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Related papers: Cosmology from the kinetic polarized Sunyaev Zel'd…

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We consider the role of the galactic kinetic Sunyaev Zeldovich (SZ) effect as a CMB foreground. While the galactic thermal Sunyaev Zeldovich effect has previously been studied and discarded as a potential CMB foreground, we find that the…

Astrophysics · Physics 2009-11-13 A. Waelkens , M. Maturi , T. Ensslin

Kinetic Sunyaev Zel'dovich velocity reconstruction uses the statistically anisotropic cross-correlation between cosmic microwave background (CMB) temperature anisotropies and a galaxy survey to reconstruct the remotely observed CMB dipole.…

Cosmology and Nongalactic Astrophysics · Physics 2024-08-13 Jordan Krywonos , Selim C. Hotinli , Matthew C. Johnson

Recent CHANDRA observations have revealed the presence of cold fronts in many clusters of galaxies. The cold fronts are believed to be produced by the bulk motions of massive, dense, cold gas clouds with respect to the hotter, more rarefied…

Astrophysics · Physics 2009-11-10 J. M. Diego , P. Mazzotta , J. Silk

We develop an optimization-based maximum likelihood approach to analyze the cross-correlation of the Cosmic Microwave Background (CMB) and large-scale structure induced by the kinetic Sunyaev-Zeldovich (kSZ) effect. Our main goal is to…

Cosmology and Nongalactic Astrophysics · Physics 2024-03-01 Yurii Kvasiuk , Moritz Münchmeyer

Secondary anisotropies of the CMB have the potential to reveal intricate details about the history of our universe between the present and recombination epochs. However, because the CMB we observe is the projected sum of a multitude of…

Astrophysics · Physics 2009-11-10 Olivier Doré , Joseph F. Hennawi , David N. Spergel

The key to understand the nature of dark energy relies in our ability to probe the distant Universe. In this framework, the recent detection of the kinematic Sunyaev-Zel'dovich (kSZ) effect signature in the cosmic microwave background…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-05 M. Roncarelli , M. Baldi , F. Villaescusa-Navarro

We compute the effect of local electrons on the CMB temperature anisotropies. The number density and distribution of free electrons in our Galaxy has been accurately measured from pulsar dispersion measurements. Because of their…

Over the past decade, the kinematic Sunyaev-Zel'dovich (kSZ) effect has emerged as an observational probe of the distribution of baryons and velocity fields in the late Universe. Of the many ways to detect the kSZ, the 'projected-fields kSZ…

Cosmology and Nongalactic Astrophysics · Physics 2024-02-14 Raagini Patki , Nicholas Battaglia , Simone Ferraro

In this paper, I investigate a local effect of polarization of the Cosmic Microwave Background (CMB) in clusters of galaxies, due to the Thomson scattering of the anisotropic radiation. A local anisotropy of the CMB is produced by some…

Astrophysics · Physics 2009-10-30 Marina Gibilisco

[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

We study the prospects for extracting detailed statistical properties of the Sunyaev-Zel'dovich (SZ) effect associated with large scale structure using upcoming multifrequency CMB experiments. The greatest obstacle to detecting the…

Astrophysics · Physics 2009-10-07 Asantha Cooray , Wayne Hu , Max Tegmark

Measurements of secondary cosmic microwave background (CMB) anisotropies, such as the Sunyaev-Zel'dovich (SZ) effect, will enable new tests of neutrino and dark sector properties. The kinetic SZ (kSZ) effect is produced by cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-07 Gerrit S. Farren , Daniel Grin , Andrew H. Jaffe , Renée Hložek , David J. E. Marsh

We investigate the Sunyaev-Zel'dovich (SZ) effect caused by primordial black holes (PBHs) on the cosmic microwave background (CMB) temperature fluctuations. The gas accreting on a PBH heats up by the release of the gravitational energy. As…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-22 Katsuya T. Abe , Hiroyuki Tashiro , Toshiyuki Tanaka

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

The tomography of the polarized Sunyaev-Zeldvich effect due to free electrons of galaxy clusters can be used to constrain the nature of dark energy because CMB quadrupoles at different redshifts as the polarization source are sensitive to…

Cosmology and Nongalactic Astrophysics · Physics 2023-05-24 Hiroto Kondo , Kiyotomo Ichiki , Hiroyuki Tashiro , Kenji Hasegawa

We calculate the expected imprint of the ionized gas in the Milky-Way halo on the Cosmic Microwave Background (CMB) through the kinetic Sunyaev-Zel'dovich (kSZ) effect. Unlike other Galactic foregrounds, the halo kSZ signature covers the…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-18 Yuval Birnboim , Abraham Loeb

The kinetic Sunyaev-Zeldovich (kSZ) effect has now become a clear target for ongoing and future studies of the cosmic microwave background (CMB) and cosmology. Aside from the bulk cluster motion, internal motions also lead to a kSZ signal.…

Cosmology and Nongalactic Astrophysics · Physics 2023-06-28 Edoardo Altamura , Scott T. Kay , Jens Chluba , Imogen Towler

We study the kinematic Sunyaev-Zel'dovich (kSZ) effect in a Lem\^itre-Tolman-Bondi (LTB) universe model whose distance-redshift relation agrees with that of the concordance $\Lambda$CDM model at redshifts $z\lesssim2$. This LTB universe…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Chul-Moon Yoo , Ken-ichi Nakao , Misao Sasaki

Recent results of ground-based telescopes, giving high-quality measurements of the CMB temperature power spectrum on small scales motivate the need for an accurate model of foregrounds, which dominate the primary signal at these multipoles.…

Cosmology and Nongalactic Astrophysics · Physics 2022-07-06 Adélie Gorce , Marian Douspis , Laura Salvati