Observational Keynote 2: Observing and Understanding Flows and Magnetic Fields in the Sun

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• Hannah Schunker (University of Newcastle, Australia)
• Monday 28 November 2022, 13:45-14:45
• Seminar Room 1, Newton Institute.

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DY2W03 - Modeling, observing and understanding flows and magnetic fields in the Earth's core and in the Sun

The Sun’s magnetic field is generated somewhere in the interior and emerges onto the surface. Understanding which flows in the Sun are responsible for the generation of these magnetically active regions will constrain the location of the solar dynamo in the interior. The Helioseismic and Magnetic Imager onboard NASA ’s space-based Solar Dynamics Observatory mission has been instrumental in enabling helioseismic investigations of the observed flows associated with emerging active regions. Coupled with sophisticated numerical simulations, the interpretation of the observations is challenging the prevailing idea that magnetically active regions on the surface of the Sun have their origins in a deep seated solar dynamo mechanism, and that the convective flows play an important role.  

This talk is part of the Isaac Newton Institute Seminar Series series.

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