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Mass motions in a flare spray

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Abstract

High velocity Hα ejections were observed in association with an important solar flare on March 12, 1969, and simultaneously with Type II followed by Type IV radio emission detectable to 3–4 solar radii (R ⊙) from the center of the Sun. From a sequence of Hα coronagraph photographs, trajectories and velocity determinations were made for fragments of the flare spray which was visible to a distance of 2 R ⊙. The temporal and spatial relationship between the optical and radio events is discussed. The mass motions appear to be controlled by the gravitational field while the fragments move in the direction of the open magnetic field lines.

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  1. Institute for Astronomy, University of Hawaii, 96822, Honolulu, Hawaii, U.S.A

    Marie K. McCabe

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  1. Marie K. McCabe
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McCabe, M.K. Mass motions in a flare spray. Sol Phys 19, 451–462 (1971). https://doi.org/10.1007/BF00146072

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  • DOI: https://doi.org/10.1007/BF00146072

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