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We report the first investigation of cool-core properties of galaxy clusters selected via their Sunyaev--Zel'dovich (SZ) effect. We use 13 galaxy clusters uniformly selected from 178 deg^2 observed with the South Pole Telescope (SPT) and…

We study the Sunyaev-Zel'dovich (SZ) distortion of the cosmic microwave background radiation (CMBR) from extensive circumgalactic gas (CGM) in massive galactic halos. Recent observations have shown that galactic halos contain a large amount…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-22 Priyanka Singh , Biman B. Nath , Subhabrata Majumdar , Joseph Silk

Future high-resolution microwave background measurements hold the promise of detecting galaxy clusters throughout our Hubble volume through their Sunyaev-Zel'dovich (SZ) signature, down to a given limiting flux. The number density of galaxy…

Astrophysics · Physics 2007-05-23 Matthew R. Francis , Rachel Bean , Arthur Kosowsky

The cosmic microwave background (CMB) photons that scatter off free electrons in the large-scale structure induce a linear polarization pattern proportional to the remote CMB temperature quadrupole observed in the electrons' rest frame. The…

Cosmology and Nongalactic Astrophysics · Physics 2022-10-12 Selim C. Hotinli , Gilbert P. Holder , Matthew C. Johnson , Marc Kamionkowski

All-sky thermal and kinetic Sunyaev-Zel'dovich (SZ) maps are presented for assessing how well the PLANCK-mission can find and characterise clusters of galaxies, especially in the presence of primary anisotropies of the cosmic microwave…

The Simons Observatory (SO) will make precision temperature and polarization measurements of the cosmic microwave background (CMB) over angular scales between 1 arcminute and tens of degrees using over 60,000 detectors and sampling…

Instrumentation and Methods for Astrophysics · Physics 2018-10-08 Nicholas Galitzki

Recent first detections of the cross-correlation of the thermal Sunyaev-Zel'dovich (tSZ) signal in Planck cosmic microwave background (CMB) temperature maps with gravitational lensing maps inferred from the Planck CMB data and the CFHTLenS…

Cosmology and Nongalactic Astrophysics · Physics 2015-10-28 N. Battaglia , J. C. Hill , N. Murray

Upcoming Sunyaev-Zel'dovich surveys are expected to return ~10^4 intermediate mass clusters at high redshift. Their average masses must be known to same accuracy as desired for the dark energy properties. Internal to the surveys, the CMB…

Astrophysics · Physics 2011-05-12 Wayne Hu , Simon DeDeo , Chris Vale

We consider the polarized Sunyaev-Zel'dovich (pSZ) effect for a tomographic probe of cosmic birefringence, including all relevant terms of the pSZ effect in the cosmic microwave background (CMB) observables, some of which were ignored in…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-30 Toshiya Namikawa , Ippei Obata

The hot gas in clusters of galaxies creates a distinctive spectral distortion in the cosmic microwave background (CMB) via the Sunyaev-Zeldovich (SZ) effect. To first order, the shape of the spectral distortion is fixed, but relativistic…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-13 Adam D. Hincks , Ricardo Génova-Santos , Gemma Luzzi , Elia Stefano Battistelli

The recent emergence of detections of the kinetic Sunyaev-Zel'dovich (kSZ) effect through cross-correlation techniques is encouraging for the prospects of future cosmic microwave background (CMB) experiments. Extracting information on the…

Cosmology and Nongalactic Astrophysics · Physics 2017-01-20 Nicholas Battaglia

In galaxy clusters the thermal Sunyaev-Zel'dovich (SZ) effect from the hot intracluster medium (ICM) provides a direct, self-contained measure of the pressure integrated over crossing lines of sight, that is intrinsically independent of…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-23 A. Cavaliere , A. Lapi

We infer the mean optical depth of a sample of optically-selected galaxy clusters from the Dark Energy Survey (DES) via the pairwise kinematic Sunyaev-Zel'dovich (kSZ) effect. The pairwise kSZ signal between pairs of clusters drawn from the…

Cosmology and Nongalactic Astrophysics · Physics 2023-06-21 E. Schiappucci , F. Bianchini , M. Aguena , M. Archipley , L. Balkenhol , L. E. Bleem , P. Chaubal , T. M. Crawford , S. Grandis , Y. Omori , C. L. Reichardt , E. Rozo , E. S. Rykoff , C. To , T. M. C. Abbott , P. A. R. Ade , O. Alves , A. J. Anderson , F. Andrade-Oliveira , J. Annis , J. S. Avva , D. Bacon , K. Benabed , A. N. Bender , B. A. Benson , G. M. Bernstein , E. Bertin , S. Bocquet , F. R. Bouchet , D. Brooks , D. L. Burke , J. E. Carlstrom , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , T. W. Cecil , C. L. Chang , P. M. Chichura , T. -L. Chou , M. Costanzi , A. Cukierman , L. N. da Costa , C. Daley , T. de Haan , S. Desai , K. R. Dibert , H. T. Diehl , M. A. Dobbs , P. Doel , C. Doux , D. Dutcher , S. Everett , W. Everett , C. Feng , K. R. Ferguson , I. Ferrero , A. Ferté , B. Flaugher , A. Foster , J. Frieman , S. Galli , A. E. Gambrel , J. García-Bellido , R. W. Gardner , M. Gatti , T. Giannantonio , N. Goeckner-Wald , D. Gruen , R. Gualtieri , S. Guns , G. Gutierrez , N. W. Halverson , S. R. Hinton , E. Hivon , G. P. Holder , D. L. Hollowood , W. L. Holzapfel , K. Honscheid , J. C. Hood , N. Huang , D. J. James , L. Knox , M. Korman , K. Kuehn , C. -L. Kuo , O. Lahav , A. T. Lee , C. Lidman , M. Lima , A. E. Lowitz , C. Lu , M. March , J. Mena-Fernández , F. Menanteau , M. Millea , R. Miquel , J. J. Mohr , J. Montgomery , J. Muir , T. Natoli , G. I. Noble , V. Novosad , R. L. C. Ogando , S. Padin , Z. Pan , F. Paz-Chinchón , M. E. S. Pereira , A. Pieres , A. A. Plazas Malagón , K. Prabhu , J. Prat , W. Quan , A. Rahlin , M. Raveri , M. Rodriguez-Monroy , A. K. Romer , M. Rouble , J. E. Ruhl , E. Sanchez , V. Scarpine , M. Schubnell , G. Smecher , M. Smith , M. Soares-Santos , J. A. Sobrin , E. Suchyta , A. Suzuki , G. Tarle , D. Thomas , K. L. Thompson , B. Thorne , C. Tucker , C. Umilta , J. D. Vieira , M. Vincenzi , G. Wang , N. Weaverdyck , J. Weller , N. Whitehorn , W. L. K. Wu , V. Yefremenko , M. R. Young

We report cosmic microwave background (CMB) power spectrum measurements from the first 100 sq. deg. field observed by the South Pole Telescope (SPT) at 150 and 220 GHz. On angular scales where the primary CMB anisotropy is dominant, ell ~<…

The intensity of the cosmic microwave background radiation in the fields of clusters of galaxies is modified by inverse Compton scattering in the hot intracluster gas - the Sunyaev-Zel'dovich (SZ) effect. The effect is expected to be most…

Astrophysics · Physics 2009-10-30 Andrew W. Blain

We calculate the detectability of the polarization of the cosmic microwave background (CMB) as a function of the sky coverage, angular resolution, and instrumental sensitivity for a hypothetical experiment. We consider the gradient…

Astrophysics · Physics 2009-10-31 Andrew H. Jaffe , Marc Kamionkowski , Limin Wang

We present interferometric imaging at 33 GHz of the Corona Borealis supercluster, using the extended configuration of the Very Small Array. A total area of 24 deg^2 has been imaged, with an angular resolution of 11 arcmin and a sensitivity…

The scattering of temperature anisotropy quadrupole by free electrons in galaxy clusters leads to a now well-known polarization signal in the cosmic microwave background (CMB) fluctuations. Using multi-frequency polarization data, one can…

Astrophysics · Physics 2009-11-07 Asantha Cooray , Daniel Baumann

Studying galaxy clusters through their Sunyaev-Zel'dovich (SZ) imprint on the Cosmic Microwave Background has many important advantages. The total SZ signal is an accurate and precise tracer of the total pressure in the intra-cluster medium…

Cosmology and Nongalactic Astrophysics · Physics 2014-12-19 Keith Grainge , Stefano Borgani , Sergio Colafrancesco , Chiara Ferrari , Anna Scaife , Paolo Marchegiani , S. Emritte , J. Weller

The PLANCK-mission is the most sensitive all-sky submillimetric mission currently being planned and prepared. Special emphasis is given to the observation of clusters of galaxies by their thermal Sunyaev-Zel'dovich (SZ) effect. In this…

Astrophysics · Physics 2013-03-07 Bjoern Malte Schaefer , Matthias Bartelmann