2021
DOI: 10.48550/arxiv.2110.03695
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Magnetic Archaeology of Early-Type Stellar Dynamos

Adam S. Jermyn,
Matteo Cantiello

Abstract: Early-type stars show a bimodal distribution of magnetic field strengths, with some showing very strong fields ( 1 kG) and others very weak fields ( 10 G). Recently, we proposed that this reflects the processing or lackthereof of fossil fields by subsurface convection zones. Stars with weak fossil fields process these at the surface into even weaker dynamo-generated fields, while in stars with stronger fossil fields magnetism inhibits convection, allowing the fossil field to remain as-is. We now expand on this… Show more

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