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Observations of Modulation of Ion Flux in the Coma of Comet 67P/Churyumov-Gerasimenko

Altwegg, K.; Nilsson, H.; Goldstein, R. +4 more

On 6-8 June 2015, the Ion and Electron Sensor on board Rosetta observed keV-range water-group pickup ions arriving from the solar direction. Based on magnetic field intensification and variations, the appearance of the ions was likely to have been caused by a coronal mass ejection. During the 3-day period when Rosetta was 200 km from the comet, pe…