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Related papers: The Sunyaev-Zel'dovich Effect On Elliptical Galaxi…

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By cross-correlating templates constructed from the 2 Micron All Sky Survey (2MASS) Extended Source (XSC) catalogue with WMAP's first year data, we search for the thermal Sunyaev-Zel'dovich signature induced by hot gas in the local…

Astrophysics · Physics 2009-11-10 C. Hernandez-Monteagudo , R. Genova-Santos , F. Atrio-Barandela

High-frequency, high-resolution imaging of the Sunyaev-Zel'dovich (SZ) effect is an important technique to study the complex structures of the atmospheres of merging galaxy clusters. Such observations are sensitive to the details of the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 D. A. Prokhorov , S. Colafrancesco , T. Akahori , E. T. Million , S. Nagataki , K. Yoshikawa

We study the effects of galaxy formation on the Sunyaev-Zel'dovich effect (SZE) observable-mass relations using high-resolution cosmological simulations. The simulations of eleven individual clusters spanning a decade in mass are performed…

Astrophysics · Physics 2008-11-26 Daisuke Nagai

The PLANCK-mission is the most sensitive all-sky submillimetric mission currently being planned and prepared. Special emphasis is given to the observation of clusters of galaxies by their thermal Sunyaev-Zel'dovich (SZ) effect. In this…

Astrophysics · Physics 2013-03-07 Bjoern Malte Schaefer , Matthias Bartelmann

Study of the primary anisotropies of the Cosmic Microwave Background (CMB) can be used to determine the cosmological parameters to a very high precision. The power spectrum of the secondary CMB anisotropies due to the thermal…

Astrophysics · Physics 2016-08-30 Subhabrata Majumdar

We derive the SZ effect arising in radio-galaxy lobes that are filled with high-energy, non-thermal electrons. We provide here quantitative estimates for SZ effect expected from the radio galaxy lobes by normalizing it to the…

Astrophysics · Physics 2009-11-13 S. Colafrancesco

We study the chemodynamical evolution of elliptical galaxies and their X-ray and optical properties using high-resolution cosmological simulations. Our Tree N-body/SPH code includes a self-consistent treatment of radiative cooling, star…

Astrophysics · Physics 2009-11-10 Daisuke Kawata , Brad K. Gibson

Measurements of the Sunyaev-Zel'dovich (hereafter SZ) effect distortion of the cosmic microwave background provide methods to derive the gas pressure and temperature of galaxy clusters. Here we study the ability of SZ effect observations to…

High Energy Astrophysical Phenomena · Physics 2015-05-28 D. A. Prokhorov , S. Colafrancesco , T. Akahori , K. Yoshikawa , S. Nagataki , K. -I. Seon

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 interaction of the cosmic microwave background (CMB) with the hot gas in clusters of galaxies, the so-called Sunyaev--Zel'dovich (SZ) effect, is a very useful tool that allows us to determine the physical conditions in such clusters and…

Cosmology and Nongalactic Astrophysics · Physics 2017-05-24 M. Lopez-Corredoira , C. M. Gutierrez , R. T. Genova-Santos

Using large numbers of simulations of the microwave sky, incorporating the Cosmic Microwave Background (CMB) and the Sunyaev-Zel'dovich (SZ) effect due to clusters, we investigate the statistics of the power spectrum at microwave…

Cosmology and Nongalactic Astrophysics · Physics 2010-11-02 Michael W. Peel , Richard A. Battye , Scott T. Kay

Multi-frequency (X-ray, optical and radio) observations of galaxy clusters indicate that the atmospheres of these cosmic structures consist of a complex structure of thermal (hot and warm) and non-thermal (with different origin and spectra)…

Astrophysics · Physics 2008-11-26 S. Colafrancesco

The Sunyaev Zel'dovich (SZ) effect is sensitive to the pressure of ionized gas inside galaxy clusters, which is in turn controlled largely by the gravitational potential of the cluster. Changing the concentration parameter describing the…

Cosmology and Nongalactic Astrophysics · Physics 2023-12-18 Eric J. Baxter , Shivam Pandey , Susmita Adhikari , Weiguang Cui , Tae-hyeon Shin , Qingyang Li , Elena Rasia

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 induces a Compton-$y$ distortion in cosmic microwave background (CMB) temperature maps that is sensitive to a line of sight integral of the ionized gas pressure. By correlating the positions of…

Cosmology and Nongalactic Astrophysics · Physics 2020-02-26 S. Pandey , E. J. Baxter , J. C. Hill

This study shows one important effect of preexistent cosmic microwave background temperature fluctuations on the determination of the Hubble constant through Sunyaev-Zel'dovich effect of clusters of galaxies, especially when coupled with…

Astrophysics · Physics 2009-10-30 Renyue Cen

With the triaxial density profile of dark matter halos and the corresponding equilibrium gas distribution, we derive two-dimensional Sunyaev-Zeldovich (SZ) effect and X-ray surface brightness profiles for clusters of galaxies. It is found…

Astrophysics · Physics 2009-11-10 Y. -G. Wang , Z. -H. Fan

We extend the formalism of the relativistic thermal and kinematical Sunyaev-Zeldovich effects to the observer's system (the Solar System) moving with a velocity $\beta_{S}$ with respect to the cosmic microwave background radiation. We…

Astrophysics · Physics 2009-11-10 Satoshi Nozawa , Naoki Itoh , Yasuharu Kohyama

The Sunyaev-Zel'dovich effect is a powerful tool for cosmology that can be used to measure the radial peculiar velocities of galaxy clusters, and thus to test, and constrain, theories of structure formation and evolution. This requires, in…

Astrophysics · Physics 2009-11-06 N. Aghanim , K. M. Górski , J. -L. Puget