Cluster and Ground-Based Observations of Flux Transfer Events During the 10,000 km Separation Season

Details Cluster and Ground-Based Observations of Flux Transfer Events During the 10,000 km Separation Season Cluster and Ground-Based Observations of Flux Transfer Events During the 10,000 km Separation Season

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufmsm21c..02f&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #SM21C-02

Physics

2700 Magnetospheric Physics (6939), 2723 Magnetic Reconnection (7526, 7835), 2724 Magnetopause And Boundary Layers, 2784 Solar Wind/Magnetosphere Interactions

Scientific paper

Between 1920 and 1950~UT on 27th January 2006, the Cluster spacecraft straddled the dayside magnetopause slightly equatorward of the cusp in the post-noon sector. The spacecraft formed a tetrahedron with a scale length of 10,000~km. The lagged IMF was largely directed sunward, but with weak and approximately equal duskward and southward components. A series of flux transfer events (FTEs) were observed by differing subsets of the Cluster spacecraft, three of which were observed by all four spacecraft. Multi-spacecraft timing analysis indicates that these FTEs moved predominantly latitudinally, but their observation at all four spacecraft indicates that these three FTEs extend longitudinally for at least 10,000~km. Simultaneously, pulsed ionospheric flows (PIFs) were observed, although there is no clear one-to-one correlation between the PIFs and the FTEs. We present in situ observations, along with attempts to quantify the flux reconnected during this interval using ground-based observations.

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