Numerical Analysis Seminars: Understanding the Solar Coronal Magnetic Field using the Magnetic Skeleton
20 February 2015 14:00 in CM105
The magnetic field of the solar corona plays an important role in many dynamic phenomena such as coronal mass ejections and solar flares as well as being important for the solar wind. By considering magnetic field lines alone it is difficult to visualize the complexities of a magnetic field in 3D. In this talk I describe the "magnetic skeleton" which is a network of null points and associated structures that can describe any magnetic field robustly against all ideal motions of the field.
I will describe the building blocks of the magnetic skeleton in general as well as particular elements that are important to our models of the solar corona before introducing our numerical methods for finding the skeleton. Lastly, I will present results both from example magnetic field cases and from extrapolations of the coronal magnetic field from observations.
Collaborators: C. E. Parnell, A. L. Haynes (University of St Andrews)
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