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Multifrequency behayiour of the dwarf nova SS Cygni

  • Session 1 Stellar Structure and Evolution
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Abstract

Several years of coordinated multifrequency observations of the dwarf nova SS Cygni have been performed in order to study the accretion behaviour of this system in particular, and in general to clarify this crucial problem for the cataclysmic variables.

From IUE measurements, together with those from optical and IR ground based telescopes, we have found orbital modulations in the continuum and in the equivalent widths of the emission lines. During quiescent phases the behaviour of SS Cygni are dependent on the type of the preceding outburst (long-type or short-type).

In this paper we will discuss the physical implications one can derive from these results.

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Authors and Affiliations

  1. Istituto di Astrofisica Spaziale, CNR, Frascati, Italy

    F. Giovannelli

  2. Instituto de Astrofisica de Canarias, La Laguna, Spain

    I. Gonzalez Martinez-Pais

  3. Istituto Astronomico, Universita ‘La Sapienza’, Roma, Italy

    S. Gaudenzi, R. Lombardi & C. Rossi

  4. Osservatorio Astronomico di Padova, Italy

    R. U. Claudi

Authors
  1. F. Giovannelli
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  2. I. Gonzalez Martinez-Pais
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  3. S. Gaudenzi
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  4. R. Lombardi
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  5. C. Rossi
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  6. R. U. Claudi
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Additional information

Based on the observations performed with IUE (VILSPA) satellite, and with the telescopes of the Loiano and Roque de los Muchachos Observatories.

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Giovannelli, F., Martinez-Pais, I.G., Gaudenzi, S. et al. Multifrequency behayiour of the dwarf nova SS Cygni. Astrophys Space Sci 169, 125–132 (1990). https://doi.org/10.1007/BF00640698

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