weak lensing
Dark energy survey year 1 results: curved-sky weak lensing mass map
... a weak lensing mass map, or convergence map, rep- resents the integrated total matter density along the line of sight, weighted by a broad lensing kernel that peaks roughly half-way between the ...
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To the horizon and beyond: weak lensing of the CMB and binary inspirals into horizonless objects
... Gravitational lensing – the deflection of photon trajectories by density perturbations – has been a fundamental prediction of general relativity since it was first developed by Einstein in ...the ...
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Cross-correlating Planck tSZ with RCSLenS weak lensing: implications for cosmology and AGN feedback
... Finally, we employed the cosmo-OWLS hydrodynamical simu- lations (Le Brun et al. 2014), using synthetic tSZ and weak lensing maps produced for a wide range of baryonic physics models in both the WMAP 7-yr ...
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MC2: A Deeper Look at ZwCl 2341.1+0000 with Bayesian Galaxy Clustering and Weak Lensing Analyses
... WL-2-South weak lensing halos found with ...two-halo weak lensing model, along with the positions and velocity distributions of the clusters in the GMM three-substructure model and the the ...
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The Canadian Cluster Comparison Project: detailed study of systematics and updated weak lensing masses
... Other groups have carried out similar studies. The Local Cluster Substructure Survey (LoCuSS) used the Subaru telescope to carry out a weak lensing study of 50 clusters, with the most recent results ...
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Subaru weak lensing measurement of a z = 0.81 cluster discovered by the Atacama Cosmology Telescope Survey
... Subaru weak lensing measurement of ACT-CL ...first weak lensing study with Subaru at such high ...the weak lensing analysis using i -band images, we use a model-fitting ...
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A KiDS weak lensing analysis of assembly bias in GAMA galaxy groups
... the weak gravitational lensing ...the weak lensing signal from the spatially over- lapping regions of the deeper, high-imaging-quality photometric Kilo-Degree Survey (KiDS) survey (de Jong et ...
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Weak Lensing Calibrated M-T Scaling Relation of Galaxy Groups in the COSMOS Field
... determined weak lensing masses for a sample of 25 moderate X-ray luminosity clusters drawn from the 160 square degree survey (160SD; Vikhlinin et ...The lensing masses, based on deep CFHT imaging ...
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Weak lensing effects of dark matter filaments between galaxy pairs
... Weak lensing techniques have been shown to be able to map dark matter dis- tributions in the universe [Kaiser & Squires, ...Large weak lensing dataset enable us to detect small ...
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The masses of satellites in GAMA galaxy groups from 100 square degrees of KiDS weak lensing data
... the excess surface density around spectroscopically confirmed satel- lite galaxies from the GAMA galaxy group catalogue. We model the signal assuming NFW profiles for both host groups and satel- lite galaxies, including ...
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Figueiro Spinelli, Patricia (2011): Weak Lensing Analysis of Galaxy Groups. Dissertation, LMU München: Fakultät für Physik
... and weak lensing catalog reduces the number of detections to 27 systems, where only detections with S/N ≥ ...plus weak lensing filtering technique of Bellagamba et ...
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Dark Energy Survey Year 1 results: curved-sky weak lensing mass map
... in weak-lensing mass maps or shear catalogues, especially when the number density of source galaxies is low and one cannot go to a smaller smoothing ...
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CFHTLenS: a weak lensing shear analysis of the 3D-Matched-Filter galaxy clusters
... gravitational lensing is a crucial tech- nique for obtaining masses and density profiles, independent of assumptions regarding cluster dynamical ...the weak regime, lensing provides robust ...
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Cross-correlation of weak lensing and gamma rays: implications for the nature of dark matter
... The exclusion limits when dark matter is assumed to be the only contributor to the UGRB are comparable to those derived from the energy spectrum of the UGRB in Ackermann et al. (2015a). However, when the contribution ...
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Herschel ATLAS/GAMA: SDSS cross correlation induced by weak lensing
... from weak lensing of group/cluster sized haloes, while on larger scales it reflects the clustering of such ...by weak lensing effects? To answer this question, we have performed a set of 100 ...
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MC2: Mapping the Dark Matter Distribution of the ``Toothbrush'' Cluster RX J0603.3+4214 with Hubble Space Telescope and Subaru Weak Lensing
... our mass reconstruction, we experimented with two star- subtraction schemes. In the first method, we let SWARP determine the local sky level (thus effectively the surface brightness level of the PSF wing near the bright ...
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Studying dark matter haloes with weak lensing
... strong lensing was not observed until much later ...lens. Lensing therefore offers a unique way to probe ...including weak lensing signals (see Section ...Strong lensing has also been ...
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Weak-lensing-inferred scaling relations of galaxy clusters in the RCS2: mass-richness, mass-concentration, mass-bias, and more
... their lensing signals ...the weak-lensing signal, many cluster properties can be extracted, such as the cluster mass, concentration, halo bias, and miscentring ...The lensing signal of all but ...
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Weak Lensing and Modified Gravity of Cosmic Structure
... In addition to the familiar movement of massive bodies in a gravitational field, General Relativity predicts that photons are deflected by gravity. The above discussion of fifth forces applies to non-relativistic ...
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CFHTLenS: weak lensing constraints on the ellipticity of galaxy-scale matter haloes and the galaxy-halo misalignment
... with weak lensing for very massive early-type ...Simulation. Weak lensing studies constraining halo ellipticity are not only interesting for a better understanding of the link between galax- ...
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