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We present the optical and X-ray properties of four clusters recently discovered by the South Pole Telescope (SPT) using the Sunyaev-Zel'dovich effect (SZE). The four clusters are located in one of the common survey areas of the southern…

Astrophysics · Physics 2009-11-13 Felipe Menanteau , John P. Hughes

We aim at an unbiased census of the radio halo population in galaxy clusters and test whether current low number counts of radio halos have arisen from selection biases. We construct near-complete samples based on X-ray and…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Martin W. Sommer , Kaustuv Basu

We provide a new scaling relation between $Y_{\text{SZ}}$, the integrated Sunyaev-Zeldovich signal and $M_{500}^{Y_{\text{X}}}$, the cluster mass derived from X-ray observations, using a sample of clusters from the Planck Early…

Cosmology and Nongalactic Astrophysics · Physics 2024-10-16 G. Aymerich , M. Douspis , G. W. Pratt , L. Salvati , E. Soubrié , F. Andrade-Santos , W. Forman , C. Jones , N. Aghanim , R. Kraft , R. J. van Weeren

We develop a new method to estimate the redshift of galaxy clusters through resolved images of the Sunyaev-Zel'dovich effect (SZE). Our method is based on morphological observables which can be measured by actual and future SZE experiments.…

Astrophysics · Physics 2009-11-07 J. M. Diego , J. Mohr , J. Silk , G. Bryan

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

The huge worldwide investment in CMB experiments should make the Sunyaev-Zeldovich (SZ) effect a key probe of the cosmic web in the near future. For the promise to be realized, substantial development of simulation and analysis tools to…

Astrophysics · Physics 2007-05-23 J. Richard Bond , Marcelo I. Ruetalo , James W. Wadsley , Michael D. Gladders

Scaling relations among galaxy cluster observables, which will become available in large future samples of galaxy clusters, could be used to constrain not only cluster structure, but also cosmology. We study the utility of this approach,…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Cien Shang , Zoltan Haiman , Licia Verde

We present an analysis aimed at combining cosmological constraints from number counts of galaxy clusters identified through the Sunyaev-Zeldovich effect, obtained with the South Pole Telescope (SPT), and from Lyman-$\alpha$ spectra obtained…

Cosmology and Nongalactic Astrophysics · Physics 2022-07-20 Matteo Esposito , Vid Iršič , Matteo Costanzi , Stefano Borgani , Alexandro Saro , Matteo Viel

Future microwave sky surveys will have the sensitivity to detect the kinematic Sunyaev-Zeldovich signal from moving galaxy clusters, thus providing a direct measurement of their line-of-sight peculiar velocity. We show that cluster peculiar…

Astrophysics · Physics 2009-11-11 Suman Bhattacharya , Arthur Kosowsky

We present observations from the Small Array of the Arcminute Microkelvin Imager (AMI) of eight high X-ray luminosity galaxy cluster systems selected from the Local Cluster Substructure Survey (LoCuSS) sample.We detect the…

The properties of galaxy clusters as a function of redshift can be utilized as an important cosmological tool. We present initial results from a program of follow-up observations of the Sunyaev-Zeldovich effect (SZE) in high redshift galaxy…

Galaxy cluster surveys compiled via the Sunyaev-Zeldovich Effect have the potential to place strong constraints on cosmology, and in particular the nature of dark energy. Here we consider cluster velocity surveys using kinetic…

Astrophysics · Physics 2009-06-23 Suman Bhattacharya , Arthur Kosowsky

We present a detection of the splashback feature around galaxy clusters selected using their Sunyaev-Zel'dovich (SZ) signal. Recent measurements of the splashback feature around optically selected galaxy clusters have found that the…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-27 T. Shin , S. Adhikari , E. J. Baxter , C. Chang , B. Jain , N. Battaglia , L. Bleem , S. Bocquet , J. DeRose , D. Gruen , M. Hilton , A. Kravtsov , T. McClintock , E. Rozo , E. S. Rykoff , T. N. Varga , R. H. Wechsler , H. Wu , S. Aiola , S. Allam , K. Bechtol , B. A. Benson , E. Bertin , J. R. Bond , M. Brodwin , D. Brooks , E. Buckley-Geer , D. L. Burke , J. E. Carlstrom , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , S. K. Choi , C. E. Cunha , T. M. Crawford , L. N. da Costa , J. De Vicente , S. Desai , M. J. Devlin , J. P. Dietrich , P. Doel , J. Dunkley , T. F. Eifler , A. E. Evrard , B. Flaugher , P. Fosalba , P. A. Gallardo , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , M. Gralla , R. A. Gruendl , J. Gschwend , N. Gupta , G. Gutierrez , W. G. Hartley , J. C. Hill , S. P. Ho , D. L. Hollowood , K. Honscheid , B. Hoyle , K. Huffenberger , J. P. Hughes , D. J. James , T. Jeltema , A. G. Kim , E. Krause , K. Kuehn , O. Lahav , M. Lima , M. S. Madhavacheril , M. A. G. Maia , J. L. Marshall , L. Maurin , J. McMahon , F. Menanteau , C. J. Miller , R. Miquel , J. J. Mohr , S. Naess , F. Nati , L. Newburgh , M. D. Niemack , R. L. C. Ogando , L. A. Page B. Partridge , S. Patil , A. A. Plazas , D. Rapetti , C. L. Reichardt , A. K. Romer , E. Sanchez , V. Scarpine , R. Schindler , S. Serrano , M. Smith , R. C. Smith , M. Soares-Santos , F. Sobreira , S. T. Staggs , A. Stark , G. Stein , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , A. van Engelen , E. J. Wollack , Z. Xu , Z. Zhang

We probe the statistical isotropy hypothesis of the large-scale structure with the second Planck Sunyaev-Zeldovich (PSZ2) galaxy clusters data set. Our analysis adopts a statistical-geometrical method which compares the 2-point angular…

Cosmology and Nongalactic Astrophysics · Physics 2016-12-15 C. A. P. Bengaly , A. Bernui , I. S. Ferreira , J. S. Alcaniz

The X-ray regime, where the most massive visible component of galaxy clusters, the intra cluster medium (ICM), is visible, offers directly measured quantities, like the luminosity, and derived quantities, like the total mass, to…

Cosmology and Nongalactic Astrophysics · Physics 2017-06-28 G. Schellenberger , T. H. Reiprich

High-resolution, low-noise observations of the cosmic microwave background (CMB) planned for the near-future will enable new cosmological probes based on re-scattered CMB photons -- the secondary CMB. At the same time, enormous galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2019-10-16 Dagoberto Contreras , Matthew C. Johnson , James B. Mertens

In cluster cosmology, cluster masses are the main parameter of interest. They are needed to constrain cosmological parameters through the cluster number count. As the mass is not an observable, a scaling relation is needed to link cluster…