The magnetic field in the prominences of
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J. L. Leroy; V. Bommier; S. Sahal-Brechot
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Article
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1983
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Springer
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English
⚖ 375 KB
The Hanle effect method has been applied to the determination of the magnetic field in 120 prominences of the polar crown observed during the 1974-1980 period, which is the ascending phase of cycle XXI. The average field strength which was about 6 G at the beginning of the cycle reached twice this v