English
Related papers

Related papers: Magnetic Sunyaev-Zel'dovich effect in galaxy clust…

200 papers

Future Sunyaev-Zel'dovich effect (SZE) surveys will detect thousands of clusters, many of them at high redshift. We show how the SZE number counts as a function of flux can be used as a useful way of constraining the cosmological model. The…

Astrophysics · Physics 2007-05-23 J. M. Diego

The thermal Sunyaev-Zel'dovich (tSZ) effect is a spectral distortion of the cosmic microwave background (CMB) resulting from inverse Compton scattering of CMB photons with electrons in the medium of galaxy clusters. The spectrum of the tSZ…

Cosmology and Nongalactic Astrophysics · Physics 2023-05-18 David Zegeye , Thomas Crawford , Wayne Hu

We explore how radiative cooling, supernova feedback, cosmic rays and a new model of the energetic feedback from active galactic nuclei (AGN) affect the thermal and kinetic Sunyaev-Zel'dovich (SZ) power spectra. To do this, we use a suite…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 N. Battaglia , J. R. Bond , C. Pfrommer , J. L. Sievers , D. Sijacki

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 utility of large Sunyaev Zel'dovich (SZ) surveys for determining cosmological parameters from cluster abundances is limited by the theoretical uncertainties in the integrated SZ-flux-to-mass relation, Y-M. We explore how non-thermal…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 N. Battaglia , J. R. Bond , C. Pfrommer , J. L. Sievers

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

Combined with X-ray imaging and spectral data, observations of the Sunyaev-Zel'dovich effect (SZE) can be used to determine direct distances to galaxy clusters. These distances are independent of the extragalactic distance ladder and do not…

Astrophysics · Physics 2007-05-23 Erik D. Reese

We present the observed relation between the cosmic microwave background (CMB) temperature decrement due to the Sunyaev-Zeldovich (SZ) effect and the X-ray luminosity of galaxy clusters. We discuss this relation in terms of the cluster…

Astrophysics · Physics 2009-10-31 Asantha R. Cooray

We constrain the rotational kinematic Sunyaev-Zel'dovich (rkSZ) effect in Planck data using a sample of rotating galaxy clusters identified in the Sloan Digital Sky Survey (SDSS). We extract cluster-centered cutouts from Planck cosmic…

Cosmology and Nongalactic Astrophysics · Physics 2021-01-05 Eric J. Baxter , Blake D. Sherwin , Srinivasan Raghunathan

The present cosmic accelerating stage is discussed through a new kinematic method based on the Sunyaev- Zel'dovich effect (SZE) and X-ray surface brightness data from galaxy clusters. By using the SZE/X-ray data from 38 galaxy clusters in…

Cosmology and Nongalactic Astrophysics · Physics 2011-03-15 J. A. S. Lima , R. F. L. Holanda , J. V. Cunha

We study the clustering properties of galaxy clusters expected to be observed by various forthcoming surveys both in the X-ray and sub-mm regimes by the thermal Sunyaev-Zel'dovich effect. Several different background cosmological models are…

Astrophysics · Physics 2014-11-18 C. Fedeli , L. Moscardini , M. Bartelmann

We present results on the thermal and kinetic Sunyaev-Zel'dovich (SZ) effects from a sequence of high resolution hydrodynamic simulations of structure formation, including cooling, feedback and metal injection. These simulations represent a…

Astrophysics · Physics 2008-11-26 Martin White , Lars Hernquist , Volker Springel

Two little explored aspects of Compton scattering of the CMB in clusters are discussed: The statistical properties of the Sunyaev-Zeldovich (S-Z) effect in the context of a non-Gaussian density fluctuation field, and the polarization…

Astrophysics · Physics 2011-04-11 Y. Rephaeli , S. Sadeh , M. Shimon

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

The Sunyaev Zel'dovich (SZ) effect from galaxy clusters is one of the most powerful cosmological tools for investigating the large-scale Universe. The big advantage of the SZ effect is its redshift independence, which is not the case for…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 A. Conte , M. De Petris , B. Comis , L. Lamagna , S. De Gregori

I review the present observational status of the SZ effect due to the Compton scattering of the 3K background on the hot electrons of clusters of galaxies. I raise the relevant issues from theoretical and X-ray aspects of the question that…

Astrophysics · Physics 2007-05-23 F. -Xavier Desert

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…

Observations from the first flight of the Medium Scale Anisotropy Measurement (MSAM1-92) are analyzed to search for the Sunyaev-Zel'dovich (SZ) effect towards the Coma cluster. This balloon-borne instrument uses a $28\arcmin$ FWHM beam and…

We determine the distances to 18 galaxy clusters with redshifts ranging from z~0.14 to z~0.78 from a maximum likelihood joint analysis of 30 GHz interferometric Sunyaev-Zel'dovich effect (SZE) and X-ray observations. We model the…

Astrophysics · Physics 2010-04-06 E. D. Reese , J. E. Carlstrom , M. Joy , J. J. Mohr , L. Grego , W. L. Holzapfel

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