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Related papers: Templates for the Sunyaev-Zel'dovich Angular Power…

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Statistical studies of the circumgalactic medium (CGM) using Sunyaev-Zeldovich (SZ) observations offer a promising method of studying the gas properties of galaxies and the astrophysics that govern their evolution. Forward modeling profiles…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-20 Chad Popik , Nicholas Battaglia , Aleksandra Kusiak , Boris Bolliet , J. Colin Hill

Recent detections of the cross-correlation of the thermal Sunyaev-Zel'dovich (tSZ) effect and weak gravitational lensing (WL) enable unique studies of cluster astrophysics and cosmology. In this work, we present constraints on the amplitude…

Cosmology and Nongalactic Astrophysics · Physics 2018-01-25 Ken Osato , Samuel Flender , Daisuke Nagai , Masato Shirasaki , Naoki Yoshida

The fraction of ionized gas in the Warm Hot Intergalactic Medium induces temperature anisotropies on the Cosmic Microwave Background similar to those of clusters of galaxies. The Sunyaev-Zel'dovich anisotropies due to these low density,…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Ricardo Genova-Santos , Isabel Suarez-Velasquez , Fernando Atrio-Barandela , Jan Muecket

We present angular power spectra of the cosmic microwave background radiation anisotropy due to fluctuations of the Sunyaev-Zel'dovich (SZ) effect through clusters of galaxies. A contribution from the correlation among clusters is…

Astrophysics · Physics 2009-10-31 Eiichiro Komatsu , Tetsu Kitayama

The relativistic Sunyaev-Zel'dovich (SZ) effect can be used to measure intracluster gas temperatures independently of X-ray spectroscopy. Here, we use the large-volume FLAMINGO simulation suite to determine whether SZ $y$-weighted…

Cosmology and Nongalactic Astrophysics · Physics 2024-04-15 Scott T. Kay , Joey Braspenning , Jens Chluba , John C. Helly , Roi Kugel , Matthieu Schaller , Joop Schaye

We examine, from first principles, the angular power spectrum between the kinematic Sunyaev-Zel'dovich effect (kSZ) and the reconstructed galaxy momentum - the basis of existing and future "kSZ stacking" analyses. We present a comprehensive…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-18 Amy Wayland , David Alonso , Adrien La Posta

In the present work, we propose a new method aiming at extracting the kinetic Sunyaev-Zel'dovich (KSZ) temperature fluctuations embedded in the primary anisotropies of the cosmic microwave background (CMB). We base our study on simulated…

Astrophysics · Physics 2009-11-10 O. Forni , N. Aghanim

The relativistic Sunyaev-Zel'dovich (SZ) effect offers a method, independent of X-ray, for measuring the temperature of the intracluster medium (ICM) in the hottest systems. Here, using N-body/hydrodynamic simulations of three galaxy…

Astrophysics · Physics 2009-11-13 Scott T. Kay , Leila C. Powell , Andrew R. Liddle , Peter A. Thomas

We present a parameterized model of the intra-cluster medium that is suitable for jointly analysing pointed observations of the Sunyaev-Zel'dovich (SZ) effect and X-ray emission in galaxy clusters. The model is based on assumptions of…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 J. R. Allison , A. C. Taylor , M. E. Jones , S. Rawlings , S. T. Kay

The thermal Sunyaev-Zel'dovich (tSZ) effect is a powerful tool with the potential for constraining directly the properties of the hot gas that dominates dark matter halos because it measures pressure and thus thermal energy density.…

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…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-30 Wenjuan Fang , Kenji Kadota , Masahiro Takada

We present a new method for incorporating nonthermal pressure from bulk motions of gas into an analytic model of the intracluster medium in clusters of galaxies, which is based on a polytropic equation of state and hydrostatic equilibrium…

Cosmology and Nongalactic Astrophysics · Physics 2012-04-10 Paul Bode , Jeremiah P. Ostriker , Renyue Cen , Hy Trac

We use high-resolution hydrodynamic re-simulations to investigate the properties of the thermal Sunyaev-Zel'dovich (SZ) effect from galaxy clusters. We compare results obtained using different physical models for the intracluster medium…

Astrophysics · Physics 2009-06-23 A. Bonaldi , G. Tormen , K. Dolag , L. Moscardini

The Sunyaev-Zeldovich thermal (tSZ) and kinetic (kSZ) effects can be used to constrain the thermodynamic properties of pressure and density, respectively, of galaxies and their surrounding regions. As SZ observations continue to improve, it…

Cosmology and Nongalactic Astrophysics · Physics 2023-07-21 Emily Moser , Nicholas Battaglia , Stefania Amodeo

We report measurements of the Sunyaev-Zel'dovich (SZ) effect in three high-redshift (0.89 < z < 1.03), X-ray selected galaxy clusters. The observations were obtained at 30 GHz during the commissioning period of a new, eight-element…

In the coming years, Sunyaev-Zel'dovich (SZ) measurements can dramatically improve our understanding of the Intergalactic Medium (IGM) and the role of feedback processes on galaxy formation, allowing us to calibrate important astrophysical…

In this paper we probe the hot, post-shock gas component of quasar-driven winds through the thermal Sunyaev-Zel'dovich (tSZ) effect. Combining datasets from the Atacama Cosmology Telescope, the $\textit{Herschel}$ Space Observatory, and the…

We derive constraints on feedback by active galactic nuclei (AGN) by setting limits on their thermal Sunyaev-Zel'dovich (SZ) imprint on the cosmic microwave background (CMB). The amplitude of any SZ signature is small and degenerate with…

Cosmology and Nongalactic Astrophysics · Physics 2017-05-04 Bjoern Soergel , Tommaso Giannantonio , George Efstathiou , Ewald Puchwein , Debora Sijacki

Non-Gaussian (NG) statistics of the thermal Sunyaev-Zeldovich (tSZ) effect carry significant information which is not contained in the power spectrum. Here, we perform a joint Fisher analysis of the tSZ power spectrum and bispectrum to…

Cosmology and Nongalactic Astrophysics · Physics 2021-06-23 Andrea Ravenni , Matteo Rizzato , Slađana Radinović , Michele Liguori , Fabien Lacasa , Elena Sellentin