Counter‐streaming magnetosheath ions in the dayside low latitude boundary layer
Authors:
- 21 February 1992
- journal article
- Published by American Geophysical Union (AGU) in Geophysical Research Letters
- Vol. 19 (4) , 425-428
Abstract
Observations in the subsolar low latitude boundary layer (LLBL) during reconnection show counter‐streaming suprathermal ions on rare occasions. Composition measurements for one event presented here indicate that the ions are from the magnetosheath although no similar equal energy per charge suprathermal He2+ and H+ populations were observed there. Acceleration of magnetosheath ions either across the magnetopause or in the LLBL followed by magnetic mirroring of the initially parallel suprathermal ions best explains these observations.Keywords
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