English
Related papers

Related papers: Cosmological constraints from cosmic shear two-poi…

200 papers

Cosmic shear measurements rely on our ability to measure and correct the Point Spread Function (PSF) of the observations. This PSF is measured using stars in the field, which give a noisy measure at random points in the field. Using Wiener…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 A. Amara , A. Refregier , S. Paulin-Henriksson

We present weak lensing shear catalogues from the fourth data release of the Kilo-Degree Survey, KiDS-1000, spanning 1006 square degrees of deep and high-resolution imaging. Our `gold-sample' of galaxies, with well-calibrated photometric…

Large-scale structure (LSS) surveys will increasingly provide stringent constraints on our cosmological models. Recently, the density-marked correlation function (MCF) has been introduced, offering an easily computable density-correlation…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-11 L. M. Lai , J. C. Ding , X. L. Luo , Y. Z. Yang , Z. H. Wang , K. S. Liu , G. F. Liu , X. Wang , Y. Zheng , Z. Y. Li , L. Zhang , X. D. Li

We report the first result of the clustering analysis of Sloan Digital Sky Survey (SDSS) quasars. We compute the two-point correlation function (2PCF) of SDSS quasars in redshift space at $8h^{-1}{\rm Mpc} < s < 500h^{-1}{\rm Mpc}$, with…

Aims. The main goal of this paper is to derive observational constraints on the halo mass fuction (HMF) by performing a tomographic analysis of the magnification bias signal on a sample of background submillimeter galaxies. The results can…

Cosmology and Nongalactic Astrophysics · Physics 2022-06-15 M. M. Cueli , L. Bonavera , J. Gonzalez-Nuevo , D. Crespo , J. M. Casas , A. Lapi

As weak lensing surveys go deeper, there is an increasing need for reliable characterization of non-Gaussian structures at small angular scales. Here we present the first cosmological constraints with weak lensing scattering transform, a…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-12 Sihao Cheng , Gabriela A. Marques , Daniela Grandón , Leander Thiele , Masato Shirasaki , Brice Ménard , Jia Liu

We present high-fidelity cosmology results from a blinded joint analysis of galaxy-galaxy weak lensing ($\Delta\!\Sigma$) and projected galaxy clustering ($w_{\rm p}$) measured from the Hyper Suprime-Cam Year-1 (HSC-Y1) data and…

We present refined cosmological parameter constraints derived from a cosmic shear analysis of the fourth data release of the Kilo-Degree Survey (KiDS-1000). Our main improvements include enhanced galaxy shape measurements made possible by…

We analysed the 3D clustering of the Planck sample of Sunyaev-Zeldovich (SZ) selected galaxy clusters, focusing on the redshift-space two-point correlation function (2PCF). We compared our measurements to theoretical predictions of the…

Cosmology and Nongalactic Astrophysics · Physics 2023-06-07 G. F. Lesci , A. Veropalumbo , M. Sereno , F. Marulli , L. Moscardini , C. Giocoli

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

We present cosmological parameter constraints from a joint analysis of three cosmological probes: the tomographic cosmic shear signal in $\sim$450 deg$^2$ of data from the Kilo Degree Survey (KiDS), the galaxy-matter cross-correlation…

We present the first cosmology results from large-scale structure in the Dark Energy Survey (DES) spanning 5000 deg$^2$. We perform an analysis combining three two-point correlation functions (3$\times$2pt): (i) cosmic shear using 100…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-22 DES Collaboration , T. M. C. Abbott , M. Aguena , A. Alarcon , S. Allam , O. Alves , A. Amon , F. Andrade-Oliveira , J. Annis , S. Avila , D. Bacon , E. Baxter , K. Bechtol , M. R. Becker , G. M. Bernstein , S. Bhargava , S. Birrer , J. Blazek , A. Brandao-Souza , S. L. Bridle , D. Brooks , E. Buckley-Geer , D. L. Burke , H. Camacho , A. Campos , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , R. Cawthon , C. Chang , A. Chen , R. Chen , A. Choi , C. Conselice , J. Cordero , M. Costanzi , M. Crocce , L. N. da Costa , M. E. da Silva Pereira , C. Davis , T. M. Davis , J. De Vicente , J. DeRose , S. Desai , E. Di Valentino , H. T. Diehl , J. P. Dietrich , S. Dodelson , P. Doel , C. Doux , A. Drlica-Wagner , K. Eckert , T. F. Eifler , F. Elsner , J. Elvin-Poole , S. Everett , A. E. Evrard , X. Fang , A. Farahi , E. Fernandez , I. Ferrero , A. Ferté , P. Fosalba , O. Friedrich , J. Frieman , J. García-Bellido , M. Gatti , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , G. Giannini , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , I. Harrison , W. G. Hartley , K. Herner , S. R. Hinton , D. L. Hollowood , K. Honscheid , B. Hoyle , E. M. Huff , D. Huterer , B. Jain , D. J. James , M. Jarvis , N. Jeffrey , T. Jeltema , A. Kovacs , E. Krause , R. Kron , K. Kuehn , N. Kuropatkin , O. Lahav , P. -F. Leget , P. Lemos , A. R. Liddle , C. Lidman , M. Lima , H. Lin , N. MacCrann , M. A. G. Maia , J. L. Marshall , P. Martini , J. McCullough , P. Melchior , J. Mena-Fernández , F. Menanteau , R. Miquel , J. J. Mohr , R. Morgan , J. Muir , J. Myles , S. Nadathur , A. Navarro-Alsina , R. C. Nichol , R. L. C. Ogando , Y. Omori , A. Palmese , S. Pandey , Y. Park , F. Paz-Chinchón , D. Petravick , A. Pieres , A. A. Plazas Malagón , A. Porredon , J. Prat , M. Raveri , M. Rodriguez-Monroy , R. P. Rollins , A. K. Romer , A. Roodman , R. Rosenfeld , A. J. Ross , E. S. Rykoff , S. Samuroff , C. Sánchez , E. Sanchez , J. Sanchez , D. Sanchez Cid , V. Scarpine , M. Schubnell , D. Scolnic , L. F. Secco , S. Serrano , I. Sevilla-Noarbe , E. Sheldon , T. Shin , M. Smith , M. Soares-Santos , E. Suchyta , M. E. C. Swanson , M. Tabbutt , G. Tarle , D. Thomas , C. To , A. Troja , M. A. Troxel , D. L. Tucker , I. Tutusaus , T. N. Varga , A. R. Walker , N. Weaverdyck , R. Wechsler , J. Weller , B. Yanny , B. Yin , Y. Zhang , J. Zuntz

The VST Optical Imaging of the CDFS and ES1 Fields (VOICE) Survey is a Guaranteed Time program carried out with the ESO/VST telescope to provide deep optical imaging over two 4 deg$^2$ patches of the sky centred on the CDFS and ES1…

We apply two Bayesian hierarchical inference schemes to infer shear power spectra, shear maps and cosmological parameters from the CFHTLenS weak lensing survey - the first application of this method to data. In the first approach, we sample…

Cosmology and Nongalactic Astrophysics · Physics 2017-05-10 Justin Alsing , Alan F. Heavens , Andrew H. Jaffe

Weak lensing by large-scale structure allows a direct measure of the dark matter distribution. We have used parallel images taken with the Space Telescope Imaging Spectrograph (STIS) on the Hubble Space Telescope to measure weak lensing, or…

We analyze the anisotropic two dimensional galaxy correlation function (2DCF) of the CMASS galaxy sample from the Sloan Digital Sky Survey Data Release 9 (DR9) of the Baryon Oscillation Spectroscopic Survey (BOSS) data. Modeling the 2DCF…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-19 Yun Wang

We develop a methodology to use the redshift dependence of the galaxy 2-point correlation function (2pCF) across the line-of-sight, $\xi(r_{\bot})$, as a probe of cosmological parameters. The positions of galaxies in comoving Cartesian…

Cosmology and Nongalactic Astrophysics · Physics 2017-08-02 Xiao-Dong Li , Changbom Park , Cristiano G. Sabiu , Hyunbae Park , Cheng Cheng , Juhan Kim , Sungwook E. Hong

Cosmological weak lensing measurements rely on a precise measurement of the shear two-point correlation function (2PCF) along with a deep understanding of systematics that affect it. In this work, we demonstrate a general framework for…

Cosmological weak lensing gives rise to correlations in the ellipticities of faint galaxies. This cosmic shear signal depends upon the matter power spectrum, thus providing a means to constrain cosmological parameters. It has recently been…

Astrophysics · Physics 2009-11-07 Lindsay King , Peter Schneider