Magnetic activity induces frequency shifts that bias asteroseismic age estimates by up to 10% and helium abundance by up to 3% in solar-like stars.
On the ultimate accuracy of solar oscillation frequency measurements
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This review summarizes the development, techniques, and open questions in asteroseismology of solar-type stars whose oscillations are stochastically excited by surface convection.
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Influence of magnetic activity on the determination of stellar parameters through asteroseismology
Magnetic activity induces frequency shifts that bias asteroseismic age estimates by up to 10% and helium abundance by up to 3% in solar-like stars.
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Asteroseismology of solar-type stars
This review summarizes the development, techniques, and open questions in asteroseismology of solar-type stars whose oscillations are stochastically excited by surface convection.