We introduce here a correction in the Earth's magnetic field because , also in the approximation of a simple magnetic dipole, you must consider the fact that the center of the dipole is shifted from the center of the Earth.

Here you find the coordinates of the center of the dipole in the geographical system.

Next picture show you the relation between the Shuttle and the center of Earth's magnetic dipole, in the geographical system.

And here you can find the Stoermer equation for rigidity cut-off, for a positive particle of charge one, in the geomagnetic system, at a distance, from the center of the dipole, equal to the earth radius
Note: the East-West direction is in the geographical system of coordinates

Reference Links:

AMS Recalculated Rigidity Cut-Off

Rigidity Cut-Off Page

About CAS Files Page

Magnetospheric Home Page


E. Fermi, Nuclear Physics, The University Of Chicago Press, 1950, Chicago

If you need more informations contact Marco Potenza

Last updated on 17-JUL-2002 by Davide Grandi