Solar Wind Origin in Coronal Funnels

@article{Tu2005SolarWO,
  title={Solar Wind Origin in Coronal Funnels},
  author={C. Tu and Cheng Zhou and E. Marsch and L. Xia and Liang Zhao and Jing-xiu Wang and K. Wilhelm},
  journal={Science},
  year={2005},
  volume={308},
  pages={519 - 523}
}
The origin of the solar wind in solar coronal holes has long been unclear. We establish that the solar wind starts flowing out of the corona at heights above the photosphere between 5 megameters and 20 megameters in magnetic funnels. This result is obtained by a correlation of the Doppler-velocity and radiance maps of spectral lines emitted by various ions with the force-free magnetic field as extrapolated from photospheric magnetograms to different altitudes. Specifically, we find that Ne7… Expand
Solar wind and kinetic heliophysics
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