Coronal structures as tracers of sub-surface processes |
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| Authors: | Alexei A Pevtsov Richard C Canfield |
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| Institution: | (1) Montana State University, 59717 Bozeman, MT, USA |
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| Abstract: | The solar corona – one of the most spectacular celestial shows and yet one of the most challenging puzzles –
exhibits a spectrum of structures related to both the quiet Sun and active regions. In spite of dramatic differences in appearance
and physical processes, all these structures share a common origin: they are all related to the solar magnetic field. The
origin of the field is beneath the turbulent convection zone, where the magnetic field is not a master but a slave, and one
can wonder how much the coronal magnetic field “remembers” its dynamo origin. Surprisingly, it does.
We will describe several observational phenolmena that indicate a close relationship between coronal and sub-photospheric
processes. |
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| Keywords: | Sun solar corona magnetic field helicity |
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