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KiDS+2dFLenS+GAMA: Testing the cosmological model with the statistic
A. Amon, C. Blake, C. Heymans +17
We present a new measurement of , which combines measurements of weak gravitational lensing, real-space galaxy clustering and redshift space distortions. This statistic…
Photometric redshifts for the Kilo-Degree Survey. Machine-learning analysis with artificial neural networks
M. Bilicki, H. Hoekstra, M. J. I. Brown +24
We present a machine-learning photometric redshift analysis of the Kilo-Degree Survey Data Release 3, using two neural-network based techniques: ANNz2 and MLPQNA. Despite limited c…
KiDS-450 + 2dFLenS: Cosmological parameter constraints from weak gravitational lensing tomography and overlapping redshift-space galaxy clustering
Shahab Joudaki, Chris Blake, Andrew Johnson +19
We perform a combined analysis of cosmic shear tomography, galaxy-galaxy lensing tomography, and redshift-space multipole power spectra (monopole and quadrupole) using 450 deg…
KiDS-i-800: Comparing weak gravitational lensing measurements in same-sky surveys
A. Amon, C. Heymans, D. Klaes +21
We present a weak gravitational lensing analysis of 815 square degree of -band imaging from the Kilo-Degree Survey (KiDS--800). In contrast to the deep -band observations,…