Overall impact and treatment of VIPERS selection effects on the estimate of the galaxy clustering ratio as a function of the smoothing scale R and for a correlation scale n = 3. The reference values of as measured in redshift space from the Lh halo catalogues (diamonds) are compared with those estimated from the realistic VIPERS-like mock samples LgV which include the radial and angular selection functions. The weight of the different corrections is determined by the different sets of points, as indicated in the legend. As usual, the plotted points represent ensemble averages over the mocks. Error bars on the reference Lh measurements (triangles) correspond to the standard deviation of the mean, while errors from the simulated VIPERS mocks give a forecast of the actual errors expected from the VIPERS data analysed in this paper (including cosmic variance). The solid line gives the theoretically predicted value of the clustering ratio from Eq. (8), including a pairwise velocity dispersion of σ12 = 200 km s-1 (a plausible value, given the resolution of the simulation used see Bianchi et al. 2012; Marulli et al. 2012) and the rms error of the VIPERS redshifts (Guzzo et al. 2013). Note that this theoretical prediction is given as reference and is not the best fit model, as given the data.
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