Magnetic Cycles in a Convective Dynamo Simulation of a Young Solar-type Star

  title={Magnetic Cycles in a Convective Dynamo Simulation of a Young Solar-type Star},
  author={Benjamin P. Brown and Mark S. Miesch and Matthew K. Browning and A. S. Brun and J. Toomre},
Young solar-type stars rotate rapidly and many are magnetically active. Some appear to undergo magnetic cycles similar to the 22 yr solar activity cycle. We conduct simulations of dynamo action in rapidly rotating suns with the three-dimensional magnetohydrodynamic anelastic spherical harmonic (ASH) code to explore dynamo action achieved in the convective envelope of a solar-type star rotating at five times the current solar rotation rate. We find that dynamo action builds substantial organized… CONTINUE READING
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