On which timescales are By induced in the closed magnetosphere?

Paul Tenfjord1, Nikolai Ostgaard1, Robert J Strangeway2, Kristian Snekvik1, Karl Laundal3, Jone Peter Reistad1, Steve E. Milan4 and Stein Haaland5, (1)University of Bergen, Birkeland Centre for Space Science, Bergen, Norway, (2)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States, (3)University of Bergen, Department of Physics and Technology, Bergen, Norway, (4)University of Leicester, Leicester, United Kingdom, (5)University of Bergen, Bergen, Norway