Physics
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufmsm31a1218y&link_type=abstract
American Geophysical Union, Fall Meeting 2004, abstract #SM31A-1218
Physics
2700 Magnetospheric Physics, 2704 Auroral Phenomena (2407), 2716 Energetic Particles, Precipitating, 2736 Magnetosphere/Ionosphere Interactions, 2740 Magnetospheric Configuration And Dynamics
Scientific paper
We investigated characteristics of auroral particles precipitating to a brightening arc at the initial phase of a substorm, using auroral images obtained by high-time resolution (0.25 s) all-sky TV camera, particle data obtained by the DMSP F10 spacecraft and high-latitude magnetograms. The arc brightening was observed at 0407 UT on December 30, 1994 at Fort Smith (67.0 MLAT), Canada, coincident with high-latitude Pi 2 magnetic pulsations. The event has two characteristics; 1) the brightening did not develop into global scale (pseudo-breakup), and 2) Fort Smith seemed to be duskside of the main onset region. From the simultaneous DMSP particle data, we found that the brightening arc corresponded to an electron inverted-V structure near the equatorward edge of the electron precipitation region and at ~2 deg poleward of the equatorward edge of the ion precipitation region. This fact suggests that for the present event, the pseudo-breakup of auroral substorm occurred in the inner part of the plasma sheet.
Shiokawa Kazuhiko
Yago K.
Yumoto Kiyo
No associations
LandOfFree
Auroral particles associated with a brightening arc does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Auroral particles associated with a brightening arc, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Auroral particles associated with a brightening arc will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1468075