Physics
Scientific paper
Feb 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012ge%26ae..52...60z&link_type=abstract
Geomagnetism and Aeronomy, Volume 52, Issue 1, pp.60-67
Physics
Scientific paper
On the basis of observations for the IGY period (visoplots) it is shown, that during magnetic storms diffuse glow is detected at all latitudes between the lowest latitude of the visually observed auroral glow at the zenith and the auroral oval. The diffuse glow region spatially coincides with the region of soft electron precipitation extending equatorward from the boundary of the oval to the latitude of the plasmopause projections along the magnetic force lines to the ionosphere. Using published materials on the diffuse glow dynamics and SAR arcs at the Yakutsk meridian, as well as simultaneous measurements of the DMSP F9 satellite, we discuss the contribution from low-energy electron precipitation transfered via convection toward Earth from the magnetosphere's plasma sheet to excitation of 630.0 nm emission in low-intensity (<1.0 kR) SAR arcs.
Feldstein Ya. I.
Vorobjev Vyacheslav G.
Zverev V. L.
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