 57, July-Aug. 1980, p. 716-724.) Soviet Astronomy, vol. 24, July-Aug. 1980, p. 412-417. Transla
Astronomy and Astrophysics
Astronomy
1
Astronomical Models, Circular Cylinders, Cosmic Dust, Linear Polarization, Nebulae, Optical Polarization, Ubv Spectra, Angular Distribution, Light Scattering, Optical Reflection, Particle Size Distribution, Polarized Light, Scattering Functions, Spectroscopy
Scientific paper
The U-B, B-V, V-R color indices and the U, B, V, R percentage polarization are calculated for a homogeneous spherical nebula in the single-scattering approximation. The Lind-Greenberg theory is applied to determine scattering functions for ensembles of infinite, circular model cylinders composed of dirty ice or silicates and oriented at random in space or in a plane normal to the direction toward the illuminating star. The effects of varying the mean grain size are examined. In the V, R bands, a nebular consisting of cylindrical particles with a space-random orientation will be less strongly polarized than a nebula consisting of spherules of the same size.
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