Statistical Properties of Substorm Auroral Onset Beads/rays

Yukitoshi Nishimura1, Jian Yang2, Philip L Pritchett3, Ferdinand V Coroniti1, Eric Donovan4, Larry R Lyons5, Richard Wolf2, Vassilis Angelopoulos6 and Stephen B Mende7, (1)University of California Los Angeles, Los Angeles, CA, United States, (2)Rice University, Physics and Astronomy Department, Houston, TX, United States, (3)University of California Los Angeles, Department of Physics and Astronomy, Los Angeles, CA, United States, (4)University of Calgary, Calgary, AB, Canada, (5)University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (6)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States, (7)University of California, Berkeley, Space Sciences Laboratory, Berkeley, United States