The MOD and IOPT parameters

The MOD and IOPT parameters value depend of the external magnetic field model (MOD), used during magnetic mapping and IOPT version (IOPT = Kp + 1), see the table:

MOD

External model

IOPT range

Reference

T87L

EXT87L

(1-6)

N.A.Tsyganenko, Planet. Space Sci., V.35, P.1347, 1987

T89K

EXT89KP

(1-6)

N.A. Tsyganenko, A magnetospheric magnetic fields model with a warped Tail current sheet: Planet. Space SCI., V.37, PP.5-20, 1989.

T89M

EXT89M

(1-7)

N.A. Tsyganenko, A magnetospheric magnetic fields model with a warped Tail current sheet: Planet. Space Sci., V.37, P. 5-20, 1989. (Revised on April 1992)

Dr. Victoria Prokhorenko
Last modified 17 January 1999