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The horizontal component of spicule motion

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Abstract

In movies of Hα spectra taken with the slit tangential to the solar limb we can observe motion of spicules both parallel to the slit and along the line of sight. We find strong evidence that, although most motion is along the axis of the spicule, some features move at right angles to their axes. Several cases were observed of features separating into two widely-split components. A power spectrum of the changes of Doppler shifts with time shows the 1/frequency characteristics of random motion.

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Authors and Affiliations

  1. Hale Observatories, Carnegie Institution of Washington, California Institute of Technology, Pasadena, Calif., U.S.A.

    Spencer R. Weart

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  1. Spencer R. Weart
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Weart, S.R. The horizontal component of spicule motion. Sol Phys 14, 310–314 (1970). https://doi.org/10.1007/BF00221316

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  • DOI: https://doi.org/10.1007/BF00221316

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