*CHASTON Christopher¹、BONNELL John²、WYGANT John³、KLETZING Craig⁴、MOZER Forrest²、BALE Stuart²、KURTH William⁴、HOSPARDARSKY George⁴、KERSTEN Kris³、BRENEMAN Aaron³、SMITH Charles⁵、MACDONALD Elizabeth⁶ (1.School of Physics, University of Sydney, Sydney, NSW, Australia、2.Space Sciences Laboratory, University of California, Berkeley, CA, USA、3.School of Physics and Astronomy, University of Minnesota, Minneapolis, MN, USA、4.Department of Physics and Astronomy, University of Iowa, Iowa City, IA, USA、5.Department of Physics and IEOS, University of New Hampshire, Durham, NH, USA、6.Los Alamos National Laboratory, Los Alamos, NM, USA)