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We construct the mean thermal Sunyaev-Zel'dovich (tSZ) Comptonization y profile around Luminous Red Galaxies (LRGs) in the redshift range 0.16 < z < 0.47 from the Sloan Digital Sky Survey (SDSS) Data Release 7 (DR7) using the Planck y map.…

We propose an improved methodology to constrain spatial variations of the fine structure constant using clusters of galaxies. We use the {\it Planck} 2013 data to measure the thermal Sunyaev-Zeldovich effect at the location of 618 X-ray…

Cosmology and Nongalactic Astrophysics · Physics 2016-11-02 I. de Martino , C. J. A. P. Martins , H. Ebeling , D. Kocevski

We use the high quality pressure profiles of 239 galaxy clusters made available by the ACCEPT project (Cavagnolo et al. 2009) in order to derive the expected Sunyaev Zeldovich (SZ) signal in a variety of cases that hardly find a counterpart…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 A. Pipino , E. Pierpaoli

Weak gravitational lensing and the Sunyaev-Zel'dovich effect provide complementary information on the composition of clusters of galaxies. Preliminary results from cluster SZ observations with the Very Small Array are presented. A Bayesian…

Astrophysics · Physics 2007-05-23 P. J. Marshall , K. Lancaster , M. P. Hobson , K. J. B. Grainge

Interferometric observations of the Sunyaev-Zel'dovich Effect (SZE) toward clusters of galaxies provide sensitive cosmological probes. We present results from 1 cm observations (at BIMA and OVRO) of a large, intermediate redshift cluster…

The thermal Sunyaev-Zel'dovich (tSZ) effect is the inverse-Compton scattering of cosmic microwave background (CMB) photons off hot, ionized electrons, primarily located in galaxy groups and clusters. Recent years have seen immense…

Cosmology and Nongalactic Astrophysics · Physics 2015-10-22 J. Colin Hill

We present the scaling relation between Sunyaev-Zeldovich (SZ) signal and stellar mass for almost 260,000 locally brightest galaxies (LBGs) selected from the Sloan Digital Sky Survey (SDSS). These are predominantly the central galaxies of…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Planck Collaboration , P. A. R. Ade , N. Aghanim , M. Arnaud , M. Ashdown , F. Atrio-Barandela , J. Aumont , C. Baccigalupi , A. J. Banday , R. B. Barreiro , R. Barrena , J. G. Bartlett , E. Battaner , K. Benabed , J. -P. Bernard , M. Bersanelli , I. Bikmaev , H. Böhringer , A. Bonaldi , J. R. Bond , J. Borrill , F. R. Bouchet , H. Bourdin , R. Burenin , C. Burigana , R. C. Butler , A. Chamballu , R. -R. Chary , L. -Y Chiang , G. Chon , P. R. Christensen , D. L. Clements , S. Colafrancesco , S. Colombi , L. P. L. Colombo , B. Comis , A. Coulais , B. P. Crill , F. Cuttaia , A. Da Silva , H. Dahle , R. J. Davis , P. de Bernardis , A. de Rosa , G. de Zotti , J. Delabrouille , J. Démoclès , J. M. Diego , H. Dole , S. Donzelli , O. Doré , M. Douspis , X. Dupac , T. A. Enßlin , F. Finelli , I. Flores-Cacho , M. Frailis , E. Franceschi , M. Frommert , S. Galeotta , K. Ganga , R. T. Génova-Santos , M. Giard , Y. Giraud-Héraud , J. González-Nuevo , K. M. Górski , A. Gregorio , A. Gruppuso , F. K. Hansen , D. Harrison , C. Hernández-Monteagudo , D. Herranz , S. R. Hildebrandt , E. Hivon , M. Hobson , W. A. Holmes , A. Hornstrup , W. Hovest , K. M. Huffenberger , G. Hurier , T. R. Jaffe , A. H. Jaffe , W. C. Jones , M. Juvela , E. Keihänen , R. Keskitalo , I. Khamitov , T. S. Kisner , R. Kneissl , J. Knoche , M. Kunz , H. Kurki-Suonio , A. Lähteenmäki , J. -M. Lamarre , A. Lasenby , C. R. Lawrence , M. Le Jeune , R. Leonardi , P. B. Lilje , M. Linden-Vørnle , M. López-Caniego , P. M. Lubin , G. Luzzi , J. F. Macías-Pérez , C. J. MacTavish , B. Maffei , D. Maino , N. Mandolesi , M. Maris , F. Marleau , D. J. Marshall , E. Martínez-González , S. Masi , M. Massardi , S. Matarrese , P. Mazzotta , S. Mei , A. Melchiorri , J. -B. Melin , L. Mendes , A. Mennella , S. Mitra , M. -A. Miville-Deschênes , A. Moneti , L. Montier , G. Morgante , D. Mortlock , D. Munshi , J. A. Murphy , P. Naselsky , F. Nati , P. Natoli , H. U. Nørgaard-Nielsen , F. Noviello , D. Novikov , I. Novikov , S. Osborne , C. A. Oxborrow , F. Pajot , D. Paoletti , L. Perotto , F. Perrotta , F. Piacentini , M. Piat , E. Pierpaoli , R. Piffaretti , S. Plaszczynski , E. Pointecouteau , G. Polenta , L. Popa , T. Poutanen , G. W. Pratt , S. Prunet , J. -L. Puget , J. P. Rachen , R. Rebolo , M. Reinecke , M. Remazeilles , C. Renault , S. Ricciardi , I. Ristorcelli , G. Rocha , M. Roman , C. Rosset , M. Rossetti , J. A. Rubiño-Martín , B. Rusholme , M. Sandri , G. Savini , D. Scott , L. Spencer , J. -L. Starck , V. Stolyarov , R. Sudiwala , R. Sunyaev , D. Sutton , A. -S. Suur-Uski , J. -F. Sygnet , J. A. Tauber , L. Terenzi , L. Toffolatti , M. Tomasi , M. Tristram , L. Valenziano , B. Van Tent , P. Vielva , F. Villa , N. Vittorio , L. A. Wade , B. D. Wandelt , W. Wang , N. Welikala , J. Weller , S. D. M. White , M. White , A. Zacchei , A. Zonca

We compare the Planck Sunyaev-Zeldovich (SZ) cluster sample (PSZ1) to the Sloan Digital Sky Survey (SDSS) redMaPPer catalog, finding that all Planck clusters within the redMaPPer mask and within the redshift range probed by redMaPPer are…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 Eduardo Rozo , Eli S. Rykoff , James G. Bartlett , Jean B. Melin

The Sunyaev-Zel'dovich (SZ) effect from clusters of galaxies should yield a significant signal in cosmic microwave background(CMB) experiments at small angular scales ($\ell \ga 1000$). Experiments with sufficient frequency coverage should…

Astrophysics · Physics 2007-05-23 Gilbert P. Holder , John E. Carlstrom

The Sunyaev-Zeldovich (SZ) effect is a promising tool to study physical properties of the hot X-ray emitting intracluster medium (ICM) in galaxy clusters. To date, most SZ observations have been interpreted in combination with X-ray…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Andrea Morandi , Daisuke Nagai , Wei Cui

Galaxy clusters imprint a distinctive signature on the cosmic microwave background through the thermal Sunyaev-Zel'dovich (SZ) effect, which enables to study the intracluster plasma distribution and makes them powerful cosmological probes.…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-03 S. Cocchi , F. Loi , M. Murgia , P. Marchegiani , V. Vacca , F. Govoni , F. Gandossi , G. Rodighiero

We analyse the maps of the Sunyaev-Zel'dovich (SZ) signal of local galaxy clusters ($z<0.1$) observed by the $Planck$ satellite in order to classify their dynamical state through morphological features. To study the morphology of the…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-18 Valentina Capalbo , Marco De Petris , Antonio Ferragamo , Weiguang Cui , Florian Ruppin , Gustavo Yepes

Using a thermal Sunyaev-Zel'dovich (tSZ) signal, we search for hot gas in superclusters identified using the Sloan Digital Sky Survey Data Release 7 (SDSS/DR7) galaxies. We stack a Comptonization y map produced by the Planck Collaboration…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-15 H. Tanimura , N. Aghanim , M. Douspis , A. Beelen , V. Bonjean

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…

Uncertainty in the mass-observable scaling relations is currently the limiting factor for galaxy cluster based cosmology. Weak gravitational lensing can provide a direct mass calibration and reduce the mass uncertainty. We present new…

In the coming years, Sunyaev-Zel'dovich (SZ) measurements can dramatically improve our understanding of the Intergalactic Medium (IGM) and the role of feedback processes on galaxy formation, allowing us to calibrate important astrophysical…

We propose the use of the kinetic Sunyaev-Zel'dovich (kSZ) effect to probe the circumgalactic medium (CGM), with the aid of a spectroscopic survey covering the same area of a SZ survey. One can design an optimal estimator of the kSZ effect…

Cosmology and Nongalactic Astrophysics · Physics 2016-03-23 Jiawei Shao , Taotao Fang

(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

In the context of a cosmological study of the bulk flows in the Universe, we present a detailed study of the statistical properties of the kinematic Sunyaev-Zel'dovich (kSZ) effect. We first compute analytically the correlation function and…

Astrophysics · Physics 2009-11-13 C. Hernandez-Monteagudo , L. Verde , Raul Jimenez , D. N. Spergel

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…

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