Correlation between ballooning instability of near-Earth plasma sheet and pre-onset auroral beading in 29 March 2009 THEMIS substorm event*

Ping Zhu1,2, Jun Liang3, Zechen Wang1 and Miho Saito4, (1)University of Science and Technology of China, Hefei, China, (2)University of Wisconsin Madison, Madison, United States, (3)University of Calgary, Calgary, AB, Canada, (4)Tokyo Institute of Technology, Earth and Planetary Sciences, Tokyo, Japan