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KiDS+VIKING-450: Cosmic shear tomography with optical+infrared data
H. Hildebrandt, F. Köhlinger, J. L. van den Busch +25
We present a tomographic cosmic shear analysis of the Kilo-Degree Survey (KiDS) combined with the VISTA Kilo-Degree Infrared Galaxy Survey (VIKING). This is the first time that a f…
Consistent cosmic shear in the face of systematics: a B-mode analysis of KiDS-450, DES-SV and CFHTLenS
Marika Asgari, Catherine Heymans, Hendrik Hildebrandt +8
We analyse three public cosmic shear surveys; the Kilo-Degree Survey (KiDS-450), the Dark Energy Survey (DES-SV) and the Canada France Hawaii Telescope Lensing Survey (CFHTLenS). A…
KiDS-450: Enhancing cosmic shear with clipping transformations
Benjamin Giblin, Catherine Heymans, Joachim Harnois-Déraps +12
We present the first "clipped" cosmic shear measurement using data from the Kilo-Degree Survey (KiDS-450). "Clipping" transformations suppress the signal from the highest density,…
Cosmological Simulations for Combined-Probe Analyses: Covariance and Neighbour-Exclusion Bias
J. Harnois-Deraps, A. Amon, A. Choi +12
We present a public suite of weak lensing mock data, extending the Scinet Light Cone Simulations (SLICS) to simulate cross-correlation analyses with different cosmological probes.…
Unveiling Galaxy Bias via the Halo Model, KiDS and GAMA
Andrej Dvornik, Konrad Kuijken, Henk Hoekstra +11
We measure the projected galaxy clustering and galaxy-galaxy lensing signals using the Galaxy And Mass Assembly (GAMA) survey and Kilo-Degree Survey (KiDS) to study galaxy bias. We…