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Analysis of suprathermal electron properties at the magnetic pile-up boundary of comet P/Halley

Anderson, K. A.; Neubauer, F. M.; Rème, H. +10 more

Among the plasma discontinuities detected by the GIOTTO spacecraft around comet P/Halley, the Magnetic Pile-up Boundary, located at about 135,000 km from the nucleus, has a sharpness which was not foreseen by theoretical models. At this boundary, which marks the beginning of the region where the field lines draped around the nucleus have been pile…