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Paper: Magnetic Fields across the Hertzsprung-Russell Diagram
Volume: 462, Progress in Solar/Stellar Physics with Helio- and Asteroseismology
Page: 295
Authors: Mathys, G.
Abstract: The research area of stellar magnetism has entered a new era in the last few years with the considerable increase in the number of spectropolarimetric instruments in regular operation at various observatories and the spectacular improvement in their performance and sensitivity compared to the previous generation of such instruments. The observations made possible by these instrumental developments, combined with refined diagnostic and modelling techniques, have led to the discovery of magnetic fields with strengths down to a few Gauss in stars of a large number of types throughout the Hertzsprung-Russell diagram. An overview of the current knowledge of stellar magnetic fields is given, with emphasis on the stellar types that are particularly relevant for asteroseismology.
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