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arXiv · 1205.5114

Twists to Solar Spicules

Robert J. Rutten
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Abstract

Type-II solar spicules appear as long, thin, highly dynamic strands of field-tied matter that feed significant mass and energy to the corona and solar wind. A recent result is that they exhibit torsional Alfvén waves in addition to accelerating outflows and swaying motions due to transverse Alfvénic waves. I summarize this finding and then re-interpret older observations in its light: the striking similarity of near-limb scenes in the outer blue and red wings of Hα, and the tilts of absorption lines with respect to emission lines in eclipse spectra taken in 1973.

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Robert J. Rutten. 2012-05-23. Twists to Solar Spicules. https://arxiv.org/abs/1205.5114

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