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Paper: Hα Doppler Tomography of AM Her: Evidence for Bipolar Accretion
Volume: 315, Magnetic Cataclysmic Variables (IAU Colloquium 190)
Page: 274
Authors: Papadimitriou, C.; Harlaftis, E.
Abstract: We present Doppler maps of Halpha emission lines of AM Her from four different epochs. The tomography shows a strong velocity "spot" emission at (−100,−100) km s−1 and a weaker "spot" emission at (−100,−400) km s −1 which is suggestive of bi-polar accretion onto the white dwarf with stronger emission from the main pole at phase φ=0.0.
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