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Zeeman Features from Accretion Columns in AM Herculis-Type Systems

  • D.T. Wickramasinghe (a1), I.R. Tuohy (a2) and N. Visvanathan (a2)

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 surprising and may indicate that accretion occurs onto a larger fraction of the stellar surface than had previously been thought possible.

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References

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Kemic, S.B., 1974, Joint Institute of Laboratory Astrophysics Report 113
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Wickramasinghe, D.T. and Visvanathan, N.V., 1981, Mon. Not. R. Ast. Soc., 191, 589
Wickramasinghe, D.T., Visvanathan, N.V., and Tuohy, I.R., 1984, Astrophys. J., 286, 328

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Zeeman Features from Accretion Columns in AM Herculis-Type Systems

  • D.T. Wickramasinghe (a1), I.R. Tuohy (a2) and N. Visvanathan (a2)

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