7 Tsyganenko-89 geomagnetic field model functions.

Contents of this section

This section describes functions from file tsyganenko.ct.

7.1 T89

[Bx,By,Bz] = T89(Kp,x,y,z)
 [Bx,By,Bz] = T89(Kp,x,y,z) computes the Tsyganenko-89 model
   magnetic field. Inputs: Kp, the Kp index; x,y,z, GSM coordinates
   in Earth radii. Outputs: total magnetic field in nanotesla in
   GSM coordinates.
   Error codes:
   -1: Bad type of input arg 

7.2 m2i

[theta,phi] = m2i(Kp,x,y)
 [theta,phi] = m2i(Kp,x,y) maps the equatorial plane point (x,y,z=0)
   to the northern ionosphere. Inputs: Kp, the Kp index; x,y,z, GSM
   coordinates in Earth radii. Outputs: colatitude and longitude in
   magnetic coordinates in degrees.
   Error codes:
   -1: Bad type of input arg 

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