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The Optical Variability of 3C345

  • M. R. Kidger
  • J. E. Beckman
Chapter
Part of the Astrophysics and Space Science Library book series (ASSL, volume 121)

Abstract

The publication by Lloyd (1984) of new and revised data for a sample of active nuclei brought the number of published observations of 3C345 up to over 900, between 1965 and 1980. Since the last major study, by Barbieri et al. (1977), sufficient new data has been produced to merit a complete revision of previous analysis. A compilation of the lightcurve and Fourier Transform analysis are presented here and compared with previous studies. We find no strong evidence for long lasting major periodicities, in contradiction to some other published conclusions.

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References

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Copyright information

© Springer Science+Business Media Dordrecht 1986

Authors and Affiliations

  • M. R. Kidger
    • 1
  • J. E. Beckman
    • 1
  1. 1.Instituto de Astrofísica de CanariasUniversidad de La LagunaTenerifeSpain

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