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astro-ph.SR2025★ 4 cited
Weak or strong: coupling of mixed oscillation modes on the red-giant branch
T. van Lier, J. Müller, S. Hekker
Context. The high precision of recent asteroseismic observations of red-giant stars has revealed the presence of mixed dipole modes in their oscillation spectra. These modes allow…
astro-ph.SR2025★ 6 cited
Oscillations of red giant stars with magnetic damping in the core. I. Dissipation of mode energy in dipole-like magnetic fields
Jonas Müller, Quentin Coppée, Saskia Hekker
Strong magnetic fields in the core of red-giant branch stars are expected to suppress the amplitudes of the multipole modes. This occurs when the strength of the internal magnetic…