Physics – Plasma Physics
Scientific paper
May 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008georl..3510107c&link_type=abstract
Geophysical Research Letters, Volume 35, Issue 10, CiteID L10107
Physics
Plasma Physics
1
Space Plasma Physics: Magnetic Reconnection (2723, 7526), Magnetospheric Physics: Magnetopause And Boundary Layers, Magnetospheric Physics: Magnetospheric Configuration And Dynamics
Scientific paper
Observations from the Thermal Ion Dynamics Experiment (TIDE) on the Polar spacecraft, taken during a period of northward interplanetary magnetic field (IMF) show magnetosheath ions within the magnetosphere with velocity distributions resulting from two widely separated (~30 RE) merging sites along the same field lines. These results are consistent with the hypothesis that double merging can produce closed field lines populated by solar wind plasma under northward IMF. While the merging sites cannot be unambiguously located, the directions of the flowing magnetosheath populations and the convection of merged field lines are consistent with locations of two merging sites northward of the spacecraft and the analyses favor one site poleward of the northern cusp and a second site at lower latitudes equatorward of the northern cusp.
Avanov Levon A.
Chandler Michael O.
Craven Paul D.
Moore Thomas Earle
Mozer Forrest S.
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