Physics
Scientific paper
Dec 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990georl..17.2305k&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 17, Dec. 1990, p. 2305-2308.
Physics
22
Earth Magnetosphere, Ion Distribution, Magnetic Field Reconnection, Magnetic Signatures, Magnetospheric Ion Density, Solar Wind, Ampte (Satellites), Atmospheric Boundary Layer, Electron Transfer, Magnetopause, Solar Flux
Scientific paper
Magnetic field signatures from the AMPTE/CCE spacecraft are used to identify two magnetospheric FTEs (flux transfer events). Electron distributions measured in the plane of the magnetopause inside these FTEs complement previously reported electron measurements. Ion composition measurements in the energy range 0 to 20 keV/e within an FTE are reported. It is found that the ion distributions, the ion composition, and the flow velocities are unique to the FTE and unlike either the adjacent magnetosphere, the nearby boundary layer, or the nearby magnetosheath. The H(+), He(+), and He(2+) distribution functions in the FTEs have reversed temperature anisotropies and the relative He(2+) abundance is depressed with respect to either the magnetosheath or the low latitude boundary layer.
Fuselier Stephen A.
Klumpar D. M.
Shelley Edward G.
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