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    Influence of hot plasma pressure on the global structure of Saturn’s magnetodisk

    Achilleos, Nick and Guio, P. and Arridge, Chris S. and Sergis, N. and Wilson, R.J. and Thomsen, M.F. and Coates, Andrew J. (2010) Influence of hot plasma pressure on the global structure of Saturn’s magnetodisk. Geophysical Research Letters 37 (20), ISSN 0094-8276.

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    Abstract

    Using a model of force balance in Saturn's disk-like magnetosphere, we show that variations in hot plasma pressure can change the magnetic field configuration. This effect changes (i) the location of the magnetopause, even at fixed solar wind dynamic pressure, and (ii) the magnetic mapping between ionosphere and disk. The model uses equatorial observations as a boundary condition—we test its predictions over a wide latitude range by comparison with a Cassini high-inclination orbit of magnetic field and hot plasma pressure data. We find reasonable agreement over time scales larger than the period of Saturn kilometric radiation (also known as the camshaft period).

    Metadata

    Item Type: Article
    Keyword(s) / Subject(s): Saturn plasmadisk
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Natural Sciences
    Depositing User: Administrator
    Date Deposited: 15 Dec 2014 11:53
    Last Modified: 02 Aug 2023 17:14
    URI: https://eprints.bbk.ac.uk/id/eprint/11272

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