Study of the spacecraft potential under active control and plasma density estimates during the MMS commissioning phase

Andriopoulou, M.Austrian Acad Sci, Space Res Inst, A-8010 Graz, Austria. (författare)

QC 20160719
Each spacecraft of the recently launched magnetospheric multiscale MMS mission is equipped with Active Spacecraft Potential Control (ASPOC) instruments, which control the spacecraft potential in order to reduce spacecraft charging effects. ASPOC typically reduces the spacecraft potential to a few volts. On several occasions during the commissioning phase of the mission, the ASPOC instruments were operating only on one spacecraft at a time. Taking advantage of such intervals, we derive photoelectron curves and also perform reconstructions of the uncontrolled spacecraft potential for the spacecraft with active control and estimate the electron plasma density during those periods. We also establish the criteria under which our methods can be applied.

Nakamura, R.Austrian Acad Sci, Space Res Inst, A-8010 Graz, Austria. (författare)
Torkar, K.Austrian Acad Sci, Space Res Inst, A-8010 Graz, Austria. (författare)
Baumjohann, W.Austrian Acad Sci, Space Res Inst, A-8010 Graz, Austria. (författare)
Torbert, R. B.Univ New Hampshire, Inst Study Earth Oceans & Space, Durham, NH 03824 USA. (författare)
Lindqvist, Per-ArneKTH,Rymd- och plasmafysik(Swepub:kth)u1yukyk9 (författare)
Khotyaintsev, Yuri V.Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen(Swepub:uu)ykh28990 (författare)
Dorelli, J.NASA, Goddard Space Flight Ctr, Greenbelt, MD USA. (författare)
Burch, J. L.SW Res Inst, San Antonio, TX USA. (författare)
Russell, C. T.Univ Calif Los Angeles, Dept Earth Planetary & Space Sci, Los Angeles, CA USA. (författare)
Austrian Acad Sci, Space Res Inst, A-8010 Graz, Austria.Univ New Hampshire, Inst Study Earth Oceans & Space, Durham, NH 03824 USA. (creator_code:org_t)

Av författaren/redakt...: Andriopoulou, M.; Nakamura, R.; Torkar, K.; Baumjohann, W.; Torbert, R. B.; Lindqvist, Per-A ...; visa fler...; Khotyaintsev, Yu ...; Dorelli, J.; Burch, J. L.; Russell, C. T.; visa färre...

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