Articles | Volume 35, issue 6
Ann. Geophys., 35, 1293–1308, 2017
https://doi.org/10.5194/angeo-35-1293-2017
Ann. Geophys., 35, 1293–1308, 2017
https://doi.org/10.5194/angeo-35-1293-2017

Regular paper 06 Dec 2017

Regular paper | 06 Dec 2017

Open and partially closed models of the solar wind interaction with outer planet magnetospheres: the case of Saturn

Elena S. Belenkaya et al.

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Short summary
The reconnection efficiency of the solar-wind-magnetized planet interaction depends on the conditions in the magnetized plasma flow passing the planet. When the reconnection efficiency is very low, the interplanetary magnetic field does not penetrate the magnetosphere. We study this issue for Saturn using Cassini magnetometer data, images of Saturn's aurora obtained by the HST, and the paraboloid model of Saturn's magnetospheric magnetic field. We conclude that the open model is preferable.