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Fig. 11


Impact and handling of the VIPERS redshift measurement errors on the usual statistical quantities that enter the definition of η, as plotted as a function of the filtering scale R and tested using the Lg mock catalogues. Triangles correspond to measurements performed after adding a redshift error randomly drawn from a Gaussian distribution with standard deviation σcz = 141(1 + z) to each galaxy position, which is representative of the errors affecting VIPERS redshifts (Guzzo et al. 2013). Diamonds give the reference values and are computed in redshift space without measurement errors. The dotted and solid lines give the clustering ratio predicted by Eq. (8) when a dispersion σv = 100   km   s-1 or (i.e. adding in quadrature the expected redshift error) are used, respectively. Expectation values and error bars are computed from the mocks in the usual way.

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