3D Topology Structure of Coronal Magnetic Field

Details 3D Topology Structure of Coronal Magnetic Field 3D Topology Structure of Coronal Magnetic Field

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006iaujd...3e..40z&link_type=abstract

Solar Active Regions and 3D Magnetic Structure, 26th meeting of the IAU, Joint Discussion 3, 16-17 August, 2006, Prague, Czech R

Physics

Scientific paper

We use the Poincaré index of isolated null-points in vector field to strictly identify 3D null-points in coronal magnetic fields reconstructed from the observed vector magnetogram of several important active regions. Base on the null-points we identified, we reveal the essential topology skeletons of 3D coronal magnetic fields. Comparing these topology skeletons with images of H-alpha, EIT, TRACE and X-ray, we find 3D topology structures of coronal magnetic fields are closely associated with solar flares and CMEs. We also find indication of 3D magnetic reconnection by studying temporal series of 3D topology structures of solar magnetic fields. To thoroughly investigate 3D topology structures of coronal magnetic fields is a key to understand the physical mechanism of solar activity.

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