1. Department of Astrophysical Sciences, Princeton Plasma Physics Laboratory, Princeton Center for Heliophysics, and Max Planck/Princeton Center for Plasma Physics, Princeton University, Princeton, New Jersey 08543, USA
2. Department of Astronomy and Columbia Astrophysics Laboratory, Columbia University, New York, New York 10027, USA
3. Center for Computational Astrophysics, Flatiron Institute, New York, New York 10010, USA