Arc-shaped cyclotron emission regions in AM Herculis systems

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Ferrario, Lilia
Wickramasinghe, D. T.

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We discuss the properties of cyclotron radiation originating from homogeneous arc-shaped emission regions, taking into account the effects of field spread across the shock. We find that arc-shaped cyclotron emission regions give rise to asymmetric light and polarization curves which are in closer agreement with observations of some AM Herculis systems than previous point-source and cylindrically extended models.

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Astrophysical Journal

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