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The Doppler motions in a filament and the underlying photosphere over the several days before its eruption are analyzed. A large filament in the northern hemisphere near the central meridian observed from August 31-September 2, 2014 erupted on September 2, 2014. The filament lost the bulk of its mass as a result of its eruption, and the process of its reconstruction had begun a day later. Observations...
Results of magnetic field measurements in prominences using the Zeeman and Hanle methods are discussed critically. By considering an example of three prominences, for which magnetic field data from both methods are available, the discrepancies between the methods are demonstrated. The authors believe that the existing Hanle method does not reflect adequately the actual reality. To overcome the discrepancies...
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