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We use measurements from the South Pole Telescope (SPT) Sunyaev Zel'dovich (SZ) cluster survey in combination with X-ray measurements to constrain cosmological parameters. We present a statistical method that fits for the scaling relations…

We have measured the Sunyaev Zel'dovich (SZ) effect for a sample of ten strong lensing selected galaxy clusters using the Sunyaev Zel'dovich Array (SZA). The SZA is sensitive to structures on spatial scales of a few arcminutes, while the…

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 present an improved method for predicting the Sunyaev-Zeldovich (SZ) effect in galaxy clusters from spatially-resolved, spectroscopic X-ray data. Using the deprojected electron density and temperature profiles measured within a fraction…

Astrophysics · Physics 2009-09-17 R. W. Schmidt , S. W. Allen , A. C. Fabian

The Sunyaev-Zel'dovich effect (SZE) provides a powerful tool for cosmological studies. Through recent advances in instrumentation and observational techniques it is now possible to obtain high quality measurements of the effect toward…

Astrophysics · Physics 2007-05-23 J. E. Carlstrom , M. Joy , L. Grego , G. Holder , W. L. Holzapfel , S. LaRoque , J. J. Mohr , E. D. Reese

We describe the observations and resultant galaxy cluster catalog from the 2770 deg$^2$ SPTpol Extended Cluster Survey (SPT-ECS). Clusters are identified via the Sunyaev-Zel'dovich (SZ) effect, and confirmed with a combination of archival…

Cosmology and Nongalactic Astrophysics · Physics 2020-03-11 L. E. Bleem , S. Bocquet , B. Stalder , M. D. Gladders , P. A. R. Ade , S. W. Allen , A. J. Anderson , J. Annis , M. L. N. Ashby , J. E. Austermann , S. Avila , J. S. Avva , M. Bayliss , J. A. Beall , K. Bechtol , A. N. Bender , B. A. Benson , E. Bertin , F. Bianchini , C. Blake , M. Brodwin , D. Brooks , E. Buckley-Geer , D. L. Burke , J. E. Carlstrom , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , C. L. Chang , H. C. Chiang , 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 , H. T. Diehl , J. P. Dietrich , M. A. Dobbs , T. F. Eifler , W. Everett , B. Flaugher , B. Floyd , J. Frieman , J. Gallicchio , J. García-Bellido , E. M. George , D. W. Gerdes , A. Gilbert , D. Gruen , R. A. Gruendl , J. Gschwend , N. Gupta , G. Gutierrez , N. W. Halverson , N. Harrington , J. W. Henning , C. Heymans , G. P. Holder , D. L. Hollowood , W. L. Holzapfel , K. Honscheid , J. D. Hrubes , N. Huang , J. Hubmayr , K. D. Irwin , D. J. James , T. Jeltema , S. Joudaki , G. Khullar , M. Klein , L. Knox , N. Kuropatkin , A. T. Lee , D. Li , C. Lidman , A. Lowitz , N. MacCrann , G. Mahler , M. A. G. Maia , J. L. Marshall , M. McDonald , J. J. McMahon , P. Melchior , F. Menanteau , S. S. Meyer , R. Miquel , L. M. Mocanu , J. J. Mohr , J. Montgomery , A. Nadolski , T. Natoli , J. P. Nibarger , G. Noble , V. Novosad , S. Padin , A. Palmese , D. Parkinson , S. Patil , F. Paz-Chinchón , A. A. Plazas , C. Pryke , N. S. Ramachandra , C. L. Reichardt , J. D. Remolina González , A. K. Romer , A. Roodman , J. E. Ruhl , E. S. Rykoff , B. R. Saliwanchik , E. Sanchez , A. Saro , J. T. Sayre , K. K. Schaffer , T. Schrabback , S. Serrano , K. Sharon , C. Sievers , G. Smecher , M. Smith , M. Soares-Santos , A. A. Stark , K. T. Story , E. Suchyta , G. Tarle , C. Tucker , K. Vanderlinde , T. Veach , J. D. Vieira , G. Wang , J. Weller , N. Whitehorn , W. L. K. Wu , V. Yefremenko , Y. Zhang

The Planck satellite was launched in 2009 by the European Space Agency to study the properties of the cosmic microwave background (CMB). An expected result of the Planck data analysis is the distinction of the various contaminants of the…

Cosmology and Nongalactic Astrophysics · Physics 2012-11-27 Camila Paiva Novaes , Carlos Alexandre Wuensche

We perform a joint analysis of X-ray and Sunyaev Zel'dovich (SZ) effect data using an analytic model that describes the gas properties of galaxy clusters. The joint analysis allows the measurement of the cluster gas mass fraction profile…

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

We present a new application of deep learning to infer the masses of galaxy clusters directly from images of the microwave sky. Effectively, this is a novel approach to determining the scaling relation between a cluster's Sunyaev-Zel'dovich…

Cosmology and Nongalactic Astrophysics · Physics 2020-07-16 Nikhel Gupta , Christian L. Reichardt

The Sunyaev--Zel'dovich (SZ) effect is a global distortion of the Cosmic Microwave Background (CMB) spectrum as a result of its interaction with a hot electron plasma in the intracluster medium of large structures gravitationally viralized…

Cosmology and Nongalactic Astrophysics · Physics 2018-01-25 Alexander Bonilla , Jairo E. Castillo

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

The possibility of determining the value of the Hubble constant using observations of galaxy clusters in X-ray and microwave wavelengths through the Sunyaev Zel\'dovich (SZ) effect has long been known. Previous measurements have been…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-27 Arpine Kozmanyan , Hervé Bourdin , Pasquale Mazzotta , Elena Rasia , Mauro Sereno

We investigate the contamination of the Sunyaev--Zel'dovich (SZ) effect for six galaxy clusters, A1689, A1995, A2142, A2163, A2261, and A2390, observed by the Y. T. Lee Array for Microwave Background Anisotropy during 2007. With the range…

We perform a detailed study of the bispectrum of the Sunyaev-Zel'dovich effect. Using an analytical model for the pressure profiles of the intracluster medium, we demonstrate the SZ bispectrum to be a sensitive probe of the amplitude of the…

Cosmology and Nongalactic Astrophysics · Physics 2012-11-08 Suman Bhattacharya , Daisuke Nagai , Laurie Shaw , Tom Crawford , Gilbert P. Holder

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…

We report on results of interferometric imaging of the Sunyaev-Zel'dovich Effect (SZE) with the OVRO and BIMA mm-arrays. Using low-noise cm-wave receivers on the arrays, we have obtained high quality images for 27 distant galaxy clusters.…

The measurement of angular diameter distance to galaxy clusters, through combined Sunyaev-Zel'dovich (SZ) effect data with X-ray emission observations, is now a well-known probe of cosmology. Using a combination of SZ data and a map of the…

Astrophysics · Physics 2009-11-07 Asantha Cooray