One-parameter representation of the daily averaged solar-wind velocity |
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| Authors: | I S Veselovsky I G Persiantsev A Yu Ryazanov Yu S Shugai |
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| Institution: | (1) Skobel’tsyn Institute of Nuclear Physics, Moscow State University, Moscow, 119899, Russia |
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| Abstract: | An empirical formula was found to describe the dependence V(S) of the daily average solar-wind velocity V on the coronal-hole area S on the visible side of the Sun in the form of first-and second-order Taylor expansions. The results can be used for approximate evaluation of the solar-wind velocity at the Earth’s orbit from coronal-hole observations. |
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