Trapped Ring Current Ion Dynamics During the 17-18 March 2015 Geomagnetic Storm Obtained from TWINS ENA Images

Joseph D Perez1, Jerry Goldstein2, David J McComas2, Philip W Valek3, Mei-Ching Hannah Fok4 and Kyoung-Joo Hwang4, (1)Auburn University, Physics Department, Auburn, AL, United States, (2)Southwest Research Institute, San Antonio, TX, United States, (3)Southwest Research Institute, San Antonio, United States, (4)NASA Goddard Space Flight Center, Greenbelt, MD, United States