Coordinated Imaging of Stable Auroral Red (SAR) Arcs

Details Coordinated Imaging of Stable Auroral Red (SAR) Arcs Coordinated Imaging of Stable Auroral Red (SAR) Arcs

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agusm..sa52a10w&link_type=abstract

American Geophysical Union, Spring Meeting 2001, abstract #SA52A-10

Physics

2443 Midlatitude Ionosphere

Scientific paper

An all-sky imaging system recently established at Northern Michigan University (46.5 N, 87.3 W), in collaboration with Cornell University, observed SAR arc events on several nights with simulataneous observations made using the Boston University CEDAR imager at Millstone Hill (42.6 N, 70.5 W). These were on 11 October, 7 and 8 November, 1999, and 6 February and 31 March, 2000. The images have been processed and merged to show the longitudinal extension of SAR arc features over an extensive longitude range at sub-auroral L-shells. Variations in brightness and structure are seen, and same-night ( but not coincident) coverage of the DMSP satellite show the topside F-region signatures in electron density, electron temperature and plasma drift speeds that prevailed prior to the image datasets.

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