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IUE observations of CH Cygni continuum during 1979–1986

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Abstract

Variations of the UV continuum have been analyzed. The observed UV continuum may be reproduced by a superposition of a Kurucz model atmosphere (log g=2), Teff∼8500–15000 K) and optically thin hydrogen bound-free and free-free emission (Te∼ 1000 K). The temperature of the Kurucz atmosphere is the lowest at the maximum of brightness. The flat minimum in the UV integrated flux was observed in May–October 1985.

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Authors and Affiliations

  1. Institute of Astronomy, N. Copernicus University, Toruń, Poland

    J. Mikolajewska

  2. Astronomical Observatory of Trieste, Italy

    P. L. Selvelli & M. Hack

Authors
  1. J. Mikolajewska
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  2. P. L. Selvelli
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  3. M. Hack
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Mikolajewska, J., Selvelli, P.L. & Hack, M. IUE observations of CH Cygni continuum during 1979–1986. Astrophys Space Sci 131, 725–732 (1987). https://doi.org/10.1007/BF00668165

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