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KiDS+VIKING-450: A new combined optical & near-IR dataset for cosmology and astrophysics
Angus H. Wright, Hendrik Hildebrandt, Konrad Kuijken +22
We present the curation and verification of a new combined optical and near infrared dataset for cosmology and astrophysics, derived from the combination of -band imaging fro…
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…
Towards emulating cosmic shear data: Revisiting the calibration of the shear measurements for the Kilo-Degree Survey
Arun Kannawadi, Henk Hoekstra, Lance Miller +9
Exploiting the full statistical power of future cosmic shear surveys will necessitate improvements to the accuracy with which the gravitational lensing signal is measured. We prese…
AMICO galaxy clusters in KiDS-DR3: weak-lensing mass calibration
Fabio Bellagamba, Mauro Sereno, Mauro Roncarelli +8
We present the mass calibration for galaxy clusters detected with the AMICO code in KiDS DR3 data. The cluster sample comprises 7000 objects and covers the redshift range 0.…
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…
The PAU Survey: Early demonstration of photometric redshift performance in the COSMOS field
M. Eriksen, A. Alarcon, E. Gaztanaga +22
The PAU Survey (PAUS) is an innovative photometric survey with 40 narrow bands at the William Herschel Telescope (WHT). The narrow bands are spaced at 100Å intervals covering the r…