Relation between auroral and geomagnetic pulsations at polar latitudes according to the observations on spitsbergen

Geomagnetic pulsations of the Pc4–5 type at the Barentsburg Observatory for December 2007 to January 2008 are compared with the auroral intensity variations based on the photometric records at the same observatory. In all cases, auroral pulsations similar in shape are also observed simultaneously wi...

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Bibliographic Details
Published in:Geomagnetism and Aeronomy 2010-10, Vol.50 (5), p.606-615
Main Authors: Roldugin, V. C., Roldugin, A. V.
Format: Article
Language:English
Subjects:
Atmospheric sciences
Auroras
Correlation analysis
Earth and Environmental Science
Earth Sciences
Geophysics
Geophysics/Geodesy
Magnetic fields
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Summary:Geomagnetic pulsations of the Pc4–5 type at the Barentsburg Observatory for December 2007 to January 2008 are compared with the auroral intensity variations based on the photometric records at the same observatory. In all cases, auroral pulsations similar in shape are also observed simultaneously with geomagnetic pulsations. In the morning and daytime hours, the pulsation radiance maxima fall on the positive half-periods in the H component at the observation point; in the evening and nighttime hours, they fall on the negative half-periods.
ISSN:0016-7932
1555-645X
0016-7940
DOI:10.1134/S0016793210050075