Measuring cosmic shear with the ring statistics

  title={Measuring cosmic shear with the ring statistics},
  author={Tim Eifler and Peter Schneider and Elisabeth Krause},
Context. Commonly used methods of decomposing E- and B-modes in cosmic shear, namely the aperture mass dispersion and the E/B-mode shear correlation function, suffer from incomplete knowledge of the two-point correlation function (2PCF) on very small and/or very large scales. The ring statistics, the most recently developed cosmic shear measure, improves on this issue and is able to decompose E- and B-modes using a 2PCF measured on a finite interval. Aims. First, we improve on the ring… CONTINUE READING

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The authors want to thank Yannick Mellier and Martin Kilbinger for useful discussions and advise

  • G. Bernstein
  • 2000