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The dispersion measures (${\rm DMs}$) from fast radio bursts (FRBs) and the thermal Sunyaev--Zeldovich (tSZ) effect probe the free-electron density and pressure, respectively, in the intergalactic medium (IGM) and the intervening galaxies…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-05 Ryuichi Takahashi , Kunihito Ioka , Masato Shirasaki , Ken Osato

We present posterior sample redshift distributions for the Hyper Suprime-Cam Subaru Strategic Program Weak Lensing three-year (HSC Y3) analysis. Using the galaxies' photometry and spatial cross-correlations, we conduct a combined Bayesian…

We use dense redshift surveys of nine galaxy clusters at $z\sim0.2$ to compare the galaxy distribution in each system with the projected matter distribution from weak lensing. By combining 2087 new MMT/Hectospec redshifts and the data in…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-23 Ho Seong Hwang , Margaret J. Geller , Antonaldo Diaferio , Kenneth J. Rines , H. Jabran Zahid

We present a measurement of the full shape of the power spectrum of the thermal Sunyaev-Zeldovich (tSZ) effect down to arcminute scales using cosmic microwave background (CMB) data from the South Pole Telescope (SPT) over roughly 100 ${\rm…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-03 S. Raghunathan , P. A. R. Ade , D. Anbajagane , A. J. Anderson , B. Ansarinejad , M. Archipley , J. E. Austermann , L. Balkenhol , D. R. Barron , P. S. Barry , J. A. Beall , K. Benabed , A. N. Bender , B. A. Benson , F. Bianchini , L. E. Bleem , J. Bock , S. Bocquet , F. R. Bouchet , L. Bryant , E. Camphuis , M. G. Campitiello , J. E. Carlstrom , J. Carron , C. L. Chang , P. Chaubal , H. C. Chiang , P. M. Chichura , A. Chokshi , T. -L. Chou , R. Citron , A. Coerver , C. Corbett Moran , T. M. Crawford , A. T. Crites , C. Daley , T. de Haan , K. R. Dibert , M. A. Dobbs , M. Doohan , A. Doussot , D. Dutcher , W. Everett , C. Feng , K. R. Ferguson , N. C. Ferree , K. Fichman , A. Foster , S. Galli , J. Gallicchio , A. E. Gambrel , A. K. Gao , R. W. Gardner , F. Ge , E. M. George , N. Goeckner-Wald , R. Gualtieri , F. Guidi , S. Guns , N. Gupta , N. W. Halverson , E. Hivon , A. Y. Q. Ho , G. P. Holder , W. L. Holzapfel , J. C. Hood , J. D. Hrubes , A. Hryciuk , N. Huang , J. Hubmayr , K. D. Irwin , T. Jhaveri , F. Kéruzoré , A. R. Khalife , L. Knox , M. Korman , K. Kornoelje , C. -L. Kuo , A. T. Lee , K. Levy , Y. Li , D. Li , A. E. Lowitz , A. Lowitz , C. Lu , G. P. Lynch , T. J. Maccarone , A. S. Maniyar , E. S. Martsen , J. J. McMahon , F. Menanteau , M. Millea , J. Montgomery , Y. Nakato , T. Natoli , J. P. Nibarger , G. I. Noble , V. Novosad , Y. Omori , A. Ouellette , S. Padin , Z. Pan , P. Paschos , S. Patil , K. A. Phadke , A. W. Pollak , K. Prabhu , C. Pryke , W. Quan , M. Rahimi , A. Rahlin , C. L. Reichardt , M. Rouble , J. E. Ruhl , B. R. Saliwanchik , K. K. Schaffer , E. Schiappucci , C. Sievers , A. C. Silva Oliveira , A. Simpson , G. Smecher , J. A. Sobrin , A. A. Stark , J. Stephen , C. Tandoi , B. Thorne , C. Trendafilova , C. Tucker , C. Umilta , T. Veach , J. D. Vieira , A. G. Vieregg , M. P. Viero , A. Vitrier , Y. Wan , G. Wang , N. Whitehorn , W. L. K. Wu , V. Yefremenko , M. R. Young , J. A. Zebrowski , M. Zemcov

The aim of this work is to propose a joint exploitation of heterogeneous datasets from high-resolution/few-channel experiments and low-resolution/many-channel experiments by using a multiscale needlet Internal Linear Combination (ILC), in…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Mathieu Remazeilles , Nabila Aghanim , Marian Douspis

The statistical property of the weak lensing fields is studied quantitatively using the ray-tracing simulations. Motivated by the empirical lognormal model that characterizes the probability distribution function(PDF) of the…

Astrophysics · Physics 2009-11-07 A. Taruya , M. Takada , T. Hamana , I. Kayo , T. Futamase

Compton scattering of the cosmic microwave background (CMB) from hot ionized gas produces a range of effects, and the leading order effects are the kinetic and thermal Sunyaev Zel'dovich (kSZ and tSZ) effects. In the near future, CMB…

Cosmology and Nongalactic Astrophysics · Physics 2020-09-16 William R. Coulton , Atsuhisa Ota , Alexander van Engelen

We present measurements of the weak gravitational lensing shear power spectrum based on $450$ sq. deg. of imaging data from the Kilo Degree Survey. We employ a quadratic estimator in two and three redshift bins and extract band powers of…

The advent of high-resolution imaging of galaxy clusters using the Sunyaev-Zel'dovich Effect (SZE) provides a unique probe of the astrophysics of the intracluster medium (ICM) out to high redshifts. To investigate the effects of cluster…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 John J. Ruan , Thomas R. Quinn , Arif Babul

The polarized Sunyaev-Zel'dovich (pSZ) effect is sourced by the Thomson scattering of CMB photons from distant free electrons and yields a novel view of the CMB quadrupole throughout the observable Universe. Galaxy shear measures the shape…

Cosmology and Nongalactic Astrophysics · Physics 2022-10-19 Oliver H. E. Philcox , Matthew C. Johnson

We present the weak lensing analysis of the Wide-Field Imager SZ Cluster of galaxy (WISCy) sample, a set of 12 clusters of galaxies selected for their Sunyaev-Zel'dovich (SZ) effect. After developing new and improved methods for background…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 D. Gruen , S. Seitz , F. Brimioulle , R. Kosyra , J. Koppenhoefer , C. -H. Lee , R. Bender , A. Riffeser , T. Eichner , T. Weidinger , M. Bierschenk

Observations of the kinetic Sunyaev-Zel'dovich (kSZ) effect measure the density-weighted velocity field, a potentially powerful cosmological probe. This paper presents an analytical method to predict the power spectrum and two-point…

Cosmology and Nongalactic Astrophysics · Physics 2016-07-14 Naonori S. Sugiyama , Teppei Okumura , David N. Spergel

We propose counting peaks in weak lensing (WL) maps, as a function of their height, to probe models of dark energy and to constrain cosmological parameters. Because peaks can be identified in two-dimensional WL maps directly, they can…

Cosmology and Nongalactic Astrophysics · Physics 2010-04-06 Jan M. Kratochvil , Zoltán Haiman , Morgan May

We provide a systematic study of the position-dependent correlation function in weak lensing convergence maps and its relation to the squeezed limit of the three-point correlation function (3PCF) using state-of-the-art numerical…

Cosmology and Nongalactic Astrophysics · Physics 2023-02-14 D. Munshi , G. Jung , T. D. Kitching , J. McEwen , M. Liguori , T. Namikawa , A. Heavens

We address the question of whether the angular power spectrum of the thermal Sunyaev-Zel'dovich (SZ) sky is further distorted by weak gravitational lensing of foreground large-scale structures. Using an analytic approach to both gaseous and…

Astrophysics · Physics 2009-11-10 Xiang-Ping Wu

The Canadian Cluster Comparison Project is a comprehensive multi-wavelength survey targeting 50 massive X-ray selected clusters of galaxies to examine baryonic tracers of cluster mass and to probe the cluster-to-cluster variation in the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Henk Hoekstra , Andisheh Mahdavi , Arif Babul , Chris Bildfell

The kinetic Sunyaev-Zel'dovich (kSZ) effect is a secondary cosmic microwave background (CMB) anisotropy induced by the scattering of CMB photons off intervening electrons. Through cross-correlations with tracers of large-scale structure,…

Cosmology and Nongalactic Astrophysics · Physics 2021-04-28 Gabriela Sato-Polito , José Luis Bernal , Kimberly K. Boddy , Marc Kamionkowski

The present work deals with the derivation of corrector estimates for the two-scale homogenization of a thermo-diffusion model with weak thermal coupling posed in a heterogeneous medium endowed with periodically arranged high-contrast…

Analysis of PDEs · Mathematics 2016-10-05 Adrian Muntean , Sina Reichelt

Measurements of the thermal Sunyaev-Zel'dovich (tSZ) effect have long been recognized as a powerful cosmological probe. Here we assess the importance of relativistic temperature corrections to the tSZ signal on the power spectrum analysis…

Cosmology and Nongalactic Astrophysics · Physics 2018-12-19 Mathieu Remazeilles , Boris Bolliet , Aditya Rotti , Jens Chluba