Does solar structure vary with solar magnetic activity?
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🌌 astro-ph
keywords
changessolaractivitychangegammamagneticstructureable
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We present evidence that solar structure changes with changes in solar activity. We find that the adiabatic index, Gamma_1, changes near the second helium ionization, i.e., at a depth of about 0.98 R_sun. We believe that this change is a result of the change in the effective equation of state caused by magnetic fields. Inversions should be able to detect the changes in Gamma_1 if mode sets with reliable and precise high-degree modes are available.
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Cited by 1 Pith paper
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