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| Paper: |
Statistical Study of the Magnetic Field in Solar Filaments |
| Volume: |
526, Solar Polarization Workshop 8 |
| Page: |
275 |
| Authors: |
Hanaoka, Y.; Sakurai, T.; IRMag Group |
| Abstract: |
We carried out a statistical study of the magnetic field orientation in
solar filaments based on our daily full-Sun, full-Stokes
spectropolarimetric observations using the He I 10830 line. The
analysis of more than 400 filaments revealed that the sense of rotation
of the magnetic field direction in filaments with respect to their axes
shows strong hemispheric dependence, and that the angle of rotation of
the magnetic field concentrates between 10–30 degrees. The hemispheric
pattern of the filament magnetic field is consistent with that known in
the fine structure of filaments and the magnetic field of limb prominences. |
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