Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988icar...74..383f&link_type=abstract
Icarus (ISSN 0019-1035), vol. 74, June 1988, p. 383-398.
Astronomy and Astrophysics
Astronomy
22
Astronomical Photometry, Comet Tails, Interplanetary Dust, Astronomical Models, Data Reduction, Comets, Bennet, Structure, Photometry, Analysis, Size, Dust, Ejection, Velocity, Comae, Distribution, Comet Tails, Flux, Diagrams, Calculations
Scientific paper
The Kimura and Liu (1977) analysis of the motion in space of cometary dust tail grains, which furnished information on the size-dependence of the dust ejection velocity from the inner coma and the size distribution on a millimetric scale, is presently applied to the Neck-Line Structure (NLS) displayed by Comet Bennett 1970II at the begining of May, 1970. Attention is given to two photographs of the comet which have been analyzed by digital image processing in order to extract reliable photometric data; the strong excess of millimetric grains noted is in agreement with the Fulle (1987) results for preperihelion times.
Fulle Marco
Sedmak Giorgio
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