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1981•Monthly Notices of the Royal Astronomical SocietyOpen access

Internal motions in magnetic stars

J. Nittmann, W. P. Wood

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Abstract

The dynamically driven, adiabatic, internal motions for an obliquely rotating magnetic star are estimated for the case where the toroidal component of the magnetic field dominates. The consequent mixing due to these motions is discussed in relation to: (i) the diffusion theory for the Ap phenomena, and (ii) the Blue Straggler stars. Also we report the behaviour of the time-scales for the obliquity angle to reach its asymptotic state for a range of stellar masses for stars with either dominant poloidal or toroidal magnetic fields.

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The dynamically driven, adiabatic, internal motions for an obliquely rotating magnetic star are estimated for the case where the toroidal component of the magnetic field dominates. The consequent mixing due to these motions is discussed in relation to: (i) the diffusion theory for the Ap phenomena, and (ii) the Blue Straggler stars. Also we report the behaviour of the time-scales for the obliquity angle to reach its asymptotic state for a range of stellar masses for stars with either dominant poloidal or toroidal magnetic fields.

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Available abstract

The dynamically driven, adiabatic, internal motions for an obliquely rotating magnetic star are estimated for the case where the toroidal component of the magnetic field dominates. The consequent mixing due to these motions is discussed in relation to: (i) the diffusion theory for the Ap phenomena, and (ii) the Blue Straggler stars. Also we report the behaviour of the time-scales for the obliquity angle to reach its asymptotic state for a range of stellar masses for stars with either dominant poloidal or toroidal magnetic fields.

Key concepts: Physics, Stars, Astrophysics, Magnetic field, Adiabatic process, Toroid, Stellar rotation, Stellar structure

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