Reference : Observation of dayside subauroral proton flashes with the IMAGE-FUV imagers
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Multidisciplinary, general & others
http://hdl.handle.net/2268/30531
Observation of dayside subauroral proton flashes with the IMAGE-FUV imagers
English
Hubert, Benoît mailto [Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP) >]
Gérard, Jean-Claude mailto [Université de Liège - ULiège > Département d'astrophys.]
Fuselier, S. A. [> > > >]
Mende, S. B. [> > > >]
14-Feb-2003
Geophysical Research Letters
American Geophysical Union
30
3
45-1
Yes (verified by ORBi)
International
0094-8276
Washington
DC
[en] Magnetospheric Physics: Auroral phenomena (2407) ; Magnetospheric Physics: Solar wind/magnetosphere interactions ; precipitating ; Magnetospheric Physics: Energetic particles
[en] [1] A detailed description of an intense flash of auroral emissions that occurs equatorward of the dayside auroral oval observed with the IMAGE-FUV imagers is presented. The comparison of simultaneous snapshots of this subauroral flash obtained with the three FUV cameras indicates that proton precipitation is dominant. This transient proton aurora is triggered by the sudden increase of a solar wind dynamic pressure pulse. It occurs on closed field lines mapping to the equatorial plane at distances as small as similar to4 RE. A second similar event is presented, and several other cases are mentioned. These shock induced transcient emissions develop with a time scale of a few minutes (typically similar to5 min), and have a relaxation time on the order of similar to10 minutes.
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/30531
also: http://hdl.handle.net/2268/86477
10.1029/2002GL016464
http://adsabs.harvard.edu/abs/2003GeoRL..30c..45H

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