HR: 10:35h
AN: SM12A-02 [Abstracts]
TI: Cluster Encounter of a Magnetic Reconnection Diffusion Region in the Near-Earth Magnetotail on
September 19, 2003
AU: Borg, A L
EM: a.l.borg@fys.uio.no
AF: Department of Physics, University of Oslo, P.O. Box 1048, Oslo, 0316
Norway
AU: * Oieroset, M
EM: oieroset@ssl.berkeley.edu
AF: Space Sciences Laboratory, University of California, Berkeley, CA 94720
United States
AU: Phan, T D
EM: phan@ssl.berkeley.edu
AF: Space Sciences Laboratory, University of California, Berkeley, CA 94720
United States
AU: Mozer, F
EM: fmozer@ssl.berkeley.edu
AF: Space Sciences Laboratory, University of California, Berkeley, CA 94720
United States
AU: Pedersen, A
EM: arne.pedersen@fys.uio.no
AF: Department of Physics, University of Oslo, P.O. Box 1048, Oslo, 0316
Norway
AU: Mouikis, C
EM: chris.mouikis@unh.edu
AF: Space Science Center, University of New Hampshire, Durham, NH 03824
United States
AU: McFadden, J P
EM: mcfadden@ssl.berkeley.edu
AF: Space Sciences Laboratory, University of California, Berkeley, CA 94720
United States
AU: Twitty, C
EM: colleent@ssl.berkeley.edu
AF: Space Sciences Laboratory, University of California, Berkeley, CA 94720
United States
AU: Balogh, A
EM: a.balogh@imperial.ac.uk
AF: Space and Atmospheric Physics, Imperial College, London, SW7 2BZ
United Kingdom
AU: Reme, H
EM: Henri.Reme@cesr.fr
AF: Centre d'Etude Spatiale des Rayonnements, 9 Ave Colonel Roche Cedex, Toulouse, F-31028
France
AB:
We report a clear encounter by the Cluster spacecraft of a magnetic reconnection diffusion region in the near-Earth
magnetotail at XGSM} = -17.5 R_E on September 19, 2003. In addition to the reversals of the plasma jets and of GSM-z
(~normal) component of the magnetic field, clear signatures of Hall quadrupolar (GSM-y) magnetic fields as well as
bipolar Hall (GSM-z) electric fields with amplitude up to 80 mV/m directed toward the current sheet in both hemispheres were
observed. Furthermore, large fluctuations in the electric field perpendicular to the magnetic field with amplitudes reaching
65 mV/m were observed near the separatrices in both hemispheres and in association with local density minima.
DE: 2712 Electric fields (2411)
DE: 2723 Magnetic reconnection (7526, 7835)
DE: 2744 Magnetotail
DE: 2764 Plasma sheet
SC: SPA-Magnetospheric Physics [SM]
MN: Fall Meeting 2005