Jovian ionospheric conductivity and magnetospheric plasma outflow: Voyager 1

Abstract
Using magnetic field and plasma data from the Voyager 1 inbound encounter, we have derived local values for the mass outflow rate and the radial bulk velocity in the dayside Jovian magnetosphere, and for the height‐integrated Pedersen conductivity of the Jovian ionosphere. These values, accurate within a factor of 2, are compatible with previous order‐of‐magnitude estimates of these quantities. Our results suggest that the shape of the plasma sheet is more complicated than previously suspected. A search for evidence of enhanced plasma outflow in the active sector was inconclusive.

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