5k citations · 36.6k across the 347 of their papers we have counts for
22 papers · 2 filters
CODEX Weak Lensing: Concentration of Galaxy Clusters at z ~ 0.5
N. Cibirka, E. S. Cypriano, F. Brimioulle +13
We present a stacked weak lensing analysis of 27 richness selected galaxy clusters at in the CODEX survey. The fields were observed in 5 bands wit…
Weak lensing magnification in the Dark Energy Survey Science Verification Data
M. Garcia-Fernandez, E. Sánchez, I. Sevilla-Noarbe +68
In this paper the effect of weak lensing magnification on galaxy number counts is studied by cross-correlating the positions of two galaxy samples, separated by redshift, using dat…
On the Level of Cluster Assembly Bias in SDSS
Ying Zu, Rachel Mandelbaum, Melanie Simet +2
Recently, several studies have discovered a strong discrepancy between the large-scale clustering biases of two subsamples of galaxy clusters at the same halo mass, split by their…
Weak-lensing mass calibration of redMaPPer galaxy clusters in Dark Energy Survey Science Verification data
P. Melchior, D. Gruen, T. McClintock +78
We use weak-lensing shear measurements to determine the mean mass of optically selected galaxy clusters in Dark Energy Survey Science Verification data. In a blinded analysis, we s…
SPIDERS: the spectroscopic follow-up of X-ray selected clusters of galaxies in SDSS-IV
Nicolas Clerc, Andrea Merloni, Yu-Ying Zhang +17
SPIDERS (The SPectroscopic IDentification of eROSITA Sources) is a program dedicated to the homogeneous and complete spectroscopic follow-up of X-ray AGN and galaxy clusters over a…
Inference from the small scales of cosmic shear with current and future Dark Energy Survey data
N. MacCrann, J. Aleksić, A. Amara +61
Cosmic shear is sensitive to fluctuations in the cosmological matter density field, including on small physical scales, where matter clustering is affected by baryonic physics in g…
Calibrating the Planck Cluster Mass Scale with CLASH
M. Penna-Lima, J. G. Bartlett, E. Rozo +5
We determine the mass scale of Planck galaxy clusters using gravitational lensing mass measurements from the Cluster Lensing And Supernova survey with Hubble (CLASH). We have compa…
Optical-SZE Scaling Relations for DES Optically Selected Clusters within the SPT-SZ Survey
A. Saro, S. Bocquet, J. Mohr +68
We study the Sunyaev-Zel'dovich effect (SZE) signature in South Pole Telescope (SPT) data for an ensemble of 719 optically identified galaxy clusters selected from 124.6 deg of…
Cosmic Voids and Void Lensing in the Dark Energy Survey Science Verification Data
C. Sánchez, J. Clampitt, A. Kovacs +69
Galaxies and their dark matter halos populate a complicated filamentary network around large, nearly empty regions known as cosmic voids. Cosmic voids are usually identified in spe…
Cosmology from large scale galaxy clustering and galaxy-galaxy lensing with Dark Energy Survey Science Verification data
Juliana Kwan, Carles Sanchez, Joseph Clampitt +80
We present cosmological constraints from the Dark Energy Survey (DES) using a combined analysis of angular clustering of red galaxies and their cross-correlation with weak gravitat…
Constraining the Mass-Richness Relationship of redMaPPer Clusters with Angular Clustering
Eric J. Baxter, Eduardo Rozo, Bhuvnesh Jain +2
The potential of using cluster clustering for calibrating the mass-observable relation of galaxy clusters has been recognized theoretically for over a decade. Here, we demonstrate…
Cosmology constraints from shear peak statistics in Dark Energy Survey Science Verification data
T. Kacprzak, D. Kirk, O. Friedrich +81
Shear peak statistics has gained a lot of attention recently as a practical alternative to the two point statistics for constraining cosmological parameters. We perform a shear pea…
Weak Lensing Measurement of the Mass--Richness Relation of SDSS redMaPPer Clusters
Melanie Simet, Tom McClintock, Rachel Mandelbaum +4
We perform a measurement of the mass--richness relation of the redMaPPer galaxy cluster catalogue using weak lensing data from the Sloan Digital Sky Survey. We have carefully chara…
Galaxy-Galaxy Lensing in the DES Science Verification Data
J. Clampitt, C. Sánchez, J. Kwan +73
We present galaxy-galaxy lensing results from 139 square degrees of Dark Energy Survey (DES) Science Verification (SV) data. Our lens sample consists of red galaxies, known as redM…
Detection of the kinematic Sunyaev-Zel'dovich effect with DES Year 1 and SPT
B. Soergel, S. Flender, K. T. Story +80
We detect the kinematic Sunyaev-Zel'dovich (kSZ) effect with a statistical significance of by combining a cluster catalogue derived from the first year data of the Dark Ene…
A Dark Energy Camera Search for an Optical Counterpart to the First Advanced LIGO Gravitational Wave Event GW150914
M. Soares-Santos, R. Kessler, E. Berger +112
We report initial results of a deep search for an optical counterpart to the gravitational wave event GW150914, the first trigger from the Advanced LIGO gravitational wave detector…
Joint Measurement of Lensing-Galaxy Correlations Using SPT and DES SV Data
E. J. Baxter, J. Clampitt, T. Giannantonio +75
We measure the correlation of galaxy lensing and cosmic microwave background lensing with a set of galaxies expected to trace the matter density field. The measurements are perform…
Detection of the Splashback Radius and Halo Assembly bias of Massive Galaxy Clusters
Surhud More, Hironao Miyatake, Masahiro Takada +10
We show that the projected number density profiles of SDSS photometric galaxies around galaxy clusters displays strong evidence for the splashback radius, a sharp halo edge corresp…
Galaxy Cluster Mass Estimation from Stacked Spectroscopic Analysis
Arya Farahi, August E. Evrard, Eduardo Rozo +2
We use simulated galaxy surveys to study: i) how galaxy membership in redMaPPer clusters maps to the underlying halo population, and ii) the accuracy of a mean dynamical cluster ma…
The redMaPPer Galaxy Cluster Catalog From DES Science Verification Data
E. S. Rykoff, E. Rozo, D. Hollowood +86
We describe updates to the \redmapper{} algorithm, a photometric red-sequence cluster finder specifically designed for large photometric surveys. The updated algorithm is applied t…
Galaxy bias from the Dark Energy Survey Science Verification data: combining galaxy density maps and weak lensing maps
C. Chang, A. Pujol, E. Gaztanaga +80
We measure the redshift evolution of galaxy bias for a magnitude-limited galaxy sample by combining the galaxy density maps and weak lensing shear maps for a 116 deg ar…
The Dark Energy Survey: more than dark energy - an overview
Dark Energy Survey Collaboration, T. Abbott, F. B. Abdalla +138
This overview article describes the legacy prospect and discovery potential of the Dark Energy Survey (DES) beyond cosmological studies, illustrating it with examples from the DES…