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Paper: The magnetic field of AR UMa
Volume: 261, The Physics of Cataclysmic Variables and Related Objects
Page: 149
Authors: Ferrario, L.; Wickramasinghe, D. T.; Schmidt, G.
Abstract: Optical spectropolarimetric observations of AR UMa in a low state of activity show a very structured circular polarisation spectrum. The strongest features in the phase-averaged spectrum can be modelled with a dipole of strength Bd ~200-235 MG displaced from the centre of the star by ~5-15% of the stellar radius along the magnetic axis.
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