Related papers: General Relativistic corrections in density-shear …

Analyzing Line-of-sight selection biases in galaxy-scale strong lensing with external convergence and shear

The upcoming Vera Rubin Observatory Legacy Survey of Space and Time (LSST) will dramatically increase the number of strong gravitational lensing systems, requiring precise modeling of line-of-sight (LOS) effects to mitigate biases in…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-05 Xianzhe TZ Tang , Simon Birrer , Anowar J. Shajib , Narayan Khadka , the LSST Strong Gravitational Lensing Science Collaboration , the LSST Dark Energy Science Collaboration

Constraining the Minimum Luminosity of High Redshift Galaxies through Gravitational Lensing

We simulate the effects of gravitational lensing on the source count of high redshift galaxies as projected to be observed by the Hubble Frontier Fields program and the James Webb Space Telescope (JWST) in the near future. Taking the mass…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Natalie Mashian , Abraham Loeb

Weak lensing by galaxy troughs in DES Science Verification data

We measure the weak lensing shear around galaxy troughs, i.e. the radial alignment of background galaxies relative to underdensities in projections of the foreground galaxy field over a wide range of redshift in Science Verification data…

Cosmology and Nongalactic Astrophysics · Physics 2015-12-10 D. Gruen , O. Friedrich , A. Amara , D. Bacon , C. Bonnett , W. Hartley , B. Jain , M. Jarvis , T. Kacprzak , E. Krause , A. Mana , E. Rozo , E. S. Rykoff , S. Seitz , E. Sheldon , M. A. Troxel , V. Vikram , T. Abbott , F. B. Abdalla , S. Allam , R. Armstrong , M. Banerji , A. H. Bauer , M. R. Becker , A. Benoit-Levy , G. M. Bernstein , R. A. Bernstein , E. Bertin , S. L. Bridle , D. Brooks , E. Buckley-Geer , D. L. Burke , D. Capozzi , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , 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 , T. F. Eifler , A. Fausti Neto , E. Fernandez , B. Flaugher , P. Fosalba , J. Frieman , 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 , 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 , A. R. Walker , R. H. Wechsler , J. Weller , Y. Zhang , J. Zuntz

Potential sources of contamination to weak lensing measurements: constraints from N-body simulations

We investigate the expected correlation between the weak gravitational shear of distant galaxies and the orientation of foreground galaxies, through the use of numerical simulations. This shear-ellipticity correlation can mimic a…

Astrophysics · Physics 2009-08-18 Catherine Heymans , Martin White , Alan Heavens , Chris Vale , Ludovic Van Waerbeke

The SRG/eROSITA All-Sky Survey: Dark Energy Survey Year 3 Weak Gravitational Lensing by eRASS1 selected Galaxy Clusters

Number counts of galaxy clusters across redshift are a powerful cosmological probe, if a precise and accurate reconstruction of the underlying mass distribution is performed -- a challenge called mass calibration. With the advent of wide…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-17 S. Grandis , V. Ghirardini , S. Bocquet , C. Garrel , J. J. Mohr , A. Liu , M. Kluge , L. Kimmig , T. H. Reiprich , A. Alarcon , A. Amon , E. Artis , Y. E. Bahar , F. Balzer , K. Bechtol , M. R. Becker , G. Bernstein , E. Bulbul , A. Campos , A. Carnero Rosell , M. Carrasco Kind , R. Cawthon , C. Chang , R. Chen , I. Chiu , A. Choi , N. Clerc , J. Comparat , J. Cordero , C. Davis , J. Derose , H. T. Diehl , S. Dodelson , C. Doux , A. Drlica-Wagner , K. Eckert , J. Elvin-Poole , S. Everett , A. Ferte , M. Gatt , G. Giannini , P. Giles , D. Gruen , R. A. Gruendl , I. Harrison , W. G. Hartley , K. Herner , E. M. Huf , F. Kleinebreil , N. Kuropatkin , P. F. Leget , N. Maccrann , J. Mccullough , A. Merloni , J. Myles , K. Nandra , A. Navarro-Alsina , N. Okabe , F. Pacaud , S. Pandey , J. Prat , P. Predehl , M. Ramos , M. Raveri , R. P. Rollins , A. Roodman , A. J. Ross , E. S. Rykoff , C. Sanchez , J. Sanders , T. Schrabback , L. F. Secco , R. Seppi , I. Sevilla-Noarbe , E. Sheldon , T. Shin , M. Troxel , I. Tutusaus , T. N. Varga , H. Wu , B. Yanny , B. Yin , X. Zhang , Y. Zhang , O. Alves , S. Bhargava , D. Brooks , D. L. Burke , J. Carretero , M. Costanzi , L. N. da Costa , M. E. S. Pereira , J. De Vicente , S. Desai , P. Doel , I. Ferrero , B. Flaugher , D. Friedel , J. Frieman , J. García-Bellido , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , N. Jeffrey , O. Lahav , S. Lee , J. L. Marshall , F. Menanteau , R. L. C. Ogando , A. Pieres , A. A. Plazas Malagón , A. K. Romer , E. Sanchez , M. Schubnell , M. Smith , E. Suchyta , M. E. C. Swanson , G. Tarle , N. Weaverdyck , J. Weller

Dark Energy Survey Year 1 Results: Galaxy clustering for combined probes

We measure the clustering of DES Year 1 galaxies that are intended to be combined with weak lensing samples in order to produce precise cosmological constraints from the joint analysis of large-scale structure and lensing correlations.…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-12 J. Elvin-Poole , M. Crocce , A. J. Ross , T. Giannantonio , E. Rozo , E. S. Rykoff , S. Avila , N. Banik , J. Blazek , S. L. Bridle , R. Cawthon , A. Drlica-Wagner , O. Friedrich , N. Kokron , E. Krause , N. MacCrann , J. Prat , C. Sanchez , L. F. Secco , I. Sevilla-Noarbe , M. A. Troxel , T. M. C. Abbott , F. B. Abdalla , S. Allam , J. Annis , J. Asorey , K. Bechtol , M. R. Becker , A. Benoit-Levy , G. M. Bernstein , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , D. Carollo , M. Carrasco Kind , J. Carretero , F. J. Castander , C. E. Cunha , C. B. DAndrea , L. N. da Costa , T. M. Davis , C. Davis , S. Desai , H. T. Diehl , J. P. Dietrich , S. Dodelson , P. Doel , T. F. Eifler , A. E. Evrard , E. Fernandez , B. Flaugher , P. Fosalba , J. Frieman , J. Garcia-Bellido , E. Gaztanaga , D. W. Gerdes , K. Glazebrook , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , S. R. Hinton , K. Honscheid , J. K. Hoormann , B. Jain , D. J. James , M. Jarvis , T. Jeltema , M. W. G. Johnson , M. D. Johnson , A. King , K. Kuehn , S. Kuhlmann , N. Kuropatkin , O. Lahav , G. Lewis , T. S. Li , C. Lidman , M. Lima , H. Lin , E. Macaulay , M. March , J. L. Marshall , P. Martini , P. Melchior , F. Menanteau , R. Miquel , J. J. Mohr , A. Moller , R. C. Nichol , B. Nord , C. R. ONeill , W. J. Percival , D. Petravick , A. A. Plazas , A. K. Romer , M. Sako , E. Sanchez , V. Scarpine , R. Schindler , M. Schubnell , E. Sheldon , M. Smith , R. C. Smith , M. Soares-Santos , F. Sobreira , N. E. Sommer , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , B. E. Tucker , D. L. Tucker , S. A. Uddin , V. Vikram , A. R. Walker , R. H. Wechsler , J. Weller , W. Wester , R. C. Wolf , F. Yuan , B. Zhang , J. Zuntz

Galaxy bias from galaxy-galaxy lensing in the DES Science Verification Data

We present a measurement of galaxy-galaxy lensing around a magnitude-limited ($i_{AB} < 22.5$) sample of galaxies from the Dark Energy Survey Science Verification (DES-SV) data. We split these lenses into three photometric-redshift bins…

Cosmology and Nongalactic Astrophysics · Physics 2017-09-27 J. Prat , C. Sánchez , R. Miquel , J. Kwan , J. Blazek , C. Bonnett , A. Amara , S. L. Bridle , J. Clampitt , M. Crocce , P. Fosalba , E. Gaztanaga , T. Giannantonio , W. G. Hartley , M. Jarvis , N. MacCrann , W. J. Percival , A. J. Ross , E. Sheldon , J. Zuntz , T. M. C. Abbott , F. B. Abdalla , J. Annis , A. Benoit-Lévy , E. Bertin , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , L. N. da Costa , D. L. DePoy , S. Desai , H. T. Diehl , P. Doel , T. F. Eifler , A. E. Evrard , A. Fausti Neto , B. Flaugher , J. Frieman , D. W. Gerdes , D. Gruen , R. A. Gruendl , G. Gutierrez , K. Honscheid , D. J. James , K. Kuehn , N. Kuropatkin , O. Lahav , M. Lima , J. L. Marshall , P. Melchior , F. Menanteau , B. Nord , A. A. Plazas , K. Reil , A. K. Romer , A. Roodman , 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 , D. Thomas , A. R. Walker

Halo-Galaxy Lensing: A Full Sky Approach

The halo-galaxy lensing correlation function or the average tangential shear profile over sampled halos is a very powerful means of measuring the halo masses, the mass profile, and the halo-mass correlation function of very large…

Cosmology and Nongalactic Astrophysics · Physics 2010-12-13 Roland de Putter , Masahiro Takada

Galaxy Number Counts and Implications for Strong Lensing

We compare galaxy number counts in HST/ACS fields containing moderate-redshift (0.2<z<1.0) strong gravitational lenses with those in two control samples: (1) the first square degree of the COSMOS survey, comprising 259 ACS fields and (2) 20…

Cosmology and Nongalactic Astrophysics · Physics 2011-04-07 C. D. Fassnacht , L. V. E. Koopmans , K. C. Wong

A bias in cosmic shear from galaxy selection: results from ray-tracing simulations

We identify and study a previously unknown systematic effect on cosmic shear measurements, caused by the selection of galaxies used for shape measurement, in particular the rejection of close (blended) galaxy pairs. We use ray-tracing…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 Jan Hartlap , Stefan Hilbert , Peter Schneider , Hendrik Hildebrandt

Joint Measurement of Lensing-Galaxy Correlations Using SPT and DES SV Data

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 performed using pre-survey Dark Energy Survey (DES) Science…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-22 E. J. Baxter , J. Clampitt , T. Giannantonio , S. Dodelson , B. Jain , D. Huterer , L. E. Bleem , T. M. Crawford , G. Efstathiou , P. Fosalba , D. Kirk , J. Kwan , C. Sánchez , K. T. Story , M. A. Troxel , T. M. C. Abbott , F. B. Abdalla , R. Armstrong , A. Benoit-Lévy , B. A. Benson , G. M. Bernstein , R. A. Bernstein , E. Bertin , D. Brooks , J. E. Carlstrom , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , R. Chown , M. Crocce , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , S. Desai , H. T. Diehl , J. P. Dietrich , P. Doel , A. E. Evrard , A. Fausti Neto , B. Flaugher , J. Frieman , D. Gruen , R. A. Gruendl , G. Gutierrez , T. de Haan , G. P. Holder , K. Honscheid , Z. Hou , D. J. James , K. Kuehn , N. Kuropatkin , M. Lima , M. March , J. L. Marshall , P. Martini , P. Melchior , C. J. Miller , R. Miquel , J. J. Mohr , B. Nord , Y. Omori , A. A. Plazas , C. L. Reichardt , A. K. Romer , E. S. Rykoff , E. Sanchez , I. Sevilla-Noarbe , E. Sheldon , R. C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , A. A. Stark , M. E. C. Swanson , G. Tarle , D. Thomas , A. R. Walker , R. H. Wechsler

Dark Energy Survey Year 6 Results: Galaxy-galaxy lensing

We present galaxy--galaxy lensing (GGL) measurements from the full six years of data from the Dark Energy Survey (DES Y6), covering $4031\,\mathrm{deg}^2$ and used in the DES Y6 $3\times2$pt cosmological analysis. We use the MagLim++ lens…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-22 G. Giannini , G. Camacho-Ciurana , A. Whyley , J. Prat , J. Blazek , C. Sánchez , G. Zacharegkas , A. Alarcon , E. Legnani , A. Amon , D. Anbajagane , S. Avila , K. Bechtol , M. R. Becker , G. M. Bernstein , S. Bocquet , A. Campos , A. Carnero Rosell , R. Cawthon , C. Chang , M. Crocce , W. d'Assignies , J. De Vicente , A. Drlica-Wagner , S. Elvin-Poole , A. Ferté , M. Gatti , D. Gruen , M. Jarvis , M. Manera , S. Mau , J. McCullough , F. Menanteau , J. Myles , A. Porredon , M. Rodriguez-Monroy , A. Roodman , E. S. Rykoff , S. Samuroff , D. Sanchez Cid , I. Sevilla-Noarbe , T. Schutt , M. A. Troxel , N. Weaverdyck , M. Yamamoto , B. Yin , T. M. C. Abbott , M. Aguena , S. Allam , O. Alves , F. Andrade-Oliveira , D. Bacon , E. Bertin , D. Brooks , H. Camacho , J. Carretero , L. N. da Costa , M. E. da Silva Pereira , T. M. Davis , D. L. DePoy , S. Desai , H. T. Diehl , P. Doel , C. Doux , T. F. Eifler , S. Everett , A. E. Evrard , P. Fosalba , J. Frieman , J. García-Bellido , E. Gaztanaga , P. Giles , K. Glazebrook , I. Harrison , W. G. Hartley , K. Herner , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. Huterer , B. Jain , D. J. James , N. Jeffrey , T. Kacprzak , S. Kent , E. Krause , O. Lahav , S. Lee , J. L. Marshall , J. Mena-Fernández , R. Miquel , J. J. Mohr , J. Muir , R. C. Nichol , R. L. C. Ogando , A. Palmese , M. Paterno , W. J. Percival , D. Petravick , A. A. Plazas Malagón , M. Raveri , R. Rosenfeld , E. Sanchez , E. Sheldon , T. Shin , J. Allyn. Smith , M. Smith , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. To , D. L. Tucker , V. Vikram , M. Vincenzi , A. R. Walker , P. Wiseman , B. Yanny

Nonlinear relativistic corrections to cosmological distances, redshift and gravitational lensing magnification. I - Key results

The next generation of telescopes will usher in an era of precision cosmology, capable of determining the cosmological model to beyond the percent level. For this to be effective, the theoretical model must be understood to at least the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-23 Obinna Umeh , Chris Clarkson , Roy Maartens

RELICS: Strong Lens Models for Five Galaxy Clusters From the Reionization Lensing Cluster Survey

Strong gravitational lensing by galaxy clusters magnifies background galaxies, enhancing our ability to discover statistically significant samples of galaxies at z>6, in order to constrain the high-redshift galaxy luminosity functions.…

Astrophysics of Galaxies · Physics 2018-06-27 Catherine Cerny , Keren Sharon , Felipe Andrade-Santos , Roberto J. Avila , Marusa Bradac , Larry D. Bradley , Daniela Carrasco , Dan Coe , Nicole G. Czakon , William A. Dawson , Brenda L. Frye , Austin T. Hoag , Kuang-Han Huang , Traci L. Johnson , Christine Jones , Daniel Lam , Lorenzo Lovisari , Ramesh Mainali , Pascal A. Oesch , Sara Ogaz , Matthew Past , Rachel Paterno-Mahler , Avery Peterson , Adam G. Riess , Steven A. Rodney , Russell E. Ryan , Brett Salmon , Irene Sendra-Server , Daniel P. Stark , Louis-Gregory Strolger , Michele Trenti , Keiichi Umetsu , Benedetta Vulcani , Adi Zitrin

Detection of large scale intrinsic ellipticity-density correlation from the Sloan Digital Sky Survey and implications for weak lensing surveys

The power spectrum of weak lensing shear caused by large-scale structure is an emerging tool for precision cosmology, in particular for measuring the effects of dark energy on the growth of structure at low redshift. One potential source of…

Astrophysics · Physics 2009-11-13 Rachel Mandelbaum , Christopher M. Hirata , Mustapha Ishak , Uros Seljak , Jonathan Brinkmann

Full-sky lensing shear at second order

We compute the reduced cosmic shear up to second order in the gravitational potential without relying on the small angle or thin-lens approximation. This is obtained by solving the Sachs equation which describes the deformation of the…

Cosmology and Nongalactic Astrophysics · Physics 2010-04-14 Francis Bernardeau , Camille Bonvin , Filippo Vernizzi

Detecting gravitational lensing by matter currents

We explore the observational prospects for detecting gravitational lensing induced by cosmological matter currents, a relativistic correction to the standard density lensing effect arising from the motion of matter. We propose to isolate…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-25 C. Murray , R. Kou , J. G. Bartlett

Galaxy-dark matter correlations applied to galaxy-galaxy lensing: predictions from the semi-analytic galaxy formation models

We use semi-analytic models of galaxy formation combined with high resolution N-body simulations to make predictions for galaxy-dark matter correlations and apply them to galaxy-galaxy lensing. We analyze cross-correlation spectra between…

Astrophysics · Physics 2009-10-31 Jacek Guzik , Uros Seljak

The influence of redshift information on galaxy-galaxy lensing measurements

We investigate how galaxy-galaxy lensing measurements depend on the knowledge of redshifts for lens and source galaxies. Galaxy-galaxy lensing allows one to study dark matter halos of galaxies statistically using weak gravitational lensing.…

Astrophysics · Physics 2009-11-10 M. Kleinheinrich , H. -W. Rix , T. Erben , P. Schneider , C. Wolf , M. Schirmer , K. Meisenheimer , A. Borch , S. Dye , Z. Kovacs , L. Wisotzki

Testing Cosmological Models by Gravitational Lensing: I. Method and First Applications

Gravitational lensing directly measures mass density fluctuations along the lines of sight to very distant objects. No assumptions need to be made concerning bias, the ratio of fluctuations in galaxy density to mass density. Hence, lensing…

Astrophysics · Physics 2007-05-23 Joachim Wambsganss , Renyue Cen , Jeremiah P. Ostriker