Measured RAR of the spectroscopic GAMA and photometric KiDS-bright isolated lens samples (blue and black points with 1σ error bars). We compare our results to the analytical ΛCDM-based model created by N17. At higher accelerations there is a good match between the N17 model and the M16 observations, as expected. However, at lower accelerations the model bends down with respect to the lensing measurements, due to the steep outer slope of the NFW density profile (ρ ∝ r−3). Large-scale contributions to the total mass distribution, such as the average cosmic DM density, could slightly mitigate this discrepancy. However, these are not implemented into the simple analytical N17 model, which was created to reproduce the RAR at the small scales measured by rotation curves.
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