Observations of Ion Flattop Distributions in the Downstream Region of Earth’s Quasi-Perpendicular Bow Shock

Hee-Eun Kim, School of Space Research, Kyung Hee University, Yongin, South Korea, Ensang Lee, Dept. of Astronomy and Space Science, Kyung Hee University, Yongin, Gyeonggi, South Korea and George K Parks, Space Sciences Laboratory, University of California, Berkeley, USA, Berkeley, CA, United States