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Measurements of the Sunyaev-Zel'dovich (hereafter SZ) effect distortion of the cosmic microwave background provide methods to derive the gas pressure and temperature of galaxy clusters. Here we study the ability of SZ effect observations to…

High Energy Astrophysical Phenomena · Physics 2015-05-28 D. A. Prokhorov , S. Colafrancesco , T. Akahori , K. Yoshikawa , S. Nagataki , K. -I. Seon

(Abriged version) The Sunyaev-Zel'dovich (SZ) effect of galaxy clusters is a tool to measure three quantities: Compton parameter, electron temperature, and cluster peculiar velocity. However, a major problem is non-removed contamination by…

Astrophysics · Physics 2009-11-10 Nabila Aghanim , Steen H. Hansen , Guilaine Lagache

We study the influence of intracluster large scale magnetic fields on the thermal Sunyaev-Zel'dovich (SZ) effect. In a macroscopic approach we complete the hydrostatic equilibrium equation with the magnetic field pressure component.…

Astrophysics · Physics 2009-11-07 P. M. Koch , Ph. Jetzer , D. Puy

We predict the performance of the Planck satellite in determining the bulk flow through kinetic Sunyaev-Zeldovich (kSZ) measurements. As velocity tracers, we use ROSAT All-Sky Survey (RASS) clusters as well as expected cluster catalogs from…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 D. S. Y. Mak , E. Pierpaoli , S. J. Osborne

We discuss a new method of finding the cluster temperatures which is independent of distance and therefore very useful for distant clusters. The hot gas of electrons in clusters of galaxies scatters and distorts the cosmic microwave…

Astrophysics · Physics 2009-11-07 Steen H. Hansen , Sergio Pastor , Dmitry V. Semikoz

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…

Upcoming millimeter experiments that probe the cosmic microwave background (CMB) will observe tens of thousands of galaxy clusters through the thermal Sunyaev-Zeldovich (tSZ) effect. tSZ selected clusters are powerful probes of cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2019-10-02 Dylan Cromer , Nicholas Battaglia , Mathew S. Madhavacheril

We present a novel mathematical formalism that allows to easily compute the expected kinetic Sunyaev Zeldovich (kSZ) signal in intensity and polarization due to an anisotropic primordial Cosmic Microwave Background (CMB). We derive the…

Cosmology and Nongalactic Astrophysics · Physics 2016-07-20 Siavash Yasini , Elena Pierpaoli

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

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 present Sunyaev-Zel'dovich measurements of 15 massive X-ray selected galaxy clusters obtained with the South Pole Telescope. The Sunyaev-Zel'dovich (SZ) cluster signals are measured at 150 GHz, and concurrent 220 GHz data are used to…

In this work we consider the changes of the SZ cluster brightness, flux and number counts induced by the motion of the Solar System with respect to the frame defined by the cosmic microwave background (CMB). These changes are connected with…

Astrophysics · Physics 2009-11-10 J. Chluba , G. Huetsi , R. A. Sunyaev

Measurement of the gas velocity distribution in galaxy clusters provides insight into the physics of mergers, through which large scale structures form in the Universe. Velocity estimates within the intracluster medium (ICM) can be obtained…

WMAP observations at mm wavelengths are sensitive to the Sunyaev-Zel'dovich effect in galaxy clusters. Among all the objects in the sky, the Virgo cluster is expected to provide the largest integrated signal. Based on models compatible with…

Astrophysics · Physics 2009-11-13 J. M. Diego , Y. Ascasibar

We present the results of a 6.1 square degree survey for clusters of galaxies via their Sunyaev- Zel'dovich (SZ) effect at 31 GHz. From late 2005 to mid 2007 the Sunyaev-Zel'dovich Array (SZA) observed four fields of roughly 1.5 square…

We present new measurements of the Sunyaev-Zel'dovich (SZ) effect from clusters of galaxies using the Sunyaev-Zel'dovich Infrared Experiment (SuZIE II). We combine these new measurements with previous cluster observations with the SuZIE…

We present Sunyaev-Zel'dovich (SZ) effect observations of a sample of 25 massive relaxed galaxy clusters observed with the Sunyaev-Zel'dovich Array (SZA), an 8-element interferometer that is part of the Combined Array for Research in…

We discuss the kinetic Sunyaev-Zel'dovich (SZ) contribution to cosmic microwave background (CMB) temperature fluctuations due to coherent rotational velocity component of electrons within halos. This effect produces a distinct dipole-like…

Astrophysics · Physics 2009-11-07 Asantha Cooray , Xuelei Chen

Studies of cluster X-ray scaling relations have led to suggestions that non-gravitational processes, e.g., radiative cooling and/or "preheating", have significantly modified the entropy of the intracluster medium (ICM). For the first time,…

Astrophysics · Physics 2009-11-07 Ian G. McCarthy , Gilbert P. Holder , Arif Babul , Michael L. Balogh

[Abridged] Inverse Compton scattering of CMB fluctuations off cosmic electron plasma generates a polarization of the associated Sunyaev-Zel'dovich (SZ) effect. This signal has been studied so far mostly in the non-relativistic regime and…

Cosmology and Nongalactic Astrophysics · Physics 2016-07-27 M. S. Emritte , S. Colafrancesco , P. Marchegiani
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