Physics
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992jatp...54.1573g&link_type=abstract
Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 54, no. 11-12, p. 1573-1591.
Physics
5
Auroral Arcs, Polar Caps, Precipitation Particle Measurement, Satellite-Borne Instruments, Earth Observations (From Space), Electron Energy, Ion Currents
Scientific paper
The relationship between particle precipitation and ground observed aurora at the Vostok station in Antarctica is investigated using charged particle data obtained by the DMSP satellites for some days in a period from April to August 1985. Results of the analysis of the characteristics of precipitation ions made it possible to separate the polar arc from the aurora in the oval. In some of the events, the satellite crossed the system of two widely separated arcs: one was a sun-aligned arc, while the other was circular at constant latitude. The analysis of the DMSP electron and ion precipitation data shows that, in these events, the latitude oriented arcs are located in the polar cap and not in the auroral oval.
Gusev G. M.
Troshichev Oleg A.
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