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Double Star, Cluster, and ground-based observations of magnetic reconnection during an interval of duskward oriented IMF: preliminary results

Research output: Contribution to journalJournal article

  • J. A. Wild
  • S. E. Milan
  • J. A. Davies
  • S. W. H. Cowley
  • C. A. Carr
  • A. Balogh
<mark>Journal publication date</mark>8/11/2005
<mark>Journal</mark>Annales Geophysicae
Issue number8
Number of pages997
Pages (from-to)2903-1907
<mark>Original language</mark>English


We present a space- and ground-based study exploiting data from the coordinated Cluster and Double Star missions in order to investigate dayside magnetic reconnection under BY+ dominated IMF conditions. In-situ observations of magnetosheath flux transfer events combined with measurements of pulsed poleward and dawnward directed flows in the pre-noon sector high-latitude northern hemisphere ionosphere are interpreted as indications of pulsed magnetic reconnection during an interval in which the IMF remained relatively steady. Observations of newly- reconnected magnetic flux tubes anchored in the northern hemisphere both at mid-latitudes and in the vicinity of the subsolar point suggests that during BY+ dominated IMF, reconnection is not, as proposed previously, limited to the high-latitude magnetopause.