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Corotation Plasma Environment Model: An Empirical Probability Model of the Jovian Magnetosphere

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Roussos,  Elias
Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society;

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Krupp,  Norbert
Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society;

/persons/resource/persons103914

Fränz,  Markus
Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society;

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Citation

Futaana, Y., Wang, X.-D., Roussos, E., Krupp, N., Wahlund, J.-E., Ågren, K., et al. (2018). Corotation Plasma Environment Model: An Empirical Probability Model of the Jovian Magnetosphere. IEEE Transactions on Plasma Science, 46(6), 2126-2145. doi:10.1109/TPS.2018.2831004.


Cite as: http://hdl.handle.net/21.11116/0000-0002-5984-5
Abstract
We developed a new empirical model for corotating plasma in the Jovian magnetosphere. The model, named the coro- tation plasma environment model version 2 (CPEMv2), considers the charge density, velocity vector, and ion temperature based on Galileo/plasma system (PLS) ion data. In addition, we develop hot electron temperature and density models based on Galileo/PLS electron data. All of the models provide respective quantities in the magnetic equator plane of 9–30RJ , while the charge density model can be extended to 3-D space. A characteristic feature of the CPEM is its support of the percentile as a user input. This feature enables us to model extreme conditions in addition to normal states. In this paper, we review the foundations of the new empirical model, present a general derivation algorithm, and offer a detailed formulation of each parameter of the CPEMv2. As all CPEM parameters are of the analytical form, their implementation is straightforward, and execution involves the use of a small number of computational resources. The CPEM is flexible; for example, it can be extended, as new data (from observations or simulation results) become available. The CPEM can be used for the mission operation of the European Space Agency’s mission to Jupiter, JUpiter ICy moons Explorer (JUICE), and for future data analyses.