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Ann. Geophys., 19, 1219-1240, 2001
https://doi.org/10.5194/angeo-19-1219-2001
© Author(s) 2001. This work is distributed under
the Creative Commons Attribution 3.0 License.
 
30 Sep 2001
First results of electric field and density observations by Cluster EFW based on initial months of operation
G. Gustafsson1, M. André1, T. Carozzi1, A. I. Eriksson1, C.-G. Fälthammar4, R. Grard5, G. Holmgren8, J. A. Holtet3, N. Ivchenko4, T. Karlsson4, Y. Khotyaintsev1, S. Klimov6, H. Laakso5, P.-A. Lindqvist4, B. Lybekk3, G. Marklund4, F. Mozer2, K. Mursula7, A. Pedersen3, B. Popielawska9, S. Savin6, K. Stasiewicz1, P. Tanskanen7, A. Vaivads1, and J.-E. Wahlund1 1Swedish Institute of Space Physics, Uppsala Division, Uppsala, Sweden
2Space Sciences Laboratory, Berkeley, USA
3University of Oslo, Norway
4Alfvén Laboratory, Stockholm, Sweden
5Space Science Department, ESTEC, Noordwijk, The Netherlands
6Space Research Institute, Moscow, Russia
7University of Oulu, Finland
8University of Uppsala, Sweden
9Space Research Centre, Warsaw, Poland
Abstract. Highlights are presented from studies of the electric field data from various regions along the Cluster orbit. They all point towards a very high coherence for phenomena recorded on four spacecraft that are separated by a few hundred kilometers for structures over the whole range of apparent frequencies from 1 mHz to 9 kHz. This presents completely new opportunities to study spatial-temporal plasma phenomena from the magnetosphere out to the solar wind. A new probe environment was constructed for the CLUSTER electric field experiment that now produces data of unprecedented quality. Determination of plasma flow in the solar wind is an example of the capability of the instrument.

Key words. Magnetospheric physics (electric fields) – Space plasma physics (electrostatic structures; turbulence)


Citation: Gustafsson, G., André, M., Carozzi, T., Eriksson, A. I., Fälthammar, C.-G., Grard, R., Holmgren, G., Holtet, J. A., Ivchenko, N., Karlsson, T., Khotyaintsev, Y., Klimov, S., Laakso, H., Lindqvist, P.-A., Lybekk, B., Marklund, G., Mozer, F., Mursula, K., Pedersen, A., Popielawska, B., Savin, S., Stasiewicz, K., Tanskanen, P., Vaivads, A., and Wahlund, J.-E.: First results of electric field and density observations by Cluster EFW based on initial months of operation, Ann. Geophys., 19, 1219-1240, https://doi.org/10.5194/angeo-19-1219-2001, 2001.
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