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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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