Abstract
From material secured with the McMath Solar Telescope of the Kitt Peak National Observatory rotational (orbital) motion has been found in a prominence ejected from a rotating flare. A period of rotation of 32 min has been derived from the study of a periodic asymmetry of the AL i 3961 absorption line.
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Öhman, Y. Remark on rotational motions in flares and prominences. Sol Phys 23, 134–141 (1972). https://doi.org/10.1007/BF00153896
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DOI: https://doi.org/10.1007/BF00153896