Constraints on the Magnetic Morphology of Old Sun-like Stars (Contributed speaker)

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• Travis Metcalfe (White Dwarf Research Corp)
• Friday 16 September 2022, 14:30-15:15
• Seminar Room 1, Newton Institute.

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DY2W01 - Dynamos in planets and stars - similarities and differences

Spectropolarimetry can provide observational constraints on the strength and morphology of the large-scale magnetic field in Sun-like stars. To date, very few measurements have been available for stars that are more evolved than the Sun. Recent evidence suggests a substantial transformation of the large-scale field in older stars, so new measurements are finally becoming available. I will present the latest spectropolarimetric observations from the Large Binocular Telescope, and offer an interpretation that yields a new understanding of the evolution of Sun-like stars across this magnetic transition.

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

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