Fitting formulae of the reduced-shear power spectrum for weak lensing

@article{Kilbinger2010FittingFO,
  title={Fitting formulae of the reduced-shear power spectrum for weak lensing},
  author={M. Kilbinger},
  journal={Astronomy and Astrophysics},
  year={2010},
  volume={519}
}
Context. Weak gravitational lensing is a powerful probe of large-scale structure and cosmology. Most commonly, second-order correlations of observed galaxy ellipticities are expressed as a projection of the matter power spectrum, corresponding to the lowest-order approximation between the projected and the three-dimensional power spectrum. Aims. The dominant lensing-only contribution beyond the zero-order approximation is the reduced shear, which takes into account not only lensing-induced… Expand
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