Hydromagnetic vortices—II. Further dawnside events |
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| Authors: | MA Saunders DJ Southwood EW Hones |
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| Institution: | Blackett Laboratory, Imperial College, London SW7 2BZ, U.K.;University of California, Los Alamos National Laboratory, Los Alamos, NM 87545, U.S.A. |
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| Abstract: | We show that the 11 December 1977 plasma vortex event—the subject of a multi-instrument investigation in Paper I (Saunders et al., 1983)—was neither atypical nor uncommon, by describing the magnetic and plasma characteristics of three further vortices recorded within 3 weeks of, and at similar locations to, the 11 December study. One of the new events has added interest since magnetic pulsations were seen simultaneously on the ground in the vicinity of the satellite magnetic “footprint”. |
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