Magnetic mapping

• The magnetic mapping is fulfilled by the magnetic field line tracing from the satellite position up to the Ionosphere (stop trace at the altitude 110 km).
  Several version of the external magnetic field model can be used during magnetic mapping (see the reference). The real values of the Kp parameter can be taken into account.
  As a default the Tsyganenko [1987] external magnetic field model and IOPT = 3 (Kp = 2) are used. This value of the IOPT parameter corresponds to the middle geophysical conditions.
• The output file includes the following information:
• The footprints' geographical and geomagnetic co-ordinates in the Northern and in the Southern Hemispheres.
• The corrected geomagnetic co-ordinates
• McIlvain L value and Invariant latitude (for R <6 RE). >
• The identification (MOD IOPT) of the used magnetic field model's version.

Tsyganenko, N. A., Global quantitative models of the geomagnetic field in the cislunar magnetosphere for different disturbance levels, Planet. Space Sci., 1987, 35, 1347-1358

Tsyganenko, N. A., A magnetospheric magnetic field model with a warped tail current sheet, Planet Space Sci., 1989, 37, 5-20.

Tsyganenko, N. A., Quantitative models of the magnetospheric magnetic field: Methods and results. Planet Space Sci. 1990, 54. 75.

McIlwain, C. E., Co-ordinates for mapping the distribution of magnetically trapped particles, J. Geophys. Res., 1961, 66. 3681-3691.

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