Xin Tao¹, Shangchun Teng¹, Jinsong Zhao², Shui Wang³ and Reeves Geoffrey⁴, (1)University of Science and Technology of China, Earth and Planetary Sciences, Hefei, China, (2)Purple Mountain Observatory, Nanjing, China, (3)USTC University of Science and Technology of China, Hefei, China, (4)Los Alamos National Laboratory, Los Alamos, NM, United States