Determination of the Enhancement in Electron Temperature in the Subauroral Ionosphere during Magnetic Storms on a Global Scale

An attempt was made to determine on a global scale the zone of enhanced electron temperature ( T e ) in the subauroral ionosphere during magnetic storms via the combination of T e measurement data and images of stable auroral red arcs (red arcs) obtained on satellites. Data from T e measurements on the DMSP and CHAMP satellites and red-arc observation by POLAR spacecraft were used. It is shown that the zone of enhanced T e in coordinates of geographic latitude and local time can be determined during the period of red-arc manifestation based on the results of T e measurements for a relatively short time during the recovery phase of a geomagnetic storm, and the dependence of its parameters on universal time (UT control) can be found.