Articles | Volume 35, issue 3
Ann. Geophys., 35, 465–474, 2017
https://doi.org/10.5194/angeo-35-465-2017
Ann. Geophys., 35, 465–474, 2017
https://doi.org/10.5194/angeo-35-465-2017
Regular paper
22 Mar 2017
Regular paper | 22 Mar 2017

Estimation of a planetary magnetic field using a reduced magnetohydrodynamic model

Christian Nabert et al.

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Short summary
Knowledge of planetary magnetic fields provides deep insights into the structure and dynamics of planets. Due to the interaction of a planet with the solar wind plasma, electrical currents are generated which modify the planetary magnetic field outside the planet. New methods are presented to estimate the planetary magnetic field contribution from spacecraft observations. A reduced model of the interaction relates the time-varying observations to the planetary magnetic field magnitude.