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Related papers: Relativistic corrections to the Sunyaev-Zel'dovich…

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We study the generalized Kompaneets equation (kinetic equation for the photon distribution function taking into account the Compton scattering by electrons) using a relativistically covariant formalism. Using the generalized Kompaneets…

Astrophysics · Physics 2011-02-11 Naoki Itoh , Yasuharu Kohyama , Satoshi Nozawa

We extend the formalism of the relativistic thermal Sunyaev-Zel'dovich effect to the system moving with a velocity beta (= v/c) with respect to the cosmic microwave background radiation. In the present formalism, the kinematic…

Astrophysics · Physics 2011-02-11 Satoshi Nozawa , Naoki Itoh , Yasuharu Kohyama

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

We extend the formalism for the calculation of the relativistic corrections to the Sunyaev-Zel'dovich effect for clusters of galaxies and include the multiple scattering effects. We present a systematic method for the inclusion of the…

Astrophysics · Physics 2011-02-11 Naoki Itoh , Youhei Kawana , Satoshi Nozawa , Yasuharu Kohyama

We have succeeded in obtaining a precision analytic fitting formula for the exact numerical results of the relativistic corrections to the thermal Sunyaev-Zeldovich effect for clusters of galaxies which has a 1% accuracy for the crossover…

Astrophysics · Physics 2007-05-23 Naoki Itoh , Youhei Kawana , Satoshi Nozawa

We improve the calculation of Nozawa, Itoh, and Kohyama (1998) to provide a formula for relativistic corrections to the thermal and kinematical Sunyaev-Zeldovich effects that is accurate to fourth order in theta_e = kT_e/m_ec^2, T_e and m_e…

Astrophysics · Physics 2009-11-13 Satoshi Nozawa , Naoki Itoh , Yasuhiko Suda , Yoichi Ohhata

We present an accurate analytic fitting formula for the numerical results for the relativistic corrections to the thermal Sunyaev-Zel'dovich effect for clusters of galaxies. The numerical results for the relativistic corrections have been…

Astrophysics · Physics 2011-02-11 Satoshi Nozawa , Naoki Itoh , Youhei Kawana , Yasuharu Kohyama

We present an accurate numerical table for the relativistic corrections to the thermal Sunyaev-Zeldovich effect for clusters of galaxies. The numerical results for the relativistic corrections have been obtained by numerical integration of…

Astrophysics · Physics 2007-05-23 Naoki Itoh , Satoshi Nozawa

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

Measurements of the thermal Sunyaev-Zel'dovich (tSZ) effect have long been recognized as a powerful cosmological probe. Here we assess the importance of relativistic temperature corrections to the tSZ signal on the power spectrum analysis…

Cosmology and Nongalactic Astrophysics · Physics 2018-12-19 Mathieu Remazeilles , Boris Bolliet , Aditya Rotti , Jens Chluba

We extend the formalism for the calculation of the relativistic corrections to the Sunyaev-Zel'dovich effect for clusters of galaxies and include the multiple scattering effects in the isotropic approximation. We present the results of the…

Astrophysics · Physics 2009-11-06 Naoki Itoh , Youhei Kawana , Satoshi Nozawa , Yasuharu Kohyama

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

At temperatures above ~5 keV, the non-relativistic approximation used to derive the classical thermal Sunyaev-Zel'dovich effect spectrum begins to fail. When relativistic effects are included, the spectrum becomes temperature-dependent.…

Cosmology and Nongalactic Astrophysics · Physics 2024-04-10 Yvette Perrott

We extend the formalism of the relativistic thermal and kinematic Sunyaev-Zel'dovich effects and include the polarization of the cosmic microwave background photons. We consider the situation that a cluster of galaxies is moving with a…

Astrophysics · Physics 2015-06-24 Naoki Itoh , Satoshi Nozawa , Yasuharu Kohyama

We present a measurement of the relativistic corrections to the thermal Sunyaev-Zel'dovich (SZ) effect spectrum, the rSZ effect, toward the massive galaxy cluster RX J1347.5-1145 by combining sub-mm images from Herschel-SPIRE with mm-wave…

We present a detailed analysis of the stacked frequency spectrum of a large sample of galaxy clusters using Planck data, together with auxiliary data from the AKARI and IRAS missions. Our primary goal is to search for the imprint of…

Cosmology and Nongalactic Astrophysics · Physics 2019-02-01 Jens Erler , Kaustuv Basu , Jens Chluba , Frank Bertoldi

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

Sunyaev-Zel'dovich Effect (SZE) cluster surveys are anticipated to yield tight constraints on cosmological parameters such as the equation of state of dark energy. In this paper, we study the impact of relativistic corrections of the…

Astrophysics · Physics 2009-11-10 Z. H. Fan , Y. L. Wu

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
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