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The IUE Observations of W UMa

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Binary and Multiple Stars as Tracers of Stellar Evolution

Part of the book series: Astrophysics and Space Science Library ((ASSL,volume 98))

Abstract

The low resolution, phase averaged SWP spectra reveal the trend of increased transition-region line intensities for higher temperatures of ion formation which was previously observed for other active systems. Two series of low resolution LWR spectra covering two full orbital periods have been used to check the photometric results from the ANS satellite and a good agreement is found for the 2200 Å. band. Wavelength shifts and changes in the intensity of the blended Mg II emission feature are not inconsistent with the ANS result that the more massive component is the more active one in the W UMa system.

Based on observations collected at the Villafranca Satellite Tracking Station of the European Space Agency.

On leave from the Warsaw University Observatory.

While this paper was in the press, Dr. Whelan passed away on 21 December 1981, aged 35 years.

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References

  • Bohlin, R.C., Holm, A.V., Savage, B.D., Snijders, M.A.J., Sparks, W.M.: 1980a, Astron. Astrophys. 85, 1.

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  • Eaton, J.A., Wu, C-C., Rucinski, S.M.: 1980, Astroph. Journ., 239, 919.

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  • Rucinski, S.M., Gondhalekhar, P., Pringle, J.E., Whelan, J.A.J.: 1980, Inf. Bull. Var. Stars, No. 1844.

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Author information

Authors and Affiliations

  1. Max Planck Institute for Astrophysics, Munich, Germany

    S. M. Ruciński

  2. Institute of Astronomy, Cambridge, USA

    J. E. Pringle & J. A. J. Whelan

Authors
  1. S. M. Ruciński
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  2. J. E. Pringle
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  3. J. A. J. Whelan
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Editor information

Editors and Affiliations

  1. Department of Astronomy, The University, Manchester, UK

    Zdenék Kopal

  2. Dr.-Remeis-Sternwarte Bamberg, Astronomisches Institut der Universität Erlangen-Nürnberg, Germany

    Jürgen Rahe

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© 1982 D. Reidel Publishing Company

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Ruciński, S.M., Pringle, J.E., Whelan, J.A.J. (1982). The IUE Observations of W UMa. In: Kopal, Z., Rahe, J. (eds) Binary and Multiple Stars as Tracers of Stellar Evolution. Astrophysics and Space Science Library, vol 98. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-7861-4_37

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  • DOI: https://doi.org/10.1007/978-94-009-7861-4_37

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-009-7863-8

  • Online ISBN: 978-94-009-7861-4

  • eBook Packages: Springer Book Archive

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