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: http://www.cosmos.ru/vprokhor/coords.htm
Дата изменения: Mon Jan 18 12:36:09 1999
Дата индексирования: Tue Oct 2 00:08:14 2012
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The major geocentric coordinate systems used in the Space physics:
The Equatorial Inertial (GEI) coordinate system:
- The X GEI axis is directed to the point of the spring equinox,
- The Z GEI axis is coincide with the Earth's rotation axis,
- The Y GEI supplements the right three.
The Geographic (GEO) coordinate system:
- The Z GEO axis is coincide with the Earth's rotation axis,
- The X GEO axis belong to the Greenwich meridian,
- The Y GEO supplements the right three.
The Solar-Ecliptic (SE) or (GSE) coordinate system:
- The X SE axis is coincide with the direction to the Sun,
- The Z SE axis is directed to the Ecliptic Pole,
- The Y SE supplements the right three, toward to the dusk.
The Solar Magnetospheric (GSM) coordinate system:
- The X GSM axis is coincide with the direction to the Sun,
- The XZ GSM plane contains the dipole axis,
- The Y GSM supplements the right three, toward to the dusk.
The Solar Magnetic (SM) coordinate system:
- The Z SM axis is coincide with the geomagnetic dipole axis,
- The XZ SM plane contains the Earth-Sun direction,
- The Y SM supplements the right three, toward to the dusk.
The Magnetic (MAG) coordinate system:
- The Z MAG axis is coincide with the geomagnetic dipole axis,
- The X MAG axis belongs to the geographical meridian, which contain the magnetic dipole pole.
- The Y GSM supplements the right three, belong to the intersection of the geographical and geomagnetic equatorial planes.
About space physics coordinate transformation see Russel [1971] and Hapgood [1992]
Reference
- Russell C.T. Geophysical coordinate transformation // Cosmic .Electrodyn. 1971. V. 2. P. 184-196.
- M.A. Hapgood
, Space physics coordinate transformations: A user guide // Planet Space Sci. 1992. V. 40, P. 711-717
Dr. Victoria Prokhorenko
Last modified 7 January 1999