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NAM2012 - All Presentation Details

Record 621 of 756

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Force-Free and MHD Models of the Coronal Magnetic Field

Author: Duncan H Mackay

University of St Andrews


Session: SP2: Solar coronal magnetic fields

Presentation type: Talk      10:00  Friday 30th 10:00-11:15 


With the new space missions of HINODE and SDO we now have detailed observations of the Sun's photospheric magnetic field over a wide range of spatial and temporal scales. This includes scales ranging from the magnetic carpet all the way to active regions and the global field. In this review I will discuss the wide range of theoretical models that have been developed to extrapolate photospheric magnetic field observations into the corona. To begin with non-linear force-free field techniques will be described and applications considered. Following on from this, recent developments in MHD modelling using photospheric magnetograms will be described. For each application of the models, the success of these models when compared to coronal observations will be discussed.

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