Related papers: Cosmic Shear Statistics and Cosmology

Dark Energy Survey Year 3 Results: Cosmology from Cosmic Shear and Robustness to Modeling Uncertainty

This work and its companion paper, Amon et al. (2021), present cosmic shear measurements and cosmological constraints from over 100 million source galaxies in the Dark Energy Survey (DES) Year 3 data. We constrain the lensing amplitude…

Cosmology and Nongalactic Astrophysics · Physics 2022-01-17 L. F. Secco , S. Samuroff , E. Krause , B. Jain , J. Blazek , M. Raveri , A. Campos , A. Amon , A. Chen , C. Doux , A. Choi , D. Gruen , G. M. Bernstein , C. Chang , J. DeRose , J. Myles , A. Ferté , P. Lemos , D. Huterer , J. Prat , M. A. Troxel , N. MacCrann , A. R. Liddle , T. Kacprzak , X. Fang , C. Sánchez , S. Pandey , S. Dodelson , P. Chintalapati , K. Hoffmann , A. Alarcon , O. Alves , F. Andrade-Oliveira , E. J. Baxter , K. Bechtol , M. R. Becker , A. Brandao-Souza , H. Camacho , A. Carnero Rosell , M. Carrasco Kind , R. Cawthon , J. P. Cordero , M. Crocce , C. Davis , E. Di Valentino , A. Drlica-Wagner , K. Eckert , T. F. Eifler , M. Elidaiana , F. Elsner , J. Elvin-Poole , S. Everett , P. Fosalba , O. Friedrich , M. Gatti , G. Giannini , R. A. Gruendl , I. Harrison , W. G. Hartley , K. Herner , H. Huang , E. M. Huff , M. Jarvis , N. Jeffrey , N. Kuropatkin , P. -F. Leget , J. Muir , J. Mccullough , A. Navarro Alsina , Y. Omori , Y. Park , A. Porredon , R. Rollins , A. Roodman , R. Rosenfeld , A. J. Ross , E. S. Rykoff , J. Sanchez , I. Sevilla-Noarbe , E. S. Sheldon , T. Shin , I. Tutusaus , T. N. Varga , N. Weaverdyck , R. H. Wechsler , B. Yanny , B. Yin , Y. Zhang , J. Zuntz , T. M. C. Abbott , M. Aguena , S. Allam , J. Annis , D. Bacon , E. Bertin , S. Bhargava , S. L. Bridle , D. Brooks , E. Buckley-Geer , D. L. Burke , J. Carretero , M. Costanzi , L. N. da Costa , J. De Vicente , H. T. Diehl , J. P. Dietrich , P. Doel , I. Ferrero , B. Flaugher , J. Frieman , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , J. Gschwend , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , B. Hoyle , D. J. James , T. Jeltema , K. Kuehn , O. Lahav , M. Lima , H. Lin , M. A. G. Maia , J. L. Marshall , P. Martini , P. Melchior , F. Menanteau , R. Miquel , J. J. Mohr , R. Morgan , R. L. C. Ogando , A. Palmese , F. Paz-Chinchón , D. Petravick , A. Pieres , A. A. Plazas Malagón , M. Rodriguez-Monroy , A. K. Romer , E. Sanchez , V. Scarpine , M. Schubnell , D. Scolnic , S. Serrano , M. Smith , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. To

Radio-Optical Galaxy Shape and Shear Correlations in the COSMOS Field using 3 GHz VLA Observations

We present a weak lensing analysis of the 3 GHz VLA radio survey of the COSMOS field, which we correlate with overlapping HST-ACS optical observations using both intrinsic galaxy shape and cosmic shear correlation statistics. After…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-27 Tom Hillier , Michael L. Brown , Ian Harrison , Lee Whittaker

Likelihood Analysis of Cosmic Shear on Simulated and VIRMOS-DESCART Data

We present a maximum likelihood analysis of cosmological parameters from measurements of the aperture mass up to 35 arcmin, using simulated and real cosmic shear data. A four-dimensional parameter space is explored which examines the mean…

Astrophysics · Physics 2009-11-07 L. Van Waerbeke , Y. Mellier , R. Pello , U-L. Pen , H. J. McCracken , B. Jain

CFHTLenS: Combined probe cosmological model comparison using 2D weak gravitational lensing

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 square degrees in five optical bands. Using accurate…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Martin Kilbinger , Liping Fu , Catherine Heymans , Fergus Simpson , Jonathan Benjamin , Thomas Erben , Joachim Harnois-Deraps , Henk Hoekstra , Hendrik Hildebrandt , Thomas D. Kitching , Yannick Mellier , Lance Miller , Ludovic Van Waerbeke , Karim Benabed , Christopher Bonnett , Jean Coupon , Michael J. Hudson , Konrad Kuijken , Barnaby Rowe , Tim Schrabback , Elisabetta Semboloni , Sanaz Vafaei , Malin Velander

Cross-correlation cosmic shear with the SDSS and VLA FIRST surveys

We measure the cosmic shear power spectrum on large angular scales by cross-correlating the shapes of ~9 million galaxies measured in the optical SDSS survey with the shapes of ~2.7x10^5 radio galaxies measured by the overlapping VLA-FIRST…

Cosmology and Nongalactic Astrophysics · Physics 2016-01-27 Constantinos Demetroullas , Michael L. Brown

Power spectrum from weak-shear data

We demonstrate that the aperture mass as a measure for cosmic shear closely approximates (to better than ~5%) the scaled and shifted power spectrum of the projected mass density. This cosmological weak-lensing information can thus be used…

Astrophysics · Physics 2007-05-23 Matthias Bartelmann , Peter Schneider

Cosmic Shear Measurements with DES Science Verification Data

We present measurements of weak gravitational lensing cosmic shear two-point statistics using Dark Energy Survey Science Verification data. We demonstrate that our results are robust to the choice of shear measurement pipeline, either ngmix…

Cosmology and Nongalactic Astrophysics · Physics 2016-07-28 M. R. Becker , M. A. Troxel , N. MacCrann , E. Krause , T. F. Eifler , O. Friedrich , A. Nicola , A. Refregier , A. Amara , D. Bacon , G. M. Bernstein , C. Bonnett , S. L. Bridle , M. T. Busha , C. Chang , S. Dodelson , B. Erickson , A. E. Evrard , J. Frieman , E. Gaztanaga , D. Gruen , W. Hartley , B. Jain , M. Jarvis , T. Kacprzak , D. Kirk , A. Kravtsov , B. Leistedt , E. S. Rykoff , C. Sabiu , C. Sanchez , H. Seo , E. Sheldon , R. H. Wechsler , J. Zuntz , T. Abbott , F. B. Abdalla , S. Allam , R. Armstrong , M. Banerji , A. H. Bauer , A. Benoit-Levy , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , D. Capozzi , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , M. Crocce , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , D. L. DePoy , S. Desai , H. T. Diehl , J. P. Dietrich , P. Doel , A. Fausti Neto , E. Fernandez , D. A. Finley , B. Flaugher , P. Fosalba , D. W. Gerdes , R. A. Gruendl , G. Gutierrez , K. Honscheid , D. J. James , K. Kuehn , N. Kuropatkin , O. Lahav , T. S. Li , M. Lima , M. A. G. Maia , M. March , P. Martini , P. Melchior , C. J. Miller , R. Miquel , J. J. Mohr , R. C. Nichol , B. Nord , R. Ogando , A. A. Plazas , K. Reil , A. K. Romer , A. Roodman , M. Sako , E. Sanchez , V. Scarpine , M. Schubnell , I. Sevilla-Noarbe , R. C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , J. Thaler , D. Thomas , V. Vikram , A. R. Walker , The DES Collaboration

The shear power spectrum from the COMBO-17 survey

We perform a cosmic shear analysis of the COMBO-17 survey -- a unique dataset with shear quality R-band imaging and accurate photometric redshift estimates (dz=0.05) for ~90% of galaxies to R=24.0. We undertake a full maximum likelihood…

Astrophysics · Physics 2008-11-26 M. L. Brown , A. N. Taylor , D. J. Bacon , M. E. Gray , S. Dye , K. Meisenheimer , C. Wolf

3D Cosmic Shear: Cosmology from CFHTLenS

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 using a spherical harmonic approach, and does not bin data in…

Cosmology and Nongalactic Astrophysics · Physics 2015-01-06 T. D. Kitching , A. F. Heavens , J. Alsing , T. Erben , C. Heymans , H. Hildebrandt , H. Hoekstra , A. Jaffe , A. Kiessling , Y. Mellier , L. Miller , L. van Waerbeke , J. Benjamin , J. Coupon , L. Fu , M. J. Hudson , M. Kilbinger , K. Kuijken , B. T. P. Rowe , T. Schrabback , E. Semboloni , M. Velander

Hyper Suprime-Cam Year 3 Results: Cosmology from Cosmic Shear Power Spectra

We measure weak lensing cosmic shear power spectra from the three-year galaxy shear catalog of the Hyper Suprime-Cam (HSC) Subaru Strategic Program imaging survey. The shear catalog covers $416 \ \mathrm{deg}^2$ of the northern sky, with a…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-07 Roohi Dalal , Xiangchong Li , Andrina Nicola , Joe Zuntz , Michael A. Strauss , Sunao Sugiyama , Tianqing Zhang , Markus M. Rau , Rachel Mandelbaum , Masahiro Takada , Surhud More , Hironao Miyatake , Arun Kannawadi , Masato Shirasaki , Takanori Taniguchi , Ryuichi Takahashi , Ken Osato , Takashi Hamana , Masamune Oguri , Atsushi J. Nishizawa , Andrés A. Plazas Malagón , Tomomi Sunayama , David Alonso , Anže Slosar , Robert Armstrong , James Bosch , Yutaka Komiyama , Robert H. Lupton , Nate B. Lust , Lauren A. MacArthur , Satoshi Miyazaki , Hitoshi Murayama , Takahiro Nishimichi , Yuki Okura , Paul A. Price , Philip J. Tait , Masayuki Tanaka , Shiang-Yu Wang

Dark Energy Survey Year 6 Results: Cosmological Constraints from Cosmic Shear

We present legacy cosmic shear measurements and cosmological constraints using six years of Dark Energy Survey imaging data. From these data, we study ~140 million galaxies (8.29 galaxies/arcmin$^2$) that are 50% complete at i=24.0 and…

Cosmology and Nongalactic Astrophysics · Physics 2026-02-11 DES Collaboration , T. M. C. Abbott , M. Aguena , A. Alarcon , O. Alves , A. Amon , D. Anbajagane , F. Andrade-Oliveira , W. d'Assignies , S. Avila , D. Bacon , J. Beas-Gonzalez , K. Bechtol , M. R. Becker , G. M. Bernstein , J. Blazek , S. Bocquet , D. Brooks , H. Camacho , G. Camacho-Ciurana , R. Camilleri , G. Campailla , A. Campos , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , R. Cawthon , C. Chang , A. Choi , J. M. Coloma-Nadal , C. Conselice , L. N. da Costa , M. Costanzi , M. Crocce , T. M. Davis , J. De Vicente , D. L. DePoy , J. DeRose , S. Desai , H. T. Diehl , P. Doel , C. Doux , A. Drlica-Wagner , T. F. Eifler , S. Everett , A. E. Evrard , A. Ferté , B. Flaugher , P. Fosalba , O. Friedrich , J. Frieman , J. García-Bellido , M. Gatti , G. Giannini , P. Giles , K. Glazebrook , D. Gruen , R. A. Gruendl , G. Gutierrez , I. Harrison , W. G. Hartley , K. Herner , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. Huterer , B. Jain , D. J. James , M. Jarvis , N. Jeffrey , T. Jeltema , T. Kacprzak , S. Kent , E. Krause , O. Lahav , S. Lee , E. Legnani , H. Lin , J. L. Marshall , S. Mau , J. Mena-Fernández , F. Menanteau , R. Miquel , J. J. Mohr , J. Muir , J. Myles , R. C. Nichol , R. L. C. Ogando , A. Palmese , M. Paterno , W. J. Percival , D. Petravick , A. A. Plazas Malagón , A. Porredon , J. Prat , C. Preston , M. Raveri , M. Rodriguez-Monroy , A. K. Romer , A. Roodman , E. S. Rykoff , S. Samuroff , C. Sánchez , E. Sanchez , D. Sanchez Cid , T. Schutt , I. Sevilla-Noarbe , E. Sheldon , T. Shin , M. E. da Silva Pereira , M. Smith , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , M. Tabbutt , G. Tarle , D. Thomas , C. To , M. A. Troxel , V. Vikram , M. Vincenzi , N. Weaverdyck , J. Weller , P. Wiseman , M. Yamamoto , B. Yanny , B. Yin , J. Zuntz

KiDS-1000 Cosmology: Cosmic shear constraints and comparison between two point statistics

We present cosmological constraints from a cosmic shear analysis of the fourth data release of the Kilo-Degree Survey (KiDS-1000), doubling the survey area with nine-band optical and near-infrared photometry with respect to previous KiDS…

Cosmology and Nongalactic Astrophysics · Physics 2021-01-27 Marika Asgari , Chieh-An Lin , Benjamin Joachimi , Benjamin Giblin , Catherine Heymans , Hendrik Hildebrandt , Arun Kannawadi , Benjamin Stölzner , Tilman Tröster , Jan Luca van den Busch , Angus H. Wright , Maciej Bilicki , Chris Blake , Jelte de Jong , Andrej Dvornik , Thomas Erben , Fedor Getman , Henk Hoekstra , Fabian Köhlinger , Konrad Kuijken , Lance Miller , Mario Radovich , Peter Schneider , HuanYuan Shan , Edwin Valentijn

Sources of contamination to weak lensing tomography: redshift-dependent shear measurement bias

The current methods available to estimate gravitational shear from astronomical images of galaxies introduce systematic errors which can affect the accuracy of weak lensing cosmological constraints. We study the impact of KSB shape…

Astrophysics · Physics 2015-05-13 Elisabetta Semboloni , Ismael Tereno , Ludovic van Waerbeke , Catherine Heymans

Dark Energy Survey Year 1 Results: Cosmological Constraints from Cosmic Shear

We use 26 million galaxies from the Dark Energy Survey (DES) Year 1 shape catalogs over 1321 deg$^2$ of the sky to produce the most significant measurement of cosmic shear in a galaxy survey to date. We constrain cosmological parameters in…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-12 M. A. Troxel , N. MacCrann , J. Zuntz , T. F. Eifler , E. Krause , S. Dodelson , D. Gruen , J. Blazek , O. Friedrich , S. Samuroff , J. Prat , L. F. Secco , C. Davis , A. Ferté , J. DeRose , A. Alarcon , A. Amara , E. Baxter , M. R. Becker , G. M. Bernstein , S. L. Bridle , R. Cawthon , C. Chang , A. Choi , J. De Vicente , A. Drlica-Wagner , J. Elvin-Poole , J. Frieman , M. Gatti , W. G. Hartley , K. Honscheid , B. Hoyle , E. M. Huff , D. Huterer , B. Jain , M. Jarvis , T. Kacprzak , D. Kirk , N. Kokron , C. Krawiec , O. Lahav , A. R. Liddle , J. Peacock , M. M. Rau , A. Refregier , R. P. Rollins , E. Rozo , E. S. Rykoff , C. Sánchez , I. Sevilla-Noarbe , E. Sheldon , A. Stebbins , T. N. Varga , P. Vielzeuf , M. Wang , R. H. Wechsler , B. Yanny , T. M. C. Abbott , F. B. Abdalla , S. Allam , J. Annis , K. Bechtol , A. Benoit-Lévy , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , M. Crocce , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , D. L. DePoy , S. Desai , H. T. Diehl , J. P. Dietrich , P. Doel , E. Fernandez , B. Flaugher , P. Fosalba , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , D. A. Goldstein , R. A. Gruendl , J. Gschwend , G. Gutierrez , D. J. James , T. Jeltema , M. W. G. Johnson , M. D. Johnson , S. Kent , K. Kuehn , S. Kuhlmann , N. Kuropatkin , T. S. Li , M. Lima , H. Lin , M. A. G. Maia , M. March , J. L. Marshall , P. Martini , P. Melchior , F. Menanteau , R. Miquel , J. J. Mohr , E. Neilsen , R. C. Nichol , B. Nord , D. Petravick , A. A. Plazas , A. K. Romer , A. Roodman , M. Sako , E. Sanchez , V. Scarpine , R. Schindler , M. Schubnell , M. Smith , R. C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , D. L. Tucker , V. Vikram , A. R. Walker , J. Weller , Y. Zhang

Statistical and Systematic Errors in Measurement of Weak-Lensing Minkowski Functionals: Application to Canada-France-Hawaii Lensing Survey

The measurement of cosmic shear using weak gravitational lensing is a challenging task that involves a number of complicated procedures. We study in detail the systematic errors in the measurement of weak lensing Minkowski Functionals…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 Masato Shirasaki , Naoki Yoshida

GaBoDS: The Garching-Bonn Deep Survey: VI. Cosmic shear analysis

Aims. We present a cosmic shear analysis and data validation of 15 square degree high-quality R-band data of the Garching-Bonn Deep Survey obtained with the Wide Field Imager of the MPG/ESO 2.2m telescope. Methods. We measure the two-point…

Astrophysics · Physics 2009-11-11 M. Hetterscheidt , P. Simon , M. Schirmer , H. Hildebrandt , T. Schrabback , T. Erben , P. Schneider

Cosmological weak lensing with the HST GEMS survey

We present our cosmic shear analysis of GEMS, one of the largest wide-field surveys ever undertaken by the Hubble Space Telescope. Imaged with the Advanced Camera for Surveys (ACS), GEMS spans 795 square arcmin in the Chandra Deep Field…

Astrophysics · Physics 2009-11-10 Catherine Heymans , Michael L. Brown , Marco Barden , John A. R. Caldwell , Knud Jahnke , Chien Y. Peng , Hans-Walter Rix , Andy Taylor , Steven V. W. Beckwith , Eric F. Bell , Andrea Borch , Boris Haeussler , Shardha Jogee , Daniel H. McIntosh , Klaus Meisenheimer , Sebastian F. Sanchez , Rachel Somerville , Lutz Wisotzki , Christian Wolf

Cosmic Shear in Harmonic Space from the Dark Energy Survey Year 1 Data: Compatibility with Configuration Space Results

We perform a cosmic shear analysis in harmonic space using the first year of data collected by the Dark Energy Survey (DES-Y1). We measure the cosmic weak lensing shear power spectra using the Metacalibration catalogue and perform a…

Cosmology and Nongalactic Astrophysics · Physics 2022-10-11 H. Camacho , F. Andrade-Oliveira , A. Troja , R. Rosenfeld , L. Faga , R. Gomes , C. Doux , X. Fang , M. Lima , V. Miranda , T. F. Eifler , O. Friedrich , M. Gatti , G. M. Bernstein , J. Blazek , S. L. Bridle , A. Choi , C. Davis , J. DeRose , E. Gaztanaga , D. Gruen , W. G. Hartley , B. Hoyle , M. Jarvis , N. MacCrann , J. Prat , M. M. Rau , S. Samuroff , C. Sánchez , E. Sheldon , M. A. Troxel , P. Vielzeuf , J. Zuntz , T. M. C. Abbott , M. Aguena , S. Allam , J. Annis , D. Bacon , E. Bertin , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , R. Cawthon , M. Costanzi , L. N. da Costa , M. E. S. Pereira , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , S. Everett , A. E. Evrard , I. Ferrero , B. Flaugher , P. Fosalba , D. Friedel , J. Frieman , J. García-Bellido , D. W. Gerdes , R. A. Gruendl , J. Gschwend , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. Huterer , D. J. James , K. Kuehn , N. Kuropatkin , O. Lahav , M. A. G. Maia , J. L. Marshall , P. Melchior , F. Menanteau , R. Miquel , R. Morgan , F. Paz-Chinchón , D. Petravick , A. Pieres , A. A. Plazas Malagón , K. Reil , M. Rodriguez-Monroy , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , M. Smith , M. Soares-Santos , E. Suchyta , G. Tarle , D. Thomas , C. To , T. N. Varga , J. Weller , R. D. Wilkinson

Combining strong and weak lensing estimates in the Cosmos field

We present a combined cosmic shear analysis of the modeling of line-of-sight distortions on strongly lensed extended arcs and galaxy shape measurements in the COSMOS field. We develop a framework to predict the covariance of strong lensing…

Cosmology and Nongalactic Astrophysics · Physics 2021-04-14 Felix Arjun Kuhn , Claudio Bruderer , Simon Birrer , Adam Amara , Alexandre Réfrégier

A Numerical Study of Cosmic Shear Statistics

We explore the stability of the variance and skewness of the cosmic gravitational convergence field, using two different approaches: first we simulate a whole MEGACAM survey (100 sq. degrees). The reconstructed mass map, obtained from a…

Astrophysics · Physics 2007-05-23 A. Thion , Y. Mellier , F. Bernardeau , E. Bertin , T. Erben , L. van Waerbeke