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Similarities between in situ measurements of local dust light scattering and dust flux impact data within the coma of 1P/Halley

Fulle, M.; Levasseur-Regourd, A. C.; McBride, N. +1 more

In situ measurements of the light locally scattered by cometary dust, as well as the local dust spatial density are only available for one comet, 1P/Halley. These data, returned from the Optical Probe Experiment (OPE) and the Dust Impact Detection System (DIDSY) aboard the European Space Agency spacecraft Giotto, are re-assessed in light of the re…

Numerical simulation of the dust flux on a spacecraft in orbit around an aspherical cometary nucleus - I

Fulle, M.; Rodionov, A. V.; Crifo, J. F.

This study is the first investigation of the dust collection by a spacecraft orbiting a cometary nucleus, which is based on a physically consistent ab-initio model of the dust distribution in the vicinity of an aspherical comet nucleus. The homogeneous bean-shaped nucleus of Crifo & Rodionov (1997a) is used, with updated parameter values adapt…