d
d
Step 1-Computing the Magnetic  Field

  Step 2 - Tracing the Coronal loops

  • For constant α fields, ∇XB=α B ends up becoming the Helmholtz Equation.
  • For a given α and a photospheric flux distribution,Bz, the solution can be obtained using the Green's Function (Chiu and Hilton, 1977).
  • The Green's Function is a function of α; for different alphas we have different Green's Function.
  • Knowing the magnetic field enables the plotting of field lines.
a
                                                                   
                                                           fig.4. Bezier Curve as the foundation for tracing loops on TRACE images

Next The Fifth Slide 
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The Seventh Slide