Large‐Scale O+ Depletions Observed by ICON in the Post‐Midnight Topside Ionosphere: Data/Model Comparison
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DOI: 10.1029/2020gl092061
Abstract: The Ion Velocity Meter instrument on the Ionospheric Connection Explorer (ICON) satellite measured large depletions in the O+ density (but not H+) in the post‐midnight topside ionosphere on December 23, 2019. This phenomenon has been… read more here.
Keywords: post; topside ionosphere; midnight topside; model ... See more keywords
Post-midnight purple arc and patches appeared on the high latitude part of the auroral oval: Dawnside counterpart of STEVE?
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DOI: 10.1186/s40623-024-01995-9
Abstract: The phenomenon known as strong thermal emission velocity enhancement (STEVE) is a purple/mauve arc-shaped atmospheric glow observed at lower latitudes of the auroral oval on the duskside. Simultaneous observations using a ground-based camera and a… read more here.
Keywords: post midnight; phenomenon; purple; ion ... See more keywords