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Zeeman features from accretion columns in AM Herculis-type systems

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Abstract

Absorption features seen in the bright phase spectra of E1405-451 are identified with Zeeman features of Hα originating from cool (T∼104–105°K) material surrounding the accretion shock. The presence of apparently unshocked material surrounding the cyclotron emission region is surpring and may indicate that accretion occurs onto a larger fraction of the stellar surface than had previously been thought possible.

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Authors and Affiliations

  1. Department of Mathematics, Faculty of Science, Australian National University, Canberra, Australia

    D. T. Wickramasinghe

  2. Mount Stromlo and Siding Spring Observatories, Australian National University, Canberra, Australia

    I. R. Tuohy & N. Visvanathan

Authors
  1. D. T. Wickramasinghe
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  2. I. R. Tuohy
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  3. N. Visvanathan
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Wickramasinghe, D.T., Tuohy, I.R. & Visvanathan, N. Zeeman features from accretion columns in AM Herculis-type systems. Astrophys Space Sci 131, 601–606 (1987). https://doi.org/10.1007/BF00668144

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  • DOI: https://doi.org/10.1007/BF00668144

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