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Title: An observational test of magnetospheric field models at geosynchronous orbit

Technical Report ·
DOI:https://doi.org/10.2172/10162750· OSTI ID:10162750

The configuration of the geomagnetic field is an indicator of the response of the magnetosphere to the solar wind input. A number of empirical magnetospheric field models are currently in use which estimate the magnetic field direction and magnitude at any point within the magnetosphere under a variety of conditions. Here, the global nature of the Tsyganenko 89 [Tsyganenko, 1989] magnetospheric magnetic field model is tested by comparison of the model-predicted field orientations with the field orientations derived simultaneously at two different locations in geosynchronous orbit from the axis of symmetry of the plasma electron distribution function (30 eV--40 keV). The results for the particular time interval studied are inconclusive because the Tsyganenko 89 model does not describe the field at one of the satellites well enough, but the procedure itself appears promising.

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
W-7405-ENG-36
OSTI ID:
10162750
Report Number(s):
LA-UR-94-2130; CONF-9406192-1; ON: DE94014462; TRN: 94:013645
Resource Relation:
Conference: 8. international symposium on solar terrestrial physics,Sendai (Japan),6-10 Jun 1994; Other Information: PBD: [1994]
Country of Publication:
United States
Language:
English