Search Results - "Erben, Thomas"
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KiDS-450 + 2dFLenS: Cosmological parameter constraints from weak gravitational lensing tomography and overlapping redshift-space galaxy clustering
Published in Monthly notices of the Royal Astronomical Society (11-03-2018)“…Abstract We perform a combined analysis of cosmic shear tomography, galaxy–galaxy lensing tomography, and redshift-space multipole power spectra (monopole and…”
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KiDS+GAMA: cosmology constraints from a joint analysis of cosmic shear, galaxy–galaxy lensing, and angular clustering
Published in Monthly notices of the Royal Astronomical Society (01-06-2018)“…Abstract We present cosmological parameter constraints from a joint analysis of three cosmological probes: the tomographic cosmic shear signal in ∼450 deg2 of…”
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Warm–hot baryons comprise 5–10 per cent of filaments in the cosmic web
Published in Nature (London) (03-12-2015)“…In the local Universe, the census of all observed baryons falls short of the estimated number by a factor of two, and simulations have indicated that the…”
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Lensing is low: cosmology, galaxy formation or new physics?
Published in Monthly notices of the Royal Astronomical Society (03-02-2017)“…Abstract We present high signal-to-noise galaxy–galaxy lensing measurements of the Baryon Oscillation Spectroscopic Survey constant mass (CMASS) sample using…”
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KiDS-450: cosmological constraints from weak-lensing peak statistics – II: Inference from shear peaks using N-body simulations
Published in Monthly notices of the Royal Astronomical Society (11-02-2018)“…Abstract We study the statistics of peaks in a weak-lensing reconstructed mass map of the first 450 deg2 of the Kilo Degree Survey (KiDS-450). The map is…”
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CFHTLenS tomographic weak lensing cosmological parameter constraints: Mitigating the impact of intrinsic galaxy alignments
Published in Monthly notices of the Royal Astronomical Society (01-07-2013)“…We present a finely binned tomographic weak lensing analysis of the Canada-France-Hawaii Telescope Lensing Survey (CFHTLenS) mitigating contamination to the…”
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KiDS-450: cosmological constraints from weak lensing peak statistics – I. Inference from analytical prediction of high signal-to-noise ratio convergence peaks
Published in Monthly notices of the Royal Astronomical Society (11-02-2018)“…Abstract This paper is the first of a series of papers constraining cosmological parameters with weak lensing peak statistics using ∼ 450 deg2 of imaging data…”
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CFHTLenS: combined probe cosmological model comparison using 2D weak gravitational lensing
Published in Monthly notices of the Royal Astronomical Society (11-04-2013)“…We present cosmological constraints from 2D weak gravitational lensing by the large-scale structure in the Canada-France-Hawaii Telescope Lensing Survey…”
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Weighing the Giants - I. Weak-lensing masses for 51 massive galaxy clusters: project overview, data analysis methods and cluster images
Published in Monthly notices of the Royal Astronomical Society (21-03-2014)“…This is the first in a series of papers in which we measure accurate weak-lensing masses for 51 of the most X-ray luminous galaxy clusters known at redshifts…”
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RCSLenS: testing gravitational physics through the cross-correlation of weak lensing and large-scale structure
Published in Monthly notices of the Royal Astronomical Society (01-03-2016)“…The unknown nature of ‘dark energy’ motivates continued cosmological tests of large-scale gravitational physics. We present a new consistency check based on…”
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CFHTLenS: the relation between galaxy dark matter haloes and baryons from weak gravitational lensing
Published in Monthly notices of the Royal Astronomical Society (01-01-2014)“…We present a study of the relation between dark matter halo mass and the baryonic content of their host galaxies, quantified through galaxy luminosity and…”
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The Next Generation Virgo Cluster Survey (NGVS). XIV. The Discovery of Low-mass Galaxies and a New Galaxy Catalog in the Core of the Virgo Cluster
Published in The Astrophysical journal (20-02-2020)“…Abstract The Next Generation Virgo Cluster Survey (NGVS) was designed to provide a deep census of baryonic structures in the Virgo cluster. The survey covers…”
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Halo ellipticity of GAMA galaxy groups from KiDS weak lensing
Published in Monthly notices of the Royal Astronomical Society (01-06-2017)“…Abstract We constrain the average halo ellipticity of ∼2600 galaxy groups from the Galaxy And Mass Assembly (GAMA) survey, using the weak gravitational lensing…”
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CFHTLenS tomographic weak lensing: quantifying accurate redshift distributions
Published in Monthly notices of the Royal Astronomical Society (11-05-2013)“…The Canada-France-Hawaii Telescope Lensing Survey (CFHTLenS) comprises deep multicolour (u*g ′ r ′ i ′ z ′) photometry spanning 154 deg2, with accurate…”
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GAMA + KiDS: empirical correlations between halo mass and other galaxy properties near the knee of the stellar-to-halo mass relation
Published in Monthly notices of the Royal Astronomical Society (01-12-2020)“…ABSTRACT We use KiDS weak lensing data to measure variations in mean halo mass as a function of several key galaxy properties (namely stellar colour, specific…”
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Cluster magnification and the mass-richness relation in CFHTLenS
Published in Monthly notices of the Royal Astronomical Society (21-04-2014)“…Gravitational lensing magnification is measured with a significance of 9.7σ on a large sample of galaxy clusters in the Canada-France-Hawaii Telescope Lensing…”
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First measurement of the cross-correlation of CMB lensing and galaxy lensing
Published in Physical review. D, Particles, fields, gravitation, and cosmology (02-03-2015)“…Here, we measure the cross-correlation of cosmic microwave background (CMB) lensing convergence maps derived from Atacama Cosmology Telescope data with galaxy…”
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Cross-correlation of weak lensing and gamma rays: implications for the nature of dark matter
Published in Monthly notices of the Royal Astronomical Society (01-06-2017)“…Abstract We measure the cross-correlation between Fermi gamma-ray photons and over 1000 deg2 of weak lensing data from the Canada–France–Hawaii Telescope…”
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KiDS-450: testing extensions to the standard cosmological model
Published in Monthly notices of the Royal Astronomical Society (21-10-2017)Get full text
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Gravitational lensing analysis of the Kilo-Degree Survey
Published in Monthly notices of the Royal Astronomical Society (21-12-2015)Get full text
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