243 citations · 1.7k across the 24 of their papers we have counts for
24 papers
KiDS+GAMA: Constraints on Horndeski gravity from combined large-scale structure probes
Alessio Spurio Mancini, Fabian Köhlinger, Benjamin Joachimi +7
We present constraints on Horndeski gravity from a combined analysis of cosmic shear, galaxy-galaxy lensing and galaxy clustering from of the Kilo-Degree Surv…
Multi-wavelength scaling relations in galaxy groups: a detailed comparison of GAMA and KiDS observations to BAHAMAS simulations
Arthur Jakobs, Massimo Viola, Ian McCarthy +18
We study the scaling relations between the baryonic content and total mass of groups of galaxies, as these systems provide a unique way to examine the role of non-gravitational pro…
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,…
KiDS+GAMA: Cosmology constraints from a joint analysis of cosmic shear, galaxy-galaxy lensing and angular clustering
Edo van Uitert, Benjamin Joachimi, Shahab Joudaki +19
We present cosmological parameter constraints from a joint analysis of three cosmological probes: the tomographic cosmic shear signal in 450 deg of data from the Kilo Deg…
A KiDS weak lensing analysis of assembly bias in GAMA galaxy groups
Andrej Dvornik, Marcello Cacciato, Konrad Kuijken +19
We investigate possible signatures of halo assembly bias for spectroscopically selected galaxy groups from the GAMA survey using weak lensing measurements from the spatially overla…
Intrinsic alignment of redMaPPer clusters: cluster shape - matter density correlation
Edo van Uitert, Benjamin Joachimi
We measure the alignment of the shapes of galaxy clusters, as traced by their satellite distributions, with the matter density field using the public redMaPPer catalogue based on S…
Galaxy-Galaxy Lensing in EAGLE: comparison with data from 180 square degrees of the KiDS and GAMA surveys
Marco Velliscig, Marcello Cacciato, Henk Hoekstra +14
We present predictions for the galaxy-galaxy lensing profile from the EAGLE hydrodynamical cosmological simulation at redshift z=0.18, in the spatial range 0.02 < R/(Mpc/h) < 2, an…
Halo ellipticity of GAMA galaxy groups from KiDS weak lensing
Edo van Uitert, Henk Hoekstra, Benjamin Joachimi +14
We constrain the average halo ellipticity of ~2 600 galaxy groups from the Galaxy And Mass Assembly (GAMA) survey, using the weak gravitational lensing signal measured from the ove…
Systematic tests for position-dependent additive shear bias
Edo van Uitert, Peter Schneider
We present new tests to identify stationary position-dependent additive shear biases in weak gravitational lensing data sets. These tests are important diagnostics for currently on…
The stellar-to-halo mass relation of GAMA galaxies from 100 square degrees of KiDS weak lensing data
Edo van Uitert, Marcello Cacciato, Henk Hoekstra +26
We study the stellar-to-halo mass relation of central galaxies in the range 9.7<log_10(M_*/h^-2 M_sun)<11.7 and z<0.4, obtained from a combined analysis of the Kilo Degree Survey (…
RCSLenS: Cosmic Distances from Weak Lensing
T. D. Kitching, M. Viola, H. Hildebrandt +7
In this paper we present results of applying the shear-ratio method to the RCSLenS data. The method takes the ratio of the mean of the weak lensing tangential shear signal about ga…
Dark matter halo properties of GAMA galaxy groups from 100 square degrees of KiDS weak lensing data
M. Viola, M. Cacciato, M. Brouwer +24
The Kilo-Degree Survey (KiDS) is an optical wide-field survey designed to map the matter distribution in the Universe using weak gravitational lensing. In this paper, we use these…
The masses of satellites in GAMA galaxy groups from 100 square degrees of KiDS weak lensing data
Cristóbal Sifón, Marcello Cacciato, Henk Hoekstra +23
We use the first 100 sq. deg. of overlap between the Kilo-Degree Survey (KiDS) and the Galaxy And Mass Assembly (GAMA) survey to determine the galaxy halo mass of ~10,000 spectrosc…
Weak-lensing-inferred scaling relations of galaxy clusters in the RCS2: mass-richness, mass-concentration, mass-bias, and more
Edo van Uitert, David G. Gilbank, Henk Hoekstra +3
We study a sample of ~10^4 galaxy clusters in the redshift range 0.2<z<0.8 with masses M_200 > 5x10^13 h_70^-1 M_sun, discovered in the second Red-sequence Cluster Survey (RCS2). T…
CFHTLenS: Weak lensing calibrated scaling relations for low mass clusters of galaxies
K. Kettula, S. Giodini, E. van Uitert +24
We present weak lensing and X-ray analysis of 12 low mass clusters from the CFHTLenS and XMM-CFHTLS surveys. We combine these systems with high-mass systems from CCCP and low-mass…
CFHTLenS: Co-evolution of galaxies and their dark matter haloes
Michael J. Hudson, Bryan R. Gillis, Jean Coupon +16
Galaxy-galaxy weak lensing is a direct probe of the mean matter distribution around galaxies. The depth and sky coverage of the CFHT Legacy Survey yield statistically significant g…
CFHTLenS: The relation between galaxy dark matter haloes and baryons from weak gravitational lensing
Malin Velander, Edo van Uitert, Henk Hoekstra +16
We present a study of the relation between dark matter halo mass and the baryonic content of host galaxies, quantified via luminosity and stellar mass. Our investigation uses 154 d…
Describing galaxy weak lensing measurements from tenths to tens of Mpc and up to z~0.6 with a single model
Marcello Cacciato, Edo van Uitert, Henk Hoekstra
The clustering of galaxies and the matter distribution around them can be described using the halo model complemented with a realistic description of the way galaxies populate dark…
CFHTLenS: Mapping the Large Scale Structure with Gravitational Lensing
Ludovic Van Waerbeke, Jonathan Benjamin, Thomas Erben +18
We present a quantitative analysis of the largest contiguous maps of projected mass density obtained from gravitational lensing shear. We use data from the 154 deg2 covered by the…
CFHTLenS: The Environmental Dependence of Galaxy Halo Masses from Weak Lensing
Bryan R. Gillis, Michael J. Hudson, Thomas Erben +16
We use weak gravitational lensing to analyse the dark matter halos around satellite galaxies in galaxy groups in the CFHTLenS dataset. This dataset is derived from the CFHTLS-Wide…
Stellar mass versus velocity dispersion as tracer of the lensing signal around bulge-dominated galaxies
Edo van Uitert, Henk Hoekstra, Marijn Franx +3
We present the results of a weak gravitational lensing analysis to determine whether the stellar mass or the velocity dispersion is more closely related to the amplitude of the len…
Constraints on the shapes of galaxy dark matter haloes from weak gravitational lensing
Edo van Uitert, Henk Hoekstra, Tim Schrabback +3
We study the shapes of galaxy dark matter haloes by measuring the anisotropy of the weak gravitational lensing signal around galaxies in the second Red-sequence Cluster Survey (RCS…
Galaxy-galaxy lensing constraints on the relation between baryons and dark matter in galaxies in the Red Sequence Cluster Survey 2
Edo van Uitert, Henk Hoekstra, Malin Velander +3
We present the results of a study of weak gravitational lensing by galaxies using imaging data that were obtained as part of the second Red Sequence Cluster Survey (RCS2). In order…
Effects of large-scale structure on the accuracy of weak lensing mass measurements
Henk Hoekstra, Jan Hartlap, Stefan Hilbert +1
Weak gravitational lensing has become an important method to determine the masses of galaxy clusters. The intrinsic shapes of the galaxies are a dominant source of uncertainty, but…