Image Details
Caption: Figure C1.
Variation of cutoff θSZA. The cutoff value is the value of θSZA, beyond which the ions are accelerated to Bohm speed. This can be derived from ﹩{v}_{{\rm{sw}}\,}\cos {\theta }_{\,{\rm{SZA}}}=\sqrt{{k}_{{\rm{B}}}{T}_{e}/{m}_{i}}﹩.
© 2026. The Author(s). Published by the American Astronomical Society.