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Vannaroni et al. 1998
Vannaroni, G., Dobrowolny, M., Lebreton, J.P., Melchioni, E., De Venuto, F., Harvey, C.C., Iess, L., Guidoni, U., Bonifazi, C. and Mariani, F. (1998). Current-voltage characteristic of the TSS-1R satellite: Comparison with isotropic and anisotropic models. Geophysical Research Letters 25: doi: 10.1029/97GL02577. issn: 0094-8276.

In this paper we present an analysis of the satellite current-voltage (I--V) characteristics observed during the TSS-1R mission. The satellite I--V curves were compared with the predictions by two theoretical models: the first one [Parker and Murphy, 1967> considers the channeling effect of the terrestrial magnetic field as the dominating process in the current collection, whereas the second one [Alpert et al., 1965> neglects the magnetic field and assumes an isotropic spherical geometry. Even though neither of the two theories reproduces rigorously the TSS experimental situation, as they neglect both the motion of the body and possible anomalous collisions, we find that both the models, in certain conditions, could reproduce theoretical curves in agreement with the data. However we suggest that, when the effect of the plasma turbulence is considered, the data could be better interpreted on the basis of the Alpert formulation. ¿ 1998 American Geophysical Union

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Abstract

Keywords
Space Plasma Physics, Active perturbation experiments, Space Plasma Physics, Spacecraft sheaths, wakes, charging, Ionosphere, Active experiments
Journal
Geophysical Research Letters
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Publisher
American Geophysical Union
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