Coronal disturbances |
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Authors: | W. J. Wagner Richard T. Hansen Shirley F. Hansen |
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Affiliation: | 1. Sacramento Peak Observatory, AFCRL, Sunspot, N.M., U.S.A. 2. High Altitude Observatory, NCAR, Mauna Loa, H.I., U.S.A.
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Abstract: | A fast coronal transient event was observed simultaneously on 17 February 1972 by the Sacramento Peak Observatory 6-in. λ 5303 filter coronagraph and the High Altitude Observatory K-coronameter. We interpret the rapid opening of green line structure cospatial with the disappearance of a white light streamer as material motion of iron ions and electrons. Together with the subsequent two-fold increase in K-corona brightness in an adjacent region, this is taken as evidence of a transference of electrons to a new streamer in a realignment of magnetic flux tubes accompanying a flare. |
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