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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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