Kathleen Gwen Hanley¹, David L Mitchell², James P McFadden³, Christopher M Fowler², Shaosui Xu² and Tristan David Weber⁴, (1)Space Sciences Laboratory, Berkeley, CA, United States, (2)Space Sciences Laboratory, University of California Berkeley, Berkeley, CA, United States, (3)Space Sciences Laboratory, University of California at Berkeley, Berkeley, CA, United States, (4)LASP, University of Colorado, Boulder, CO, United States