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(Abridged) The amplitude of the thermal Sunyaev Zel'dovich effect (tSZ) power spectrum is extremely sensitive to the abundance of galaxy clusters and therefore to fundamental cosmological parameters that control their growth, such as…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 Ian G. McCarthy , Amandine M. C. Le Brun , Joop Schaye , Gilbert P. Holder

Thermal Sunyaev-Zel'dovich effect is one of the recent probes of cosmology and large scale structures. We update constraints on cosmological parameters from galaxy clusters observed by the Planck satellite in a first attempt to combine…

Cosmology and Nongalactic Astrophysics · Physics 2018-06-06 Laura Salvati , Marian Douspis , Nabila Aghanim

In this paper, we explain how moments of the thermal Sunyaev-Zel'dovich (tSZ) effect can constrain both cosmological parameters and the astrophysics of the intracluster medium (ICM). As the tSZ signal is strongly non-Gaussian, higher…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-30 J. Colin Hill , Blake D. Sherwin

Recent detections of the cross-correlation of the thermal Sunyaev-Zel'dovich (tSZ) effect and weak gravitational lensing (WL) enable unique studies of cluster astrophysics and cosmology. In this work, we present constraints on the amplitude…

Cosmology and Nongalactic Astrophysics · Physics 2018-01-25 Ken Osato , Samuel Flender , Daisuke Nagai , Masato Shirasaki , Naoki Yoshida

We propose a new analysis of small scale CMB data by introducing the cosmological dependency of the foreground signals, focusing first on the thermal Sunyaev-Zel'dovich (tSZ) power spectrum, derived from the halo model. We analyse the…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-22 Marian Douspis , Laura Salvati , Adélie Gorce , Nabila Aghanim

Thermal Sunyaev-Zeldovich (tSZ) power spectrum is a powerful probe of the present-day amplitude of matter density fluctuations, and has been measured up to $\ell\approx 10^3$ from the {\it Planck} data. The largest systematic uncertainty in…

Cosmology and Nongalactic Astrophysics · Physics 2020-02-14 Ryu Makiya , Chiaki Hikage , Eiichiro Komatsu

The thermal Sunyaev-Zel'dovich effect (tSZ) is a sensitive probe of cosmology, as it traces the abundance of galaxy clusters and groups in the late-time Universe. Upcoming cosmic microwave background experiments such as the Simons…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-24 Alina Sabyr , J. Colin Hill , Zoltan Haiman

The latest Planck results on the power spectrum of the Compton-$y$ parameter are the most accurate probe of the thermal Sunyaev Zeldovich (tSZ) effect caused by resolved and un-resolved clusters of galaxies. On large angular scales, the…

Cosmology and Nongalactic Astrophysics · Physics 2018-06-14 Boris Bolliet

We use an analytic model to investigate the theoretical uncertainty on the thermal Sunyaev-Zel'dovich (SZ) power spectrum due to astrophysical uncertainties in the thermal structure of the intracluster medium. Our model accounts for star…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Laurie D. Shaw , Daisuke Nagai , Suman Bhattacharya , Erwin T. Lau

The angular power spectrum of the thermal Sunyaev-Zel'dovich (tSZ) effect is highly sensitive to cosmological parameters such as sigma_8 and Omega_m, but its use as a precision cosmological probe is hindered by the astrophysical…

Cosmology and Nongalactic Astrophysics · Physics 2015-11-04 M. E. Ramos-Ceja , K. Basu , F. Pacaud , F. Bertoldi

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

The power spectrum of unresolved thermal Sunyaev-Zeldovich (tSZ) clusters is extremely sensitive to the amplitude of the matter fluctuations. This paper present an analysis of the tSZ power spectrum using temperature power spectra of the…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-16 George Efstathiou , Fiona McCarthy

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

We constrain the dark energy equation of state parameter, $w$, using the power spectrum of the thermal Sunyaev-Zeldovich (tSZ) effect. We improve upon previous analyses by taking into account the trispectrum in the covariance matrix and…

Cosmology and Nongalactic Astrophysics · Physics 2018-04-11 Boris Bolliet , Barbara Comis , Eiichiro Komatsu , Juan Francisco Macías-Pérez

Thermal Sunyaev-Zel'dovich (tSZ) effect and X-ray emission from galaxy clusters have been extensively used to constrain cosmological parameters. These constraints are highly sensitive to the relations between cluster masses and observables…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-01 G. Hurier , N. Aghanim , M. Douspis

We carry out a comprehensive analysis of the possible constraints on cosmological and astrophysical parameters achievable with measurements of the thermal Sunyaev-Zel'dovich (tSZ) power spectrum from upcoming full-sky CMB observations, with…

Cosmology and Nongalactic Astrophysics · Physics 2013-10-01 J. Colin Hill , Enrico Pajer

The thermal Sunyaev-Zel'dovich (tSZ) effect is a powerful tool with the potential for constraining directly the properties of the hot gas that dominates dark matter halos because it measures pressure and thus thermal energy density.…

We present the first detection of the cross-correlation angular power spectrum between the thermal Sunyaev-Zel'dovich (tSZ) effect and the X-ray emission over the full sky. The tSZ effect and X-rays are produced by the same hot gas within…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-01 G. Hurier , M. Douspis , N. Aghanim , E. Pointecouteau , J. M. Diego , J. F. Macias-Perez

The thermal Sunyaev-Zel'dovich (tSZ) effect is one of the primary tools for finding and characterizing galaxy clusters. Several ground-based experiments are either underway or are being planned for mapping wide areas of the sky at $\sim…

Cosmology and Nongalactic Astrophysics · Physics 2020-03-24 Nikhel Gupta , Cristiano Porciani , Kaustuv Basu

We conduct a pseudo-$C_\ell$ analysis of the tomographic cross-correlation between 1000 deg$^2$ of weak lensing data from the Kilo-Degree Survey (KiDS-1000) and the thermal Sunyaev-Zeldovich (tSZ) effect measured by Planck and the Atacama…

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