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Sensitive surveys of the Cosmic Microwave Background will detect thousands of galaxy clusters via the Sunyaev-Zel'dovich (SZ) effect. Two SZ observables, the central or maximum and integrated Comptonization parameters y_max and Y, relate in…

Astrophysics · Physics 2009-11-13 Daniel R. Wik , Craig L. Sarazin , Paul M. Ricker , Scott W. Randall

Using WMAP 3-year data at the locations of close to $\sim 700$ X-ray selected clusters we have detected the amplitude of the thermal Sunyaev-Zeldovich (TSZ) effect at the 15$\sigma$ level, the highest statistical significance reported so…

Astrophysics · Physics 2009-11-13 F. Atrio-Barandela , A. Kashlinsky , D. Kocevski , H. Ebeling

We present observations from the Small Array of the Arcminute Microkelvin Imager (AMI) of eight high X-ray luminosity galaxy cluster systems selected from the Local Cluster Substructure Survey (LoCuSS) sample.We detect the…

This paper presents detailed analysis of large-scale peculiar motions derived from a sample of ~ 700 X-ray clusters and cosmic microwave background (CMB) data obtained with WMAP. We use the kinematic Sunyaev-Zeldovich (KSZ) effect combining…

Astrophysics · Physics 2011-02-11 A. Kashlinsky , F. Atrio-Barandela , D. Kocevski , H. Ebeling

We present a catalog of 689 galaxy cluster candidates detected at significance $\xi>4$ via their thermal Sunyaev-Zel'dovich (SZ) effect signature in 95 and 150 GHz data from the 500-square-degree SPTpol survey. We use optical and infrared…

Cosmology and Nongalactic Astrophysics · Physics 2024-02-13 L. E. Bleem , M. Klein , T. M. C. Abbott , P. A. R. Ade , M. Aguena , O. Alves , A. J. Anderson , F. Andrade-Oliveira , B. Ansarinejad , M. Archipley , M. L. N. Ashby , J. E. Austermann , D. Bacon , J. A. Beall , A. N. Bender , B. A. Benson , F. Bianchini , S. Bocquet , D. Brooks , D. L. Burke , M. Calzadilla , J. E. Carlstrom , A. Carnero Rosell , J. Carretero , C. L. Chang , P. Chaubal , H. C. Chiang , T-L. Chou , R. Citron , C. Corbett Moran , M. Costanzi , T. M. Crawford , A. T. Crites , L. N. da Costa , T. de Haan , J. De Vicente , S. Desai , M. A. Dobbs , P. Doel , W. Everett , I. Ferrero , B. Flaugher , B. Floyd , D. Friedel , J. Frieman , J. Gallicchio , J. Garc'ia-Bellido , M. Gatti , E. M. George , G. Giannini , S. Grandis , D. Gruen , R. A. Gruendl , N. Gupta , G. Gutierrez , N. W. Halverson , S. R. Hinton , G. P. Holder , D. L. Hollowood , W. L. Holzapfel , K. Honscheid , J. D. Hrubes , N. Huang , J. Hubmayr , K. D. Irwin , J. Mena-Fernández , D. J. James , F. Kéruzoré , L. Knox , K. Kuehn , O. Lahav , A. T. Lee , S. Lee , D. Li , A. Lowitz , J. L. Marshal , M. McDonald , J. J. McMahon , F. Menanteau , S. S. Meyer , R. Miquel , J. J. Mohr , J. Montgomery , J. Myles , T. Natoli , J. P. Nibarger , G. I. Noble , V. Novosad , R. L. C. Ogando , S. Padin , S. Patil , M. E. S. Pereira , A. Pieres , A. A. Plazas Malag'on , C. Pryke , C. L. Reichardt , M. Rodr'iguez-Monroy , A. K. Romer , J. E. Ruhl , B. R. Saliwanchik , L. Salvati , E. Sanchez , A. Saro , K. K. Schaffer , T. Schrabback , I. Sevilla-Noarbe , C. Sievers , G. Smecher , M. Smith , T. Somboonpanyakul , B. Stalder , A. A. Stark , E. Suchyta , M. E. C. Swanson , G. Tarle , C. To , C. Tucker , T. Veach , J. D. Vieira , M. Vincenzi , G. Wang , J. Weller , N. Whitehorn , P. Wiseman , W. L. K. Wu , V. Yefremenko , J. A. Zebrowski , Y. Zhang

The Sunyaev-Zel'dovich (SZ) effect is a powerful probe of the evolution of structures in the universe, and is thus highly sensitive to cosmological parameters $\sigma_8$ and $\Omega_m$, though its power is hampered by the current…

Cosmology and Nongalactic Astrophysics · Physics 2017-08-16 G. Hurier , F. Lacasa

We present the analytical formulas, derived based on the halo model, to compute the cross-correlation between the thermal Sunyaev-Zel'dovich (SZ) effect and the distribution of galaxy clusters. By binning the clusters according to their…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-30 Wenjuan Fang , Kenji Kadota , Masahiro Takada

We discuss the possibility to constrain the relation between redshift and temperature of the cosmic microwave background (CMB) using multifrequency Sunyaev-Zeldovich (SZ) observations. We have simulated a catalog of clusters of galaxies…

Astrophysics · Physics 2009-11-11 Cathy Horellou , Martin Nord , Daniel Johansson , Anna Levy

We explore the significance of noise from thermal Sunyaev-Zel{'}dovich (tSZ) signals for cluster detection using cosmic microwave background (CMB) surveys. The noise arises both from neighboring objects and also from haloes below the…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-30 Srinivasan Raghunathan

The Sunyaev-Zeldovich (SZ) effect gives a measure of the thermal energy and electron pressure in groups and clusters of galaxies. In the near future SZ surveys will map hundreds of systems, shedding light on the pressure distribution in the…

Astrophysics · Physics 2007-12-18 Troels Haugboelle , Jesper Sommer-Larsen , Kristian Pedersen

The South Pole Telescope (SPT) is conducting a Sunyaev-Zel'dovich (SZ) effect survey over large areas of the southern sky, searching for massive galaxy clusters to high redshift. In this preliminary study, we focus on a 40 square-degree…

Galaxy clusters induce a distinct dipole pattern in the cosmic microwave background (CMB) through the effect of gravitational lensing. Extracting this lensing signal will enable us to constrain cluster masses, even for high redshift…

Cosmology and Nongalactic Astrophysics · Physics 2023-08-14 Kevin Levy , Srinivasan Raghunathan , Kaustuv Basu

The hot electrons in the intra-cluster medium produce a spectral distorsion of the cosmic microwave background (CMB) black body emission, the thermal Sunyaev-Zel'dovich effect (tSZ). This characteristic spectral distorsion is now commonly…

Cosmology and Nongalactic Astrophysics · Physics 2017-08-23 G. Hurier , C. Tchernin

N-body + hydrodynamic simulations of galaxy clusters are used to demonstrate a correlation between galaxy cluster mass and the strength of the Sunyaev-Zel'dovich (SZ) effect induced by the cluster. The intrinsic scatter in the correlaton is…

Astrophysics · Physics 2007-05-23 Christopher A. Metzler

Stacking cosmic microwave background (CMB) maps around known galaxy clusters and groups provides a powerful probe of the distribution of hot gas in these systems via the Sunyaev-Zel'dovich (SZ) effect. A stacking analysis allows one to…

Cosmology and Nongalactic Astrophysics · Physics 2017-01-18 Vinu Vikram , Adam Lidz , Bhuvnesh Jain

In this work we calculate the Sunyaev-Zel'dovich (SZ) effect due to the $e^+e^-$ from dark matter (DM) annihilation in galaxy clusters. Two candidates of DM particle, (1) the weakly-interacting massive particle (WIMP) and (2) the light dark…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-18 Qiang Yuan , Xiaojun Bi , Feng Huang , Xuelei Chen

We have cross-correlated the WMAP data with several surveys of extragalactic sources and find evidence for temperature decrements associated with galaxy clusters and groups detected in the APM Galaxy Survey survey and the ACO catalogue. We…

Astrophysics · Physics 2009-11-07 A. D. Myers , T. Shanks , P. J. Outram , W. J. Frith , A. W. Wolfendale

In recent years, significant progress has been made in building new galaxy clusters samples, at low and high redshifts, from wide-area surveys, particularly exploiting the Sunyaev--Zel'dovich (SZ) effect. A large effort is underway to…

Sunyaev-Zeldovich (SZ) surveys find massive clusters of galaxies by measuring the inverse Compton scattering of cosmic microwave background off of intra-cluster gas. The cluster selection function from such surveys is expected to be nearly…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-23 Henry W. Lin , Michael McDonald , Bradford Benson , Eric Miller

[Abridged] We study the thermal and kinetic Sunyaev-Zel'dovich (SZ) effect associated with superclusters of galaxies using the MareNostrum Universe SPH simulation. We consider superclusters similar to the Corona Borealis Supercluster…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 I. Flores-Cacho , J. A. Rubiño-Martín , G. Luzzi , R. Rebolo , M. De Petris , G. Yepes , L. Lamagna , S. De Gregori , E. S. Battistelli , R. Coratella , S. Gottlöber