Modelling of magnetic field measurements at Mercury

Details Modelling of magnetic field measurements at Mercury Modelling of magnetic field measurements at Mercury

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001p%26ss...49.1637g&link_type=abstract

Planetary and Space Science, Volume 49, Issue 14-15, p. 1637-1642.

Physics

12

Scientific paper

Mapping Mercury's internal magnetic field with a magnetometer in closed orbit around the planet will provide valuable information about its internal structure. By measuring magnetic field multipoles of order higher than the dipole we could, in principle, determine some properties, such as size and location, of the internal source. Here we try to quantify these expectations. Using conceptual models, we simulate the actual measurement during the BepiColombo mission, and then we analyze the simulated data in order to estimate the measurement errors due to the limited spatial sampling. We also investigate our ability to locate the field generating current system within the planet. Finally, we address the main limitation of our model, due to the presence of time-varying external magnetospheric currents.

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