Abstract
The elevation of the subauroral electron temperature is one of the phenomena showing the energy transfer from the magnetosphere and the response of the ionosphere. The present study addresses solar cycle variations in the subauroral Te peak by comparing observations of the subauroral peak by the Atmosphere Explorer C (AE‐C) satellite near solar minimum (1974 and 1977) with similar observations by the Dynamics Explorer 2 (DE 2) satellite near solar maximum (1981–1982). Electron temperature peaks with magnitudes sufficient to produce observable stable auroral red (SAR) arc emissions occurred more frequently during solar maximum than in solar minimum but the variation in the magnitudes and positions of these peaks with magnetic activity did not change significantly with solar cycle. These results will be discussed in terms of the solar cycle changes in the ionosphere and the magnetospheric energy source.
Published Version
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