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A Search for Polarization in Diffuse Interstellar Bands Towards HD197770

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The Diffuse Interstellar Bands

Part of the book series: Astrophysics and Space Science Library ((ASSL,volume 202))

Abstract

High-precision spectropolarimetry of the reddened star HD197770 reveals the 5780Å and 5797Å diffuse interstellar features to be unpolarized, in contrast to the reported polarization of the 2175Å “graphite” bump in this line of sight. This result rules out a connection between these DIBs’ carrier and the small, presumably carbonaceous, grains responsible for the 2175Å absorption.

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Author information

Authors and Affiliations

  1. University of Central Lancashire, Preston, PR1 2HE, UK

    A. J. Adamson

  2. Rensselaer Polytechnic Institute, Troy, NY, USA

    D. C. B. Whittet

Authors
  1. A. J. Adamson
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  2. D. C. B. Whittet
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Editor information

Editors and Affiliations

  1. NASA Ames Research Center, Moffett Field, CA, USA

    A. G. G. M. Tielens

  2. Center for Astrophysics and Space Astronomy, University of Colorado, Boulder, CO, USA

    T. P. Snow

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© 1995 Springer Science+Business Media Dordrecht

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Adamson, A.J., Whittet, D.C.B. (1995). A Search for Polarization in Diffuse Interstellar Bands Towards HD197770. In: Tielens, A.G.G.M., Snow, T.P. (eds) The Diffuse Interstellar Bands. Astrophysics and Space Science Library, vol 202. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0373-2_8

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  • DOI: https://doi.org/10.1007/978-94-011-0373-2_8

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-4167-6

  • Online ISBN: 978-94-011-0373-2

  • eBook Packages: Springer Book Archive

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