Abstract This study presents a case of partial cross-tail disruption closely correlated with a well defined substorm. Plasma and magnetic field data taken simultaneously in the near-Earth magnetotail (6.6–13 RE) aboard three satellites, GEOS-2, ISEE-1 and ISEE-2, are used to infer directly the location and the tailward expansion of the current disruption. This one appears to start at 6 – 9 RE and to propagate at a velocity of the order of 200 km/s down the tail over tens of earth radii during the substorm expansion phase. At geostationary orbit the measured overall substorm related magnetic signatures are in agreement with i) a current disruption and ii) a rapid expansion (thickening) of the current sheet in the vicinity of the geostationary orbit.


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    Titel :

    Determination of the location of substorm acceleration regions


    Beteiligte:
    Jacquey, C. (Autor:in) / Sauvaud, J.A. (Autor:in) / Dandouras, Y. (Autor:in) / Korth, A. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 13 , 4 ; 199-202


    Erscheinungsdatum :

    1993-01-01


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch