Johns Hopkins University, Baltimore, MD, United States
School of Physics, Astronomy and Computational Sciences, George Mason University Fairfax, Fairfax, VA, United States; The Johns Hopkins University, Applied Physics Laboratory, Laurel, MD, United States
Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing, National Observatory of Athens, Athens, Greece
University of Kiel, Kiel, Germany
Applied Physics Laboratory Johns Hopkins, Laurel, MD, United States
Space Research Group, Physics and Mathematics Department, University of Alcala, Alcala de Henares, Spain
The Johns Hopkins University, Applied Physics Laboratory, Laurel, MD, United States
The Johns Hopkins University, Applied Physics Laboratory, Laurel, MD, United States
Predictive Science Inc., San Diego, CA, United States