Missions   Polar



Welcome to the Polar spacecraft MFE (Magnetic Field Experiment)

MFE instrument.
home page. The MFE experiment is designed to measure the vector magnetic fields along the orbit of Polar. The source of the fields are both the currents in the interior of the Earth driven by the Earth's dynamo and the currents flowing within the magnetosphere driven by the interaction of the Earth's magnetic field and the solar wind. These fields contain a wealth of information about Earth's magnetosphere and its coupling to the ionosphere and to the solar wind.

Polar logo.




Polar space craft.

The MFE data also help to organize and interpret the data measured by other experiments on the Polar spacecraft, especially the energetic particles, plasmas, and electric fields experiments TIMAS, CAMMICE, HYDRA, PWI, and EFI. In its supporting role, MFE data is used both on the spacecraft for 'pre-telemetry processing' of particles data of all energies (e.g. to determine field-aligned or perpendicular anisotropies of particle distribution functions), and on the ground for both particles and fields contextual information and enhanced data products. A key element in the management of Polar science is the monthly Polar telecon.

A summary of the field along the orbit are obtainable from Key Parameters, which give the most basic information about the observations as 'quick-look' .92 minute average time series. These are available under Science Products.

In subsequent pages, we describe the scientific results of the investigation, the instrument, its operation, science data products and other aspects of the investigation.



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Last updated: June 2, 2003