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In the context of cold dark matter (CDM) cosmological models, we have simulated images of the brightness temperature fluctuations in the cosmic microwave background (CMB)sky owing to the Sunyaev Zel$^{\prime}$dovich (S-Z) effect in a…

Astrophysics · Physics 2009-10-31 Subhabrata Majumdar , Ravi Subrahmanyan

Hot, ionized gas leaves an imprint on the cosmic microwave background via the thermal Sunyaev Zel'dovich (tSZ) effect. The cross-correlation of gravitational lensing (which traces the projected mass) with the tSZ effect (which traces the…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-28 S. Pandey , M. Gatti , E. Baxter , J. C. Hill , X. Fang , C. Doux , G. Giannini , M. Raveri , J. DeRose , H. Huang , E. Moser , N. Battaglia , A. Alarcon , A. Amon , M. Becker , A. Campos , C. Chang , R. Chen , A. Choi , K. Eckert , J. Elvin-Poole , S. Everett , A. Ferte , I. Harrison , N. Maccrann , J. Mccullough , J. Myles , A. Navarro Alsina , J. Prat , R. P. Rollins , C. Sanchez , T. Shin , M. Troxel , I. Tutusaus , B. Yin , M. Aguena , S. Allam , F. Andrade-Oliveira , G. M. Bernstein , E. Bertin , B. Bolliet , J. R. Bond , D. Brooks , E. Calabrese , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , R. Cawthon , M. Costanzi , M. Crocce , L. N. da Costa , M. E. S. Pereira , J. De Vicente , S. Desai , H. T. Diehl , J. P. Dietrich , P. Doel , J. Dunkley , S. Everett , A. E. Evrard , S. Ferraro , I. Ferrero , B. Flaugher , P. Fosalba , J. Garcia-Bellido , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , K. Herner , A. D. Hincks , S. R. Hinton , D. L. Hollowood , K. Honscheid , J. P. Hughes , D. Huterer , B. Jain , D. J. James , T. Jeltema , E. Krause , K. Kuehn , O. Lahav , M. Lima , M. Lokken , M. S. Madhavacheril , M. A. G. Maia , J. J. Mcmahon , P. Melchior , F. Menanteau , R. Miquel , J. J. Mohr , K. Moodley , R. Morgan , F. Nati , M. D. Niemack , L. Page , A. Palmese , F. Paz-Chinchon , A. Pieres , A. A. Plazas Malagon , M. Rodriguez-Monroy , A. K. Romer , E. Sanchez , V. Scarpine , E. Schaan , S. Serrano , I. Sevilla-Noarbe , E. Sheldon , B. D. Sherwin , C. Sifon , M. Smith , M. Soares-Santos , D. Spergel , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. To , T. N. Varga , J. Weller , E. J. Wollack , Z. Xu

The Sunyaev-Zeldovich (SZ) effect has long been recognized as a powerful cosmological probe. Using the BAHAMAS and MACSIS simulations to obtain $>10,000$ simulated galaxy groups and clusters, we compute three temperature measures and…

Cosmology and Nongalactic Astrophysics · Physics 2020-03-03 Elizabeth Lee , Jens Chluba , Scott T. Kay , David J. Barnes

If the gas in filaments and halos shares the same velocity field than the luminous matter, it will generate measurable temperature anisotropies due to the Kinematic Sunyaev-Zeldovich effect. We compute the distribution function of the KSZ…

Astrophysics · Physics 2009-11-13 F. Atrio-Barandela , J. P. Muecket , R. Genova-Santos

The Sunyaev-Zel'dovich (SZ) effect can potentially be used to investigate the heating of the circumgalactic medium and subsequent suppression of cold gas accretion onto the host galaxy caused by quasar feedback. We use a deep ALMA…

Astrophysics of Galaxies · Physics 2019-11-06 Simcha Brownson , Roberto Maiolino , Marco Tazzari , Stefano Carniani , Nick Henden

We discuss the nature of the possible high-l excess in the Cosmic Microwave Background (CMB) anisotropy power spectrum observed by the Cosmic Background Imager (CBI). We probe the angular structure of the excess in the CBI deep fields and…

The kinetic Sunyaev-Zeldovich (kSZ) effect will be an important source of cosmological and astrophysical information in upcoming surveys of the cosmic microwave background (CMB). However, the kSZ effect will also act as the dominant source…

Cosmology and Nongalactic Astrophysics · Physics 2023-04-10 Simon Foreman , Selim C. Hotinli , Mathew S. Madhavacheril , Alexander van Engelen , Christina D. Kreisch

High-frequency, high-resolution imaging of the Sunyaev-Zel'dovich (SZ) effect is an important technique to study the complex structures of the atmospheres of merging galaxy clusters. Such observations are sensitive to the details of the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 D. A. Prokhorov , S. Colafrancesco , T. Akahori , E. T. Million , S. Nagataki , K. Yoshikawa

The Sunyaev Zel'dovich (SZ) effect is sensitive to the pressure of ionized gas inside galaxy clusters, which is in turn controlled largely by the gravitational potential of the cluster. Changing the concentration parameter describing the…

Cosmology and Nongalactic Astrophysics · Physics 2023-12-18 Eric J. Baxter , Shivam Pandey , Susmita Adhikari , Weiguang Cui , Tae-hyeon Shin , Qingyang Li , Elena Rasia

The thermal Sunyaev-Zel'dovich (tSZ) effect is produced by the interaction of cosmic microwave background (CMB) photons with the hot (a few keV) and diffuse gas of electrons inside galaxy clusters integrated along the line of sight. This…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-01 G. Hurier

The fluctuations in the Cosmic Microwave Background (CMB) intensity due to the Sunyaev-Zeldovich (SZ) effect are the sum of a thermal and a kinetic contribution. Separating the two components to measure the peculiar velocity of galaxy…

Extensive recent work on the Sunyaev-Zeldovich (S-Z) effect reflects major progress in observational capabilities of interferometric arrays, the improved quality of multi-frequency measurements with upcoming ground-based and stratospheric…

Astrophysics · Physics 2007-05-23 Yoel Rephaeli

We present a comparison of the physical properties of the ionized gas in the circumgalactic (CGM) and intergalactic (IGM) media at $z\sim0$ between observations and four cosmological hydrodynamical simulations: Illustris, TNG300 of the…

Astrophysics of Galaxies · Physics 2021-05-12 S. H. Lim , David Barnes , Mark Vogelsberger , H. J. Mo , Dylan Nelson , Annalisa Pillepich , Klaus Dolag , Federico Marinacci

We use high-resolution hydrodynamic re-simulations to investigate the properties of the thermal Sunyaev-Zel'dovich (SZ) effect from galaxy clusters. We compare results obtained using different physical models for the intracluster medium…

Astrophysics · Physics 2009-06-23 A. Bonaldi , G. Tormen , K. Dolag , L. Moscardini

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

The thermal Sunyaev-Zel'dovich (SZ) effect and soft X-ray emission are routinely observed around massive galaxies and in galaxy groups and clusters. We study these observational diagnostics of galaxy haloes for a suite of cosmological…

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 Sunyaev-Zel'dovich (SZ) effect is a spectral distortion of the cosmic microwave background as observed through the hot plasma in galaxy clusters. This distortion is a decrement in the CMB intensity for lambda > 1.3 mm, an increment at…

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