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Title of Article

SOLAR ULTRAVIOLET RADIATION AS A POSSIBLE CAUSE OF LONG-PERIOD PREFLARE FLUCTUATIONS OF THE HORIZONTAL COMPONENT OF THE GEOMAGNETIC FIELD


Issue
6
Date
2013

Article type
scientific article
UDC
523.9-739:550.380.25:523.985-125
Pages
88-93
Keywords
solar ultraviolet emission, H component of the geomagnetic field, proton flares, preflare situations, wavelet analysis


Authors
Smirnova A.S.
Nauchno-issledovatelskiyradiofizicheskiy institut, N. Novgorod

Snegirev S.D.
Nauchno-issledovatelskiyradiofizicheskiy institut, N. Novgorod

Sheyner O.A.
Nauchno-issledovatelskiyradiofizicheskiy institut, N. Novgorod


Abstract
Wavelet spectra of solar ultraviolet radiation before proton flares are studied and a comparison is carried out of the preflare behavior of long-period solar UV radiation spectral components and the H component of the geomagnetic field. Long-period (30–60 minutes) pulsations of the H component of the geomagnetic field according to ground-based measurements have been found to be in compliance with those of solar UV radiation spectral components 3–1 days before a proton flare.

File (in Russian)