Letter | Published:

Circular polarisation in HDE226868

Naturevolume 254pages3940 (1975) | Download Citation

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Abstract

MUCH effort is being expended to develop an understanding of the details of X-ray production in some astronomical sources. Accretion on to magnetic poles is the mechanism most often invoked for X-ray production in collapsed stars. Strong magnetic fields, such as those associated with collapsed objects, are capable of producing observable circular polarisation; so it is of great interest to determine whether HDE226868, the binary containing Cyg X-1, exhibits this effect.

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References

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    Nikulin, N. S., Kuvshinov, V. M., and Severny, A. B., Astrophys. J. Lett., 170, L53–L58 (1971).

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    Stokes, R. A., Swedlund, J. B., Avery, R. W., and Michalsky, J. J., Astr. J., 79, 678–681 (1974).

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Affiliations

  1. Battelle Pacific Northwest Laboratories, Richland, Washington, 99352

    • J. J. MICHALSKY
    •  & J. B. SWEDLUND
  2. Department of Physics and Astronomy, University of Kentucky, Lexington, Kentucky, 40506

    • R. W. AVERY

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https://doi.org/10.1038/254039a0

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