Modelling the Quiet Sun Photospheric Magnetic Field

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• Dr. Karen Meyer (University of St Andrews)
• Monday 20 October 2014, 16:00-17:00
• MR14, Centre for Mathematical Sciences, Wilberforce Road, Cambridge.

If you have a question about this talk, please contact Dr. Jaroslav Dudik.

The magnetic carpet model of Meyer, Mackay, van Ballegooijen & Parnell (2011) successfully simulated the realistic evolution of small-scale photospheric magnetic fields on the Sun, and reproduced many observed results. We have now extended this model to cover the full Sun as part of the development of a realistic, global model for the surface evolution of solar magnetic fields. At present, the model simulates only smaller-scale magnetic fields. This in itself is an interesting case to study, as one possible scenario for the Sun during a grand minimum in activity is that there would be no active regions or larger scale magnetic activity. Here we present initial results from simulations of the global, quiet Sun magnetic field.

This talk is part of the DAMTP Astrophysics Seminars series.

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