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X-ray, optical and UV observations of the AM Her system E2003+225

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Abstract

The AM Her type object E2003+225 was observed with EXOSAT, IUE and ground-based telescopes on 1983 Oct. 12. The brightness of the ultrasoft X-ray component allowed the Objective Grating Spectrometer (OGS) to be used, which gave a model-independent determination of the temperature of the blackbody spectrum. The star was observed again on 1984 July 24 by IUE with simultaneous optical spectrophotometry. The high resolution of this observation revealed complex line profiles, and a systematic velocity much smaller than previously reported. The composite energy distribution is presented.

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Authors and Affiliations

  1. Department of Astrophysics, University of Oxford, UK

    K. Mukai, P. A. Charles & R. H. D. Corbet

  2. CEN Saclay, UK

    J. M. Bonnet-Bidaut

  3. Department of Physics, University of California, Berkeley

    S. Bowyer, J. T. Clarke & S. M. Kahn

  4. ESOC, Germany

    L. Chiappetti & J. Osborne

  5. Institute for Astronomy, University of Hawaii, USA

    J. P. Henry & G. J. Hill

  6. Dipartimento di Fisica, Universita di Milano, Italy

    L. Maraschi & A. Treves

  7. ESTEC, The Netherlands

    M. van der Klis

  8. Astronomical Institute, University of Amsterdam, The Netherlands

    J. van Paradijs

  9. Department of Physics, Columbia University, USA

    S. D. Vrtilek

Authors
  1. K. Mukai
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  2. J. M. Bonnet-Bidaut
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  3. S. Bowyer
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  4. P. A. Charles
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  5. L. Chiappetti
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  6. J. T. Clarke
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  7. R. H. D. Corbet
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  8. J. P. Henry
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  9. G. J. Hill
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  10. S. M. Kahn
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  11. L. Maraschi
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  12. J. Osborne
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  13. A. Treves
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  14. M. van der Klis
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  15. J. van Paradijs
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  16. S. D. Vrtilek
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Mukai, K., Bonnet-Bidaut, J.M., Bowyer, S. et al. X-ray, optical and UV observations of the AM Her system E2003+225. Space Sci Rev 40, 151–155 (1985). https://doi.org/10.1007/BF00212879

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  • DOI: https://doi.org/10.1007/BF00212879

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