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Ion cyclotron waves during the Rosetta approach phase: a magnetic estimate of cometary outgassing

Glassmeier, K. -H.; Volwerk, M.; Richter, I. +4 more

A theoretical model for the ion cyclotron wave generation during the approach phase of Rosetta to 67P/Churyumov-Gerasimenko is presented. For various activity levels of the comet, the crossing of the observational threshold is determined, whose level is derived from the wave power in the undisturbed solar wind near the comet's location during the …