Latitude dependence of auroral frequency
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Y. Liritzis; B. Petropoulos
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Article
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1987
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Springer Netherlands
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English
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The aurora1 frequency of occurrences (A) for the 20th solar cycle and for the geomagnetic latitudes 54"-63" N has been investigated in relation to sunspot numbers (R,), number of flares (F), the solar wind streams derived from the coronal holes (H) and the geomagnetic index (A,). The relationship be