Related papers: Miscentering of Optical Galaxy Clusters Based on S…

Optical Substructure and BCG Offsets of Sunyaev-Zel'dovich and X-ray Selected Galaxy Clusters

We used optical imaging and spectroscopic data to derive substructure estimates for local Universe ($z < 0.11$) galaxy clusters from two different samples. The first was selected through the Sunyaev-Zel'dovich (SZ) effect by the Planck…

Cosmology and Nongalactic Astrophysics · Physics 2018-05-25 P. A. A. Lopes , M. Trevisan , T. F. Laganá , F. Durret , A. L. B. Ribeiro , S. B. Rembold

Forecasting the constraints on optical selection bias and projection effects of galaxy cluster lensing with multiwavelength data

Galaxy clusters identified with optical imaging tend to suffer from projection effects, which impact richness (the number of member galaxies in a cluster) and lensing coherently. Physically unassociated galaxies can be mistaken as cluster…

Cosmology and Nongalactic Astrophysics · Physics 2023-12-20 Conghao Zhou , Hao-Yi Wu , Andrés N. Salcedo , Sebastian Grandis , Tesla Jeltema , Alexie Leauthaud , Matteo Costanzi , Tomomi Sunayama , David H. Weinberg , Tianyu Zhang , Eduardo Rozo , Chun-Hao To , Sebastian Bocquet , Tamas Varga , Matthew Kwiecien

The Atacama Cosmology Telescope: Relation Between Galaxy Cluster Optical Richness and Sunyaev-Zel'dovich Effect

We present the measured Sunyaev-Zel'dovich (SZ) flux from 474 optically-selected MaxBCG clusters that fall within the Atacama Cosmology Telescope (ACT) Equatorial survey region. The ACT Equatorial region used in this analysis covers 510…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Neelima Sehgal , Graeme Addison , Nick Battaglia , Elia S. Battistelli , J. Richard Bond , Sudeep Das , Mark J. Devlin , Joanna Dunkley , Rolando Dünner , Megan Gralla , Amir Hajian , Mark Halpern , Matthew Hasselfield , Matt Hilton , Adam D. Hincks , Renée Hlozek , John P. Hughes , Arthur Kosowsky , Yen-Ting Lin , Thibaut Louis , Tobias A. Marriage , Danica Marsden , Felipe Menanteau , Kavilan Moodley , Michael D. Niemack , Lyman A. Page , Bruce Partridge , Erik D. Reese , Blake D. Sherwin , Jon Sievers , Cristóbal Sifón , David N. Spergel , Suzanne T. Staggs , Daniel S. Swetz , Eric R. Switzer , Ed Wollack

Miscentring in Galaxy Clusters: Dark Matter to Brightest Cluster Galaxy Offsets in 10,000 SDSS Clusters

We characterise the typical offset between the Dark Matter (DM) projected centre and the Brightest Cluster Galaxy (BCG) in 10,000 SDSS clusters. To place constraints on the centre of DM, we use an automated strong-lensing analysis,…

Cosmology and Nongalactic Astrophysics · Physics 2013-07-09 Adi Zitrin , Matthias Bartelmann , Keiichi Umetsu , Masamune Oguri , Tom Broadhurst

Optical Redshift and Richness Estimates for Galaxy Clusters Selected with the Sunyaev-Zel'dovich Effect from 2008 South Pole Telescope Observations

We present redshifts and optical richness properties of 21 galaxy clusters uniformly selected by their Sunyaev-Zel'dovich signature. These clusters, plus an additional, unconfirmed candidate, were detected in a 178 square-degree area…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 F. W. High , B. Stalder , J. Song , P. A. R. Ade , K. A. Aird , S. S. Allam , R. Armstrong , W. A. Barkhouse , B. A. Benson , E. Bertin , S. Bhattacharya , L. E. Bleem , M. Brodwin , E. J. Buckley-Geer , J. E. Carlstrom , P. Challis , C. L. Chang , T. M. Crawford , A. T. Crites , T. de Haan , S. Desai , M. A. Dobbs , J. P. Dudley , R. J. Foley , E. M. George , M. Gladders , N. W. Halverson , M. Hamuy , S. M. Hansen , G. P. Holder , W. L. Holzapfel , J. D. Hrubes , M. Joy , R. Keisler , A. T. Lee , E. M. Leitch , H. Lin , Y. -T. Lin , A. Loehr , M. Lueker , D. Marrone , J. J. McMahon , J. Mehl , S. S. Meyer , J. J. Mohr , T. E. Montroy , N. Morell , C. -C. Ngeow , S. Padin , T. Plagge , C. Pryke , C. L. Reichardt , A. Rest , J. Ruel , J. E. Ruhl , K. K. Schaffer , L. Shaw , E. Shirokoff , R. C. Smith , H. G. Spieler , Z. Staniszewski , A. A. Stark , C. W. Stubbs , D. L. Tucker , K. Vanderlinde , J. D. Vieira , R. Williamson , W. M. Wood-Vasey , Y. Yang , O. Zahn , A. Zenteno

An analysis of galaxy cluster mis-centring using cosmological hydrodynamic simulations

The location of a galaxy cluster's centroid is typically derived from observations of the galactic and/or gas component of the cluster, but these typically deviate from the true centre. This can produce bias when observations are combined…

Cosmology and Nongalactic Astrophysics · Physics 2020-02-05 Z. Yan , N. Raza , L. Van Waerbeke , A. J. Mead , I. G. McCarthy , T. Troester , G. Hinshaw

Cluster Mass Calibration at High Redshift: HST Weak Lensing Analysis of 13 Distant Galaxy Clusters from the South Pole Telescope Sunyaev-Zel'dovich Survey

We present an HST/ACS weak gravitational lensing analysis of 13 massive high-redshift (z_median=0.88) galaxy clusters discovered in the South Pole Telescope (SPT) Sunyaev-Zel'dovich Survey. This study is part of a larger campaign that aims…

Cosmology and Nongalactic Astrophysics · Physics 2017-10-31 T. Schrabback , D. Applegate , J. P. Dietrich , H. Hoekstra , S. Bocquet , A. H. Gonzalez , A. von der Linden , M. McDonald , C. B. Morrison , S. F. Raihan , S. W. Allen , M. Bayliss , B. A. Benson , L. E. Bleem , I. Chiu , S. Desai , R. J. Foley , T. de Haan , F. W. High , S. Hilbert , A. B. Mantz , R. Massey , J. Mohr , C. L. Reichardt , A. Saro , P. Simon , C. Stern , C. W. Stubbs , A. Zenteno

Dark Energy Survey Year 1 Results: Calibration of Cluster Mis-centering in the redMaPPer Catalogs

The center determination of a galaxy cluster from an optical cluster finding algorithm can be offset from theoretical prescriptions or $N$-body definitions of its host halo center. These offsets impact the recovered cluster statistics,…

Cosmology and Nongalactic Astrophysics · Physics 2019-06-04 Y. Zhang , T. Jeltema , D. L. Hollowood , S. Everett , E. Rozo , A. Farahi , A. Bermeo , S. Bhargava , P. Giles , A. K. Romer , R. Wilkinson , E. S. Rykoff , A. Mantz , H. T. Diehl , A. E. Evrard , C. Stern , D. Gruen , A. von der Linden , M. Splettstoesser , X. Chen , M. Costanzi , S. Allen , C. Collins , M. Hilton , M. Klein , R. G. Mann , M. Manolopoulou , G. Morris , J. Mayers , M. Sahlen , J. Stott , C. Vergara Cervantes , P. T. P. Viana , R. H. Wechsler , S. Allam , S. Avila , K. Bechtol , E. Bertin , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , L. N. da Costa , J. De Vicente , S. Desai , J. P. Dietrich , P. Doel , B. Flaugher , P. Fosalba , J. Frieman , J. García-Bellido , E. Gaztanaga , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , K. Honscheid , B. Hoyle , E. Krause , K. Kuehn , N. Kuropatkin , M. Lima , M. A. G. Maia , J. L. Marshall , P. Melchior , F. Menanteau , C. J. Miller , R. Miquel , R. L. C. Ogando , A. A. Plazas , E. Sanchez , V. Scarpine , R. Schindler , S. Serrano , I. Sevilla-Noarbe , M. Smith , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , D. L. Tucker , V. Vikram , W. Wester

Masses of Sunyaev-Zel'dovich Galaxy Clusters Detected by The Atacama Cosmology Telescope: Stacked Lensing Measurements with Subaru HSC Year 3 data

We present a stacked lensing analysis of 96 galaxy clusters selected by the thermal Sunyaev-Zel'dovich (SZ) effect in maps of the cosmic microwave background (CMB). We select foreground galaxy clusters with a $5\sigma$-level SZ threshold in…

Cosmology and Nongalactic Astrophysics · Physics 2024-10-17 Masato Shirasaki , Cristóbal Sifón , Hironao Miyatake , Erwin Lau , Zhuowen Zhang , Neta Bahcall , Mark Devlin , Jo Dunkley , Arya Farahi , Matt Hilton , Yen-Ting Lin , Daisuke Nagai , Suzanne T. Staggs , Tomomi Sunayama , David Spergel , Edward J. Wollack

Redshifts, Sample Purity, and BCG Positions for the Galaxy Cluster Catalog from the first 720 Square Degrees of the South Pole Telescope Survey

We present the results of the ground- and space-based optical and near-infrared (NIR) follow-up of 224 galaxy cluster candidates detected with the Sunyaev-Zel'dovich (SZ) effect in the 720 deg^2 of the South Pole Telescope (SPT) survey…

Cosmology and Nongalactic Astrophysics · Physics 2012-11-22 J. Song , A. Zenteno , B. Stalder , S. Desai , L. E. Bleem , K. A. Aird , R. Armstrong , M. L. N. Ashby , M. Bayliss , G. Bazin , B. A. Benson , E. Bertin , M. Brodwin , J. E. Carlstrom , C. L. Chang , H. M. Cho , A. Clocchiatti , T. M. Crawford , A. T. Crites , T. de Haan , M. A. Dobbs , J. P. Dudley , R. J. Foley , E. M. George , D. Gettings , M. D. Gladders , A. H. Gonzalez , N. W. Halverson , N. L. Harrington , F. W. High , G. P. Holder , W. L. Holzapfel , S. Hoover , J. D. Hrubes , M. Joy , R. Keisler , L. Knox , A. T. Lee , E. M. Leitch , J. Liu , M. Lueker , D. Luong-Van , D. P. Marrone , M. McDonald , J. J. McMahon , J. Mehl , S. S. Meyer , L. Mocanu , J. J. Mohr , T. E. Montroy , T. Natoli , D. Nurgaliev , S. Padin , T. Plagge , C. Pryke , C. L. Reichardt , A. Rest , J. Ruel , J. E. Ruhl , B. R. Saliwanchik , A. Saro , J. T. Sayre , K. K. Schaffer , L. Shaw , E. Shirokoff , R. Suhada , H. G. Spieler , S. A. Stanford , Z. Staniszewski , A. A. Stark , K. Story , C. W. Stubbs , A. van Engelen , K. Vanderlinde , J. D. Vieira , R. Williamson , O. Zahn

LoCuSS: A Comparison of Sunyaev-Zel'dovich Effect and Gravitational Lensing Measurements of Galaxy Clusters

We present the first measurement of the relationship between the Sunyaev-Zel'dovich effect signal and the mass of galaxy clusters that uses gravitational lensing to measure cluster mass, based on 14 X-ray luminous clusters at z~0.2 from the…

Cosmology and Nongalactic Astrophysics · Physics 2009-08-12 Daniel P. Marrone , Graham P. Smith , Johan Richard , Marshall Joy , Massimiliano Bonamente , Nicole Hasler , Victoria Hamilton-Morris , Jean-Paul Kneib , Thomas Culverhouse , John E. Carlstrom , Christopher Greer , David Hawkins , Ryan Hennessy , James W. Lamb , Erik M. Leitch , Michael Loh , Amber Miller , Tony Mroczkowski , Stephen Muchovej , Clem Pryke , Matthew K. Sharp , David Woody

Galaxy Cluster Contribution to the Diffuse Extragalactic Ultraviolet Background

The diffuse ultraviolet background radiation has been mapped over most of the sky with 2\arcmin \ resolution using data from the \textit{GALEX} survey. We utilize this map to study the correlation between the UV background and clusters of…

Astrophysics of Galaxies · Physics 2020-05-27 Brian Welch , Stephan McCandliss , Dan Coe

Galaxy Clusters Selected with the Sunyaev-Zel'dovich Effect from 2008 South Pole Telescope Observations

We present a detection-significance-limited catalog of 21 Sunyaev-Zel'dovich selected galaxy clusters. These clusters, along with 1 unconfirmed candidate, were identified in 178 deg^2 of sky surveyed in 2008 by the South Pole Telescope to a…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 K. Vanderlinde , T. M. Crawford , T. de Haan , J. P. Dudley , L. Shaw , P. A. R. Ade , K. A. Aird , B. A. Benson , L. E. Bleem , M. Brodwin , J. E. Carlstrom , C. L. Chang , A. T. Crites , S. Desai , M. A. Dobbs , R. J. Foley , E. M. George , M. D. Gladders , N. R. Hall , N. W. Halverson , F. W. High , G. P. Holder , W. L. Holzapfel , J. D. Hrubes , M. Joy , R. Keisler , L. Knox , A. T. Lee , E. M. Leitch , A. Loehr , M. Lueker , D. P. Marrone , J. J. McMahon , J. Mehl , S. S. Meyer , J. J. Mohr , T. E. Montroy , C. -C. Ngeow , S. Padin , T. Plagge , C. Pryke , C. L. Reichardt , A. Rest , J. Ruel , J. E. Ruhl , K. K. Schaffer , E. Shirokoff , J. Song , H. G. Spieler , B. Stalder , Z. Staniszewski , A. A. Stark , C. W. Stubbs , A. van Engelen , J. D. Vieira , R. Williamson , Y. Yang , O. Zahn , A. Zenteno

Merging Galaxy Clusters: Offset Between the Sunyaev-Zel'dovich Effect and X-ray Peaks

Galaxy clusters, the most massive collapsed structures, have been routinely used to determine cosmological parameters. When using clusters for cosmology, the crucial assumption is that they are relaxed. However, subarcminute resolution…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Sandor M. Molnar , Nathan C. Hearn , Joachim G. Stadel

Directional miscentering dependence in weak lensing mass bias

Galaxy cluster masses estimated from parametric modeling of weak lensing shear observations are known to be biased by inaccuracies in observationally determined centers. It has recently been shown that such systematic effects can be…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-18 Martin W. Sommer , Tim Schrabback , Sebastian Grandis

Cross-correlation Weak Lensing of SDSS Galaxy Clusters I: Measurements

This is the first in a series of papers on the weak lensing effect caused by clusters of galaxies in Sloan Digital Sky Survey. The photometrically selected cluster sample, known as MaxBCG, includes ~130,000 objects between redshift 0.1 and…

Astrophysics · Physics 2009-09-24 Erin S. Sheldon , David E. Johnston , Ryan Scranton , Ben P. Koester , Timothy A. McKay , Hiroaki Oyaizu , Carlos Cunha , Marcos Lima , Huan Lin , Joshua A. Frieman , Risa H. Wechsler , James Annis , Rachel Mandelbaum , Neta A. Bahcall , Masataka Fukugita

The Atacama Cosmology Telescope: A Catalog of > 4000 Sunyaev-Zel'dovich Galaxy Clusters

We present a catalog of 4195 optically confirmed Sunyaev-Zel'dovich (SZ) selected galaxy clusters detected with signal-to-noise > 4 in 13,211 deg$^2$ of sky surveyed by the Atacama Cosmology Telescope (ACT). Cluster candidates were selected…

Cosmology and Nongalactic Astrophysics · Physics 2021-03-17 M. Hilton , C. Sifón , S. Naess , M. Madhavacheril , M. Oguri , E. Rozo , E. Rykoff , T. M. C. Abbott , S. Adhikari , M. Aguena , S. Aiola , S. Allam , S. Amodeo , A. Amon , J. Annis , B. Ansarinejad , C. Aros-Bunster , J. E. Austermann , S. Avila , D. Bacon , N. Battaglia , J. A. Beall , D. T. Becker , G. M. Bernstein , E. Bertin , T. Bhandarkar , S. Bhargava , J. R. Bond , D. Brooks , D. L. Burke , E. Calabrese , J. Carretero , S. K. Choi , A. Choi , C. Conselice , L. N. da Costa , M. Costanzi , D. Crichton , K. T. Crowley , R. Dünner , E. V. Denison , M. J. Devlin , S. R. Dicker , H. T. Diehl , J. P. Dietrich , P. Doel , S. M. Duff , A. J. Duivenvoorden , J. Dunkley , S. Everett , S. Ferraro , I. Ferrero , A. Ferté , B. Flaugher , J. Frieman , P. A. Gallardo , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , P. Giles , J. E. Golec , M. B. Gralla , S. Grandis , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , D. Han , W. G. Hartley , M. Hasselfield , J. C. Hill , G. C. Hilton , A. D. Hincks , S. R. Hinton , S-P. P. Ho , K. Honscheid , B. Hoyle , J. Hubmayr , K. M. Huffenberger , J. P. Hughes , A. T. Jaelani , B. Jain , D. J. James , T. Jeltema , S. Kent , M. Carrasco Kind , K. Knowles , B. J. Koopman , K. Kuehn , O. Lahav , M. Lima , Y-T. Lin , M. Lokken , S. I. Loubser , N. MacCrann , M. A. G. Maia , T. A. Marriage , J. Martin , J. McMahon , P. Melchior , F. Menanteau , R. Miquel , H. Miyatake , K. Moodley , R. Morgan , T. Mroczkowski , F. Nati , L. B. Newburgh , M. D. Niemack , A. J. Nishizawa , R. L. C. Ogando , J. Orlowski-Scherer , L. A. Page , A. Palmese , B. Partridge , F. Paz-Chinchón , P. Phakathi , A. A. Plazas , N. C. Robertson , A. K. Romer , A. Carnero Rosell , M. Salatino , E. Sanchez , E. Schaan , A. Schillaci , N. Sehgal , S. Serrano , T. Shin , S. M. Simon , M. Smith , M. Soares-Santos , D. N. Spergel , S. T. Staggs , E. R. Storer , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. To , H. Trac , J. N. Ullom , L. R. Vale , J. Van Lanen , E. M. Vavagiakis , J. De Vicente , R. D. Wilkinson , E. J. Wollack , Z. Xu , Y. Zhang

Galaxy Cluster Shapes and Systematic Errors in H0 Measured by the Sunyaev-Zel'dovich Effect

Imaging of the Sunyaev-Zel'dovich (SZ) effect in galaxy clusters combined with cluster plasma x-ray diagnostics can measure the cosmic distance scale to high redshift. Projecting the inverse-Compton scattering and x-ray emission along the…

Astrophysics · Physics 2009-10-31 Martin E. Sulkanen

Sunyaev-Zel'dovich Effect and X-ray Scaling Relations from Weak-Lensing Mass Calibration of 32 SPT Selected Galaxy Clusters

Uncertainty in the mass-observable scaling relations is currently the limiting factor for galaxy cluster based cosmology. Weak gravitational lensing can provide a direct mass calibration and reduce the mass uncertainty. We present new…

Cosmology and Nongalactic Astrophysics · Physics 2019-02-13 J. P. Dietrich , S. Bocquet , T. Schrabback , H. Hoekstra , S. Grandis , J. J. Mohr , S. W. Allen , M. B. Bayliss , B. A. Benson , L. E. Bleem , M. Brodwin , E. Bulbul , R. Capasso , I. Chiu , T. M. Crawford , A. H. Gonzalez , T. de Haan , M. Klein , A. von der Linden , A. B. Mantz , D. P. Marrone , M. McDonald , S. Raghunathan , D. Rapetti , C. L. Reichardt , A. Saro , B. Stalder , A. Stark , C. Stern , C. Stubbs

Submillimetre Source Counts in the Fields of High-Redshift Galaxy Clusters

We present a submillimetre survey of seven high-z galaxy clusters (0.64<z<1.0) using the Submillimetre Common-User Bolometer Array (SCUBA) at 850 and 450 um. The targets, of similar richness and redshift, are selected from the Red-sequence…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 A. G. Noble , T. M. A. Webb , E. Ellingson , A. J. Faloon , R. R. Gal , M. D. Gladders , A. K. Hicks , H. Hoekstra , B. C. Hsieh , R. J. Ivison , B. C. Lemaux , L. M. Lubin , D. V. O'Donnell , H. K. C. Yee