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A transient auroral event on the daysideA strong perturbation lasting about 10 min, beginning at 0930 UT on December 5, 1986, was recorded by high-latitude magnetometer stations in Greenland, Iqaluit, and the South Pole. Viking and Polar Bear satellite observations of the perturbation and observations of similar perturbations on the afternoon side in Svalbard, Heiss Island, and northern Siberia are also reported. It is suggested that the likely source of the perturbation is a magnetic disturbance in the solar wind observed by ISEE 1/2 and IMP 8. The perturbation is interpreted as an impulsive penetration of solar wind plasma on an interplanetary magnetic flux tube occurring through the magnetopause, ending in the low latitude boundary layer.
Document ID
19900029446
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Heikkila, Walter J.
(Texas, University Richardson, United States)
Jorgensen, T. Stockflet T.
(Danske Meteorologiske Institut Copenhagen, Denmark)
Lanzerotti, Louis J.
(Texas Univ. at Dallas Richardson, TX, United States)
Maclennan, Carol G.
(AT&T Bell Laboratories Murray Hill, NJ, United States)
Date Acquired
August 14, 2013
Publication Date
November 1, 1989
Publication Information
Publication: Journal of Geophysical Research
Volume: 94
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
90A16501
Funding Number(s)
CONTRACT_GRANT: NSF ATM-85-04269
CONTRACT_GRANT: NAGW-935
Distribution Limits
Public
Copyright
Other

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