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The horse-collar aurora - A frequent pattern of the aurora in quiet timesThe frequent appearance of the 'horse-collar aurora' pattern in quiet-time DE 1 images is reported, presenting a two-hour image sequence that displays the basic features and shows that it sometimes evolves toward the theta configuration. There is some evidence for interplanetary magnetic field B(y) influence on the temporal development of the pattern. A preliminary statistical analysis finds the pattern appearing in one-third or more of the image sequences recorded during quiet times.
Document ID
19890039264
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Hones, E. W., Jr.
(Los Alamos National Laboratory NM, United States)
Craven, J. D.
(Los Alamos National Lab. NM, United States)
Frank, L. A.
(Iowa, University Iowa City, United States)
Evans, D. S.
(NOAA Boulder, CO, United States)
Newell, P. T.
(Johns Hopkins University Laurel, MD, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1989
Publication Information
Publication: Geophysical Research Letters
Volume: 16
ISSN: 0094-8276
Subject Category
Geophysics
Accession Number
89A26635
Funding Number(s)
CONTRACT_GRANT: NAG4-83
CONTRACT_GRANT: N00014-85-K-0404
CONTRACT_GRANT: NASA ORDER S-56312-D
CONTRACT_GRANT: NGL-16-001-002
Distribution Limits
Public
Copyright
Other

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