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First Results of the THEMIS Search Coil Magnetometers |
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| Authors: | O Le Contel A Roux P Robert C Coillot A Bouabdellah B de la Porte D Alison S Ruocco V Angelopoulos K Bromund C C Chaston C Cully H U Auster K H Glassmeier W Baumjohann C W Carlson J P McFadden D Larson |
| Institution: | 1. Centre d’étude des Environnements Terrestre et Planétaires (CETP), 10-12 avenue de l Europe, 78140, Vélizy, France 2. IGPP/UCLA, Los Angeles, CA, 90095, USA 3. SP Systems, Inc. on contract to NASA/GSFC, Space Weather Laboratory, Code 674, Greenbelt, MD, USA 4. Space Sciences Laboratory, University of California, Berkeley, CA, USA 5. Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO, USA 6. Institut für Geophysik und extraterrestrische Physik der Technischen Universit?t Braunschweig, 38106, Braunschweig, Germany 7. Space Research Institute, Austrian Academy of Sciences, Graz, Austria 8. Space Sciences Laboratory, University of California, Berkeley, CA, USA |
| Abstract: | We present the first data from the THEMIS Search Coil Magnetometers (SCM), taken between March and June 2007 while the THEMIS constellation apogee moved from the duskside toward the dawnside. Data reduction, especially the SCM calibration method and spurious noise reduction process, is described. The signatures of magnetic fluctuations in key magnetospheric regions such as the bow shock, the magnetopause and the magnetotail during a substorm, are described. We also discuss the role that magnetic fluctuations could play in plasma transport, acceleration and heating. |
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