Is AGN Variability Correlated with Other AGN Properties?—ZDCF Analysis of Small Samples of Sparse Light Curves

  • Tal Alexander
Part of the Astrophysics and Space Science Library book series (ASSL, volume 218)


A new method for estimating the cross-correlation function (CCF) of light curves, the z-transformed discrete correlation function (ZDCF), is demonstrated by uncovering a noisy correlation between AGN variability timescale and luminosity in a small sample of sparsely sampled light curves.


Light Curf Dependent Pair Equal Population Variability Timescale Discrete Correlation Function 
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Copyright information

© Springer Science+Business Media Dordrecht 1997

Authors and Affiliations

  • Tal Alexander
    • 1
  1. 1.School of Physics and AstronomyTel Aviv UniversityTel AvivIsrael

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