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Related papers: A convolution integral representation of the therm…

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This paper shows that the accepted expressions for the second order corrections in the parameter $z$ to the thermal Sunyaev-Zel'dovich effect can be accurately reproduced by a simple convolution integral approach. This representation allows…

Astrophysics · Physics 2016-08-30 A. Sandoval-Villalbazo , L. S. Garcia-Colin

This paper shows that a simple convolution integral expression based on the mean value of the isotropic frequency distribution corresponding to photon scattering off electrons leads to useful analytical expressions describing the thermal…

Astrophysics · Physics 2009-11-10 A. Sandoval-Villalbazo , L. S. Garcia-Colin

We apply the coherency tensor formalism to the calculation of the spectral distortions imprinted in the intensity and polarization of the cosmic microwave background radiation due to the kinematic and thermal Sunyaev-Zeldovich effects…

Astrophysics · Physics 2007-05-23 Jamie Portsmouth , Edmund Bertschinger

The well known Sunyaev-Zel'dovich (SZ) effect is reexamined using a Doppler shift type mechanism arising from the scattering of photons by electrons in an optically thin gas. The results are in excellent agreement with the observational…

Astrophysics · Physics 2007-05-23 A. Sandoval-Villalbazo , L. S. Garcia-Colin

We present the first fully and inherently relativistic derivation of the thermal Sunyaev-Zel'dovich effect. This work uses the formalism historically used to compute radiation spectra emerging from inverse Thomson/Compton sources of x-ray…

High Energy Astrophysical Phenomena · Physics 2024-11-13 Balša Terzić , Geoffrey A. Krafft , William Clark , Alexandre Deur , Emerson Rogers , Brandon Velasco

The main issue in this paper is to discuss a parity property that appears in the expressions for the distorted spectrum of the thermal Sunyaev-Zel'dovich effect. When using the convolution integrals method involving scattering laws we argue…

Astrophysics · Physics 2011-04-11 A. Sandoval-Villalbazo , L. S. Garcia-Colin

We derive fully nonlinear expressions for temperature fluctuations from the kinetic Sunyaev-Zeldovich (SZ) effect, the scattering of cosmic microwave background photons off hot electrons in bulk motion. Our result reproduces the…

Astrophysics · Physics 2009-11-06 Chung-Pei Ma , J. N. Fry

A recent stacking analysis of Planck HFI data of galaxy clusters (Hurier 2016) allowed to derive the cluster temperatures by using the relativistic corrections to the Sunyaev-Zel'dovich effect (SZE). However, the temperatures of…

Cosmology and Nongalactic Astrophysics · Physics 2017-06-28 P. Marchegiani , S. Colafrancesco

We study the effect of imperfect subtraction of the Sunyaev-Zel'dovich effect (SZE) using a robust and non-parametric method to estimate the SZE residual in the Planck channels. We include relativistic corrections to the SZE, and present a…

Astrophysics · Physics 2009-11-07 J. M. Diego , S. H. Hansen , J. Silk

Various aspects of relativistic calculations of the Sunyaev-Zeldovich effect are explored and clarified. We first formally show that the main previous approaches to the calculation of the relativistically generalized thermal component of…

Astrophysics · Physics 2015-06-24 Meir Shimon , Yoel Rephaeli

We investigated the effect of inverse Compton scattering in mildly relativistic static and moving plasmas with low optical depth using Monte Carlo simulations, and calculated the Sunyaev-Zel'dovich effect in the cosmic background radiation.…

Astrophysics · Physics 2009-10-31 S. M. Molnar , M. Birkinshaw

Analytical expressions are presented for relativistic corrections to the Kompaneets equation and the Sunyaev-Zel'dovich y-distortion. The latter provides a convenient method of inferring both the temperature and Thomson optical depth of the…

Astrophysics · Physics 2007-05-23 Albert Stebbins

In a previous publication we have derived an expression for the full distorted spectrum arising when the photons of the cosmic background radiation are absorbed and emitted by an optically thin gas. The expression simply adds up the effects…

Astrophysics · Physics 2007-05-23 A. Sandoval-Villalbazo , L. S. Garcia-Colin

We study the Sunyaev-Zeldovich effect for clusters of galaxies. The Boltzmann equations for the cosmic microwave background photon distribution function are studied in three Lorentz frames. We extend the previous work and derive analytic…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 Satoshi Nozawa , Yasuharu Kohyama

This brief, general review the Sunyaev-Zeldovich (S-Z) effect includes a description of the calculation of the total intensity change and polarization components, a discussion of the basic properties of the S-Z power spectrum and cluster…

Astrophysics · Physics 2008-11-26 Y. Rephaeli , S. Sadeh , M. Shimon

We develop a model for the power spectrum of unresolved clusters of galaxies arising from the thermal Sunyaev-Zeldovich (tSZ) effect. The model is based on a'universal' gas pressure profile constrained by X-ray observations and includes a…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 George Efstathiou , Marina Migliaccio

The Sunyaev-Zel'dovich effect is a small spectral distortion of the spectrum of the cosmic microwave background (CMB) radiation. This slight distortion is described by the Bose-Einstein (mu-type) distribution with non-zero chemical…

General Physics · Physics 2018-10-17 Anatoliy I Fisenko , Vladimir F Lemberg

[Abridged] Inverse Compton scattering of CMB fluctuations off cosmic electron plasma generates a polarization of the associated Sunyaev-Zel'dovich (SZ) effect. This signal has been studied so far mostly in the non-relativistic regime and…

Cosmology and Nongalactic Astrophysics · Physics 2016-07-27 M. S. Emritte , S. Colafrancesco , P. Marchegiani

The Sunyaev-Zel'dovich (SZ) effect is a powerful tool for studying clusters of galaxies and cosmology. Large mm-wave telescopes are now routinely detecting and mapping the SZ effect in a number of clusters, measure their comptonisation…

Cosmology and Nongalactic Astrophysics · Physics 2012-04-09 Paolo de Bernardis , Sergio Colafrancesco , Giuseppe D' Alessandro , Luca Lamagna , Paolo Marchegiani , Silvia Masi , Alessandro Schillaci

We study the spectral distortions of the cosmic microwave background radiation induced by the Sunyaev-Zel'dovich (SZ) effect in clusters of galaxies when the target electrons have a modified Maxwell-Boltzmann distribution with a high-energy…

Astrophysics · Physics 2009-10-31 P. Blasi , A. V. Olinto , A. Stebbins
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