Fig. 7From: Asymmetric deformation of the Earth’s magnetosphere under low Alfvén Mach number solar wind: Observations and MHD simulationThe Walén analysis plot for the 5-min period from 16:36:03 to 16:41:03 UT, showing the relation between the plasma velocity in the de Hoffman-Teller frame (\({\varvec{V}}-{\varvec{V}}_{HT}\)) and the local Alfvén velocity (\({\varvec{V}}_{A}\))Back to article page