648 citations · 3.9k across the 23 of their papers we have counts for
23 papers
The mass distribution in an assembling super galaxy group at
Merijn Smit, Tim Schrabback, Malin Velander +4
We present a weak gravitational lensing analysis of supergroup SG11201202, consisting of four distinct X-ray-luminous groups, that will merge to form a cluster comparable in mas…
The galaxy-halo connection from a joint lensing, clustering and abundance analysis in the CFHTLenS/VIPERS field
J. Coupon, S. Arnouts, L. van Waerbeke +31
We present new constraints on the relationship between galaxies and their host dark matter halos, measured from the location of the peak of the stellar-to-halo mass ratio (SHMR), u…
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: A Weak Lensing Shear Analysis of the 3D-Matched-Filter Galaxy Clusters
Jes Ford, Ludovic Van Waerbeke, Martha Milkeraitis +17
We present the cluster mass-richness scaling relation calibrated by a weak lensing analysis of >18000 galaxy cluster candidates in the Canada-France-Hawaii Telescope Lensing Survey…
CFHTLenS: Cosmological constraints from a combination of cosmic shear two-point and three-point correlations
Liping Fu, Martin Kilbinger, Thomas Erben +17
Higher-order, non-Gaussian aspects of the large-scale structure carry valuable information on structure formation and cosmology, which is complementary to second-order statistics.…
3D Cosmic Shear: Cosmology from CFHTLenS
T. D. Kitching, A. F. Heavens, J. Alsing +19
This paper presents the first application of 3D cosmic shear to a wide-field weak lensing survey. 3D cosmic shear is a technique that analyses weak lensing in three dimensions usin…
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…
CFHTLenS tomographic weak lensing cosmological parameter constraints: Mitigating the impact of intrinsic galaxy alignments
Catherine Heymans, Emma Grocutt, Alan Heavens +21
We present a finely-binned tomographic weak lensing analysis of the Canada-France-Hawaii Telescope Lensing Survey, CFHTLenS, mitigating contamination to the signal from the presenc…
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…
CFHTLenS: Higher-order galaxy-mass correlations probed by galaxy-galaxy-galaxy lensing
P. Simon, T. Erben, P. Schneider +16
We present the first direct measurement of the galaxy-matter bispectrum as a function of galaxy luminosity, stellar mass, and SED type. Our analysis uses a galaxy-galaxy-galaxy len…
CFHTLenS: Combined probe cosmological model comparison using 2D weak gravitational lensing
Martin Kilbinger, Liping Fu, Catherine Heymans +20
We present cosmological constraints from 2D weak gravitational lensing by the large-scale structure in the Canada-France Hawaii Telescope Lensing Survey (CFHTLenS) which spans 154…
CFHTLenS tomographic weak lensing: Quantifying accurate redshift distributions
Jonathan Benjamin, Ludovic Van Waerbeke, Catherine Heymans +18
The Canada-France-Hawaii Telescope Lensing Survey (CFHTLenS) comprises deep multi-colour (u*g'r'i'z') photometry spanning 154 square degrees, with accurate photometric redshifts an…
CFHTLenS: Testing the Laws of Gravity with Tomographic Weak Lensing and Redshift Space Distortions
Fergus Simpson, Catherine Heymans, David Parkinson +20
Dark energy may be the first sign of new fundamental physics in the Universe, taking either a physical form or revealing a correction to Einsteinian gravity. Weak gravitational len…
On the shear estimation bias induced by the spatial variation of colour across galaxy profiles
Elisabetta Semboloni, Henk Hoekstra, Zhuoyi Huang +13
The spatial variation of the colour of a galaxy may introduce a bias in the measurement of its shape if the PSF profile depends on wavelength. We study how this bias depends on the…
Bayesian Galaxy Shape Measurement for Weak Lensing Surveys - III. Application to the Canada-France-Hawaii Telescope Lensing Survey
L. Miller, C. Heymans, T. D. Kitching +17
A likelihood-based method for measuring weak gravitational lensing shear in deep galaxy surveys is described and applied to the Canada-France-Hawaii Telescope (CFHT) Lensing Survey…
CFHTLenS: Improving the quality of photometric redshifts with precision photometry
H. Hildebrandt, T. Erben, K. Kuijken +16
Here we present the results of various approaches to measure accurate colours and photometric redshifts (photo-z's) from wide-field imaging data. We use data from the Canada-France…
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…
Probing Galaxy Dark Matter Haloes in COSMOS with Weak Lensing Flexion
Malin Velander, Konrad Kuijken, Tim Schrabback
Current theories of structure formation predict specific density profiles of galaxy dark matter haloes, and with weak gravitational lensing we can probe these profiles on several s…
Gravitational Lensing Accuracy Testing 2010 (GREAT10) Challenge Handbook
Thomas Kitching, Sreekumar Balan, Gary Bernstein +32
GRavitational lEnsing Accuracy Testing 2010 (GREAT10) is a public image analysis challenge aimed at the development of algorithms to analyze astronomical images. Specifically, the…
Evidence for the accelerated expansion of the Universe from weak lensing tomography with COSMOS
Tim Schrabback, Jan Hartlap, Benjamin Joachimi +19
We present a tomographic cosmological weak lensing analysis of the HST COSMOS Survey. Applying our lensing-optimized data reduction, principal component interpolation for the ACS P…
Results of the GREAT08 Challenge: An image analysis competition for cosmological lensing
Sarah Bridle, Sreekumar T. Balan, Matthias Bethge +31
We present the results of the GREAT08 Challenge, a blind analysis challenge to infer weak gravitational lensing shear distortions from images. The primary goal was to stimulate new…