Colloquium: Comparison of astrophysical and terrestrial frequency standards

  title={Colloquium: Comparison of astrophysical and terrestrial frequency standards},
  author={John G. Hartnett and A. Luiten},
  journal={Reviews of Modern Physics},
  • John G. Hartnett, A. Luiten
  • Published 2011
  • Physics
  • Reviews of Modern Physics
  • The stability of pulse arrival times from pulsars and white dwarfs have been reanalyzed using several analysis tools for measuring the noise characteristics of sampled time and frequency data. The best terrestrial artificial clocks are shown to substantially exceed the performance of astronomical sources as timekeepers in terms of accuracy (as defined by cesium primary frequency standards) and stability. This superiority in stability can be directly demonstrated over time periods up to 2 years… CONTINUE READING
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