English
Related papers

Related papers: Missing baryons, bulk flows and the E-mode polariz…

200 papers

The kinetic Sunyaev Zel'dovich (kSZ) effect is a blackbody cosmic microwave background (CMB) temperature anisotropy induced by Thomson scattering off free electrons in bulk motion with respect to the CMB rest frame. The statistically…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-11 Richard Bloch , Matthew C. Johnson

We examine the ability of the future Planck mission to provide a catalogue of galaxy clusters observed via their SZ distortion in the cosmic microwave background. For this purpose we produce full-sky SZ maps based on N-body simulations and…

Astrophysics · Physics 2009-11-10 Joern Geisbuesch , Ruediger Kneissl , Michael Hobson

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

Upcoming observatories will be able to detect the kinetic Sunyaev-Zel'dovitch (kSZ) effect with unprecendented signal-to-noise, and cross-correlations with foreground signals such as galaxy counts are a promising way to extract additional…

Astrophysics · Physics 2007-05-23 Simon DeDeo , David N. Spergel , Hy Trac

We consider the polarized Sunyaev-Zel'dovich (pSZ) effect for a tomographic probe of cosmic birefringence, including all relevant terms of the pSZ effect in the cosmic microwave background (CMB) observables, some of which were ignored in…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-30 Toshiya Namikawa , Ippei Obata

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…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-05 Ryuichi Takahashi , Kunihito Ioka , Masato Shirasaki , Ken Osato

The PLANCK mission is the most sensitive all-sky CMB experiment currently planned. The High Frequency Instrument (HFI) will be especially suited for observing clusters of galaxies by their thermal Sunyaev-Zel'dovich (SZ) effect. In order to…

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

We present a first joint analysis of the power spectra of the thermal Sunyaev-Zeldovich (tSZ) effect measured by the Planck and the number density fluctuations of galaxies in the 2MASS redshift survey (2MRS) catalog, including their…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-11 Ryu Makiya , Shin'ichiro Ando , Eiichiro Komatsu

Yes. Future CMB experiments such as Advanced ACTPol and CMB-S4 should achieve measurements with S/N of $> 0.1$ for the typical galaxies in redshift surveys. These measurements will provide complementary measurements of the growth rate of…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-14 Naonori S. Sugiyama , Teppei Okumura , David N. Spergel

Observations of galaxies and galaxy clusters in the local universe can account for only $\sim\,10\%$ of the total baryon content. Cosmological simulations predict that the `missing baryons' are spread throughout filamentary structures in…

Cosmology and Nongalactic Astrophysics · Physics 2019-04-10 Anna de Graaff , Yan-Chuan Cai , Catherine Heymans , John A. Peacock

We calculate the constraints on dark energy and cosmic modifications to gravity achievable with upcoming cosmic microwave background (CMB) surveys sensitive to the Sunyaev-Zeldovich (SZ) effects. The analysis focuses on using the mean…

Cosmology and Nongalactic Astrophysics · Physics 2015-08-06 Eva-Maria Mueller , Francesco de Bernardis , Rachel Bean , Michael Niemack

We stack maps of the thermal Sunyaev-Zel'dovich effect produced by the Planck Collaboration around the centers of cosmic voids defined by the distribution of galaxies in the CMASS sample of the Baryon Oscillation Spectroscopic Survey,…

Cosmology and Nongalactic Astrophysics · Physics 2018-03-21 David Alonso , J. Colin Hill , Renée Hložek , David N. Spergel

The Sunyaev-Zel'dovich (SZ) effect associated with pressure fluctuations of the large scale structure gas distribution will be probed with current and upcoming wide-field small angular scale cosmic microwave background experiments. We study…

Astrophysics · Physics 2008-11-26 Asantha Cooray

We compare the self-similar baryonic mass fraction scaling relations between galaxy clusters from the South Pole Telescope Sunyaev-Zel'dovich (SPT-SZ) survey and the IllustrisTNG state-of-the-art magnetohydrodynamical cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-18 Daniel Miller , Diego Pallero , Patricia B. Tissera , Matías Blaña

We consider the prospects for measuring the pairwise kinetic Sunyaev-Zel'dovich (kSZ) signal from galaxy clusters discovered in large photometric surveys such as the Dark Energy Survey (DES). We project that the DES cluster sample will, in…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Ryan Keisler , Fabian Schmidt

The Sunyaev-Zel'dovich (SZ) effect is a direct probe of thermal energy content of the Universe, induced in the cosmic microwave background (CMB) sky through scattering of CMB photons off hot electrons in the intracluster medium (ICM). We…

Astrophysics · Physics 2008-11-26 Niayesh Afshordi , Yen-Ting Lin , Daisuke Nagai , Alastair J. R. Sanderson

We investigate the impact of a variety of analysis assumptions that influence cluster identification and location on the kSZ pairwise momentum signal and covariance estimation. Photometric and spectroscopic galaxy tracers from SDSS, WISE,…

Cosmology and Nongalactic Astrophysics · Physics 2018-01-03 Victoria Calafut , Rachel Bean , Byeonghee Yu

We perform the first joint analysis of galaxy clustering (GC) and the kinetic Sunyaev-Zel'dovich (kSZ) effect to simultaneously constrain cosmological and astrophysical parameters in this work, utilizing a combination of the Atacama…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-13 Shaohong Li , Yi Zheng

Nearby galaxy clusters can potentially induce sub-microkelvin polarization signals in the cosmic microwave background (CMB) at characteristic scales of a few arcminutes. We explore four such polarization signals induced in a rich nearby…

Cosmology and Nongalactic Astrophysics · Physics 2021-01-04 Mark Mirmelstein , Meir Shimon , Yoel Rephaeli