Computer Science
Scientific paper
Nov 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993spie.2050...20f&link_type=abstract
Proc. SPIE Vol. 2050, p. 20-26, Airglow and Aurora, Sergej Leontyev; Ed.
Computer Science
Scientific paper
Determining the mechanism which produces poleward-moving auroral forms (PMAFs) is a very controversial topic. Satellites have recorded flux erosion at the dayside magnetopause. Some studies have shown possible connections between PMAFs and flux transfer at the dayside magnetopause. More evidence is needed before poleward-moving auroral forms can be linked to the flux transfer events seen by satellites. This paper presents some new results from a statistical study on PMAFs. This statistical study has identified 476 PMAFs from twelve years of ground-based optical data. From this data base a time distribution between successive PMAF events is presented. The mean time found between successive PMAF events is 6 minutes. A comparison between the distribution of inter-FTEs intervals at the magnetopause found by Lockwood and Wild and the intervals between PMAF events in the ionosphere is shown. This correlation may provide more evidence for linking PMAFs to flux transfer at the magnetopause.
Deehr Charles S.
Fasel Gerard J.
Lee Lou C.
Minow Joseph I.
Smith Roger W.
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