Matteo Cantiello edited We_quantify_the_mass_dependence__.tex  almost 9 years ago

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Red giants above 1.6\msol\ show a remarkable suppression rate of 50-60\%.  These evolved from main-sequence A-type stars, among which only up to $\approx 10$\% are observed to have strong fields at their surfaces  \citep{2008CoSka..38..443P}.   We %We  conclude that main sequence magnetic A stars can only account for a small fraction of the red giants with suppressed modes. %We We  conclude that these magnetic A stars represent only the tip of the iceberg, and that a much larger fraction of A %stars stars  have strong magnetic fields hidden in their cores. %The rapid fractional increase reaching 50-60\% for stars above 1.6\msol, coincides  %with the mass beyond which about 10\% of hydrogen-core burning A-stars are