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Discovery of Interstellar Circular Polarization in the Direction of the Crab Nebula

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Interstellar Dust and Related Topics

Part of the book series: International Astronomical Union / Union Astronomique Internationale ((IAUS,volume 52))

Abstract

A search in many small regions of the Crab Nebula has resulted in the detection of a small component of circular polarization. The variation of the sign and magnitude with position in the Nebula indicates that the polarization is of interstellar origin. On the basis of the polarity, strength, and colour dependence, it is concluded that the composition of the aligned grains causing this polarization is dielectric. Metallic particles are clearly ruled out.

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Author information

Author notes

  1. P. G. Martin

    Present address: Dept. of Astronomy, University of Tornoto, Tornoto, Onatario, Canada

Authors and Affiliations

  1. Institute of Theoretical Astronomy, Madingley Road, Cambridge, England

    P. G. Martin

  2. Columbia Astrophysics Laboratory, Columbia University, 10027, New York, NY, USA

    R. Illing & J. R. P. Angel

Authors
  1. P. G. Martin
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  2. R. Illing
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  3. J. R. P. Angel
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Editor information

Editors and Affiliations

  1. State University of New York, Albany, USA

    J. Mayo Greenberg

  2. Dudley Observatory, USA

    J. Mayo Greenberg

  3. Sterrewacht, Leiden, The Netherlands

    H. C. Van De Hulst

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© 1973 IAU

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Martin, P.G., Illing, R., Angel, J.R.P. (1973). Discovery of Interstellar Circular Polarization in the Direction of the Crab Nebula. In: Greenberg, J.M., Van De Hulst, H.C. (eds) Interstellar Dust and Related Topics. International Astronomical Union / Union Astronomique Internationale, vol 52. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-2664-2_24

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  • DOI: https://doi.org/10.1007/978-94-010-2664-2_24

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-2666-6

  • Online ISBN: 978-94-010-2664-2

  • eBook Packages: Springer Book Archive

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