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A correlation of energetic particle flux anisotropies with magnetic field variations in- and outside the coma of comet Halley

Neubauer, F. M.; Daly, P. W.; Ip, W. -H. +4 more

Anisotropies and energy spectra of cometary ions (mainly O⁺, OH⁺, H₂O⁺) derived from the EPA/EPONA measurements on board of Giotto during the encounter (12-14 March 1986) with comet Halley are used to study the acceleration processes taking place in the vicinity of the comet. Further evidence was found f…