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Large-angle fluctuations in the cosmic microwave background temperature induced by the integrated Sachs-Wolfe effect and Compton-y distortions from the thermal Sunyaev-Zeldovich (tSZ) effect are both due to line-of-sight density…

宇宙学与河外天体物理 · 物理学 2016-09-20 Cyril Creque-Sarbinowski , Simeon Bird , Marc Kamionkowski

We present evidence of a large angle correlation between the cosmic microwave background measured by WMAP and a catalog of photometrically detected quasars from the SDSS. The observed cross correlation is (0.30 +- 0.14) microK at zero lag,…

By using the Planck map of the cosmic microwave background (CMB) radiation we have checked and confirmed the existence of a correlation between supernova (SN) redshifts, $z_{\rm SN}$, and CMB temperature fluctuations at the SNe locations,…

宇宙学与河外天体物理 · 物理学 2014-10-23 V. N. Yershov , V. V. Orlov , A. A. Raikov

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…

天体物理学 · 物理学 2007-05-23 Gilbert P. Holder , John E. Carlstrom

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…

天体物理学 · 物理学 2009-10-31 Asantha R. Cooray

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…

Galaxy clusters are the most massive objects in the Universe and comprise a high-temperature intracluster medium of about 10^7 K, believed to offer a main foreground effect for cosmic microwave background (CMB) data in the form of the…

宇宙学与河外天体物理 · 物理学 2017-03-15 Weike Xiao , Chen Chen , Bin Zhang , Yongfeng Wu , Mi Dai

The Sunyaev-Zel'dovich (SZ) effect can potentially be used to investigate the heating of the circumgalactic medium and subsequent suppression of cold gas accretion onto the host galaxy caused by quasar feedback. We use a deep ALMA…

星系天体物理 · 物理学 2019-11-06 Simcha Brownson , Roberto Maiolino , Marco Tazzari , Stefano Carniani , Nick Henden

While both X-ray emission and Sunyaev-Zel'dovich (SZ) temperature fluctuations are generated by the warm-hot gas in dark matter halos, the two observables have different dependence on the underlying physical properties, including the gas…

天体物理学 · 物理学 2009-11-10 Ling-Mei Cheng , Xiang-Ping Wu , Asantha Cooray

We study the prospects for extracting detailed statistical properties of the Sunyaev-Zel'dovich (SZ) effect associated with large scale structure using upcoming multifrequency CMB experiments. The greatest obstacle to detecting the…

天体物理学 · 物理学 2009-10-07 Asantha Cooray , Wayne Hu , Max Tegmark

X-ray emission and the thermal Sunyaev-Zel'dovich distortion to the Cosmic Microwave Background are two important handles on the gas content of the Universe. The cross-correlation between these effects eliminates noise bias and reduces…

宇宙学与河外天体物理 · 物理学 2021-11-18 Victoria Lakey , Kevin Huffenberger

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…

宇宙学与河外天体物理 · 物理学 2015-05-18 A. Pipino , E. Pierpaoli

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…

宇宙学与河外天体物理 · 物理学 2017-02-01 G. Hurier , N. Aghanim , M. Douspis

The Sunyaev-Zeldovich (SZ) effect is a spectral distortion in the Cosmic Microwave Background (CMB), caused due to up-scattering of CMB photons by high energy electron distributions. The largest SZ distortion in the CMB is caused by the hot…

宇宙学与河外天体物理 · 物理学 2015-12-14 Dhruba Dutta Chowdhury

We present the analytical formulas, derived based on the halo model, to compute the cross-correlation between the thermal Sunyaev-Zel'dovich (SZ) effect and the distribution of galaxy clusters. By binning the clusters according to their…

宇宙学与河外天体物理 · 物理学 2013-05-30 Wenjuan Fang , Kenji Kadota , Masahiro Takada

The dispersion measures (${\rm DMs}$) from fast radio bursts (FRBs) and the thermal Sunyaev--Zeldovich (tSZ) effect probe the free-electron density and pressure, respectively, in the intergalactic medium (IGM) and the intervening galaxies…

宇宙学与河外天体物理 · 物理学 2025-11-05 Ryuichi Takahashi , Kunihito Ioka , Masato Shirasaki , Ken Osato

The Sunyaev-Zeldovich (SZ) effect is a promising tool for detecting the presence of hot gas out to the galaxy cluster peripheries. We developed a spectral imaging algorithm dedicated to the SZ observations of nearby galaxy clusters with…

宇宙学与河外天体物理 · 物理学 2016-01-26 H. Bourdin , P. Mazzotta , E. Rasia

We discuss the possibility to constrain the relation between redshift and temperature of the cosmic microwave background (CMB) using multifrequency Sunyaev-Zeldovich (SZ) observations. We have simulated a catalog of clusters of galaxies…

天体物理学 · 物理学 2009-11-11 Cathy Horellou , Martin Nord , Daniel Johansson , Anna Levy

In this paper, we present a joint cross-correlation analysis of the Archeops CMB maps at 143 and 217 GHz and the WMAP CMB maps at 41, 61 and 94 GHz with sky templates of projected galaxy density constructed from the 2MASS Extended Source…

天体物理学 · 物理学 2013-03-26 C. Hernandez-Monteagudo , J. F. Macias-Perez , M. Tristram , F. -X. Desert