TY JOUR TI Coherence time scales of long-period ULF variations of magnetic field in vicinity of the night-side magnetopause KW Pc5-6/Pi3 geomagnetic pulsations KW magnetotail KW magnetopause KW magnetosheath KW coherence JO Solar-Terrestrial Physics AU Стуков, Д.А. AU Ягова, Н.В. PY 2025 IS 11 PB Институт солнечно-земной физики СО РАН