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Comparison of plasma data from ASPERA-3/Mars-Express with a 3-D hybrid simulation

Barabash, S.; Lundin, R.; Krupp, N. +8 more

The ELS and IMA sensors of the ASPERA-3 experiment onboard of Mars-Express (MEX) can measure electron as well as ion moments. We compare these measurements for a specific orbit with the simulation results from a 3-D hybrid model. In the hybrid approximation the electrons are modeled as a massless charge-neutralizing fluid, whereas the ions are tre…