Physics
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986ehac....2..307s&link_type=abstract
In ESA Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet. Volume 2: Dust and Nucleus p 307-316 (SEE N
Physics
1
Comet Nuclei, Halley'S Comet, Satellite Television, Tomography, Vega Project, Algorithms, Image Analysis, Light Scattering, Scattering Coefficients, Three Dimensional Models
Scientific paper
About 60 images taken by Vega spacecraft during the close approach to Halley were utilized for nucleus shape reconstruction. A gradient algorithm was applied to the images and nucleus limbs were extracted. A three dimensional model of the nucleus was defined as an intersection of the cylinders provided by parallel shift of the scaled limbs along the corresponding lines of view. Tomography restoration for scattering efficiency distribution in the inner coma was based on the modified Cormack's method using the same 60 images.
Avanesov G. A.
Debabov A. S.
Kheifets V. N.
Kogan Yu. A.
Krasikov V. A.
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