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Magnetic fields of Sun-like stars

Published online by Cambridge University Press:  07 August 2014

Rim Fares
Rim Fares*
Affiliation:
School of Physics and Astronomy, University of St Andrews, KY16 9SS, Scotland, UK email: rim.fares@st-andrews.ac.uk
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Abstract

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Magnetic fields play an important role at all stages of stellar evolution. In Sun-like stars, they are generated in the outer convective layers. Studying the large-scale magnetic fields of these stars enlightens our understanding of the field properties and gives us observational constraints for the field generation models. In this review, I summarise the current observational picture of the large-scale magnetic fields of Sun-like stars, in particular solar-twins and planet-host stars. I will discuss the observations of large-scale magnetic cycles, and compare these to the solar cycle.

Keywords

stars: magnetic fields – stars: activity – stars: individual – techniques: spectropolarimetry

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