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We study the contribution of the kinematic Sunyaev-Zel'dovich (kSZ) effect, generated by the warm-hot intergalactic medium (WHIM), to the cosmic microwave background (CMB) temperature anisotropies in the Five-Year Wilkinson Microwave…

Cosmology and Nongalactic Astrophysics · Physics 2009-07-22 Ricardo Genova-Santos , Fernando Atrio-Barandela , Jan Muecket , Jochen Klar

We discuss non-Gaussian effects associated with the local large-scale structure contributions to the Cosmic Microwave Background (CMB) anisotropies through the thermal Sunyaev-Zel'dovich (SZ) effect. The non-Gaussianities associated with…

Astrophysics · Physics 2009-11-06 Asantha Cooray

Several anomalies have been identified which may imply a breakdown of the statistical isotropy of the cosmic microwave background (CMB). In particular, an anomalous alignment of the quadrupole and octopole and a hemispherical power…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Hiranya V. Peiris , Tristan L. Smith

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

We investigate the possibility of detecting the turbulent state of the IGM with the kinetic Sunyaev-Zel'dovich (kSZ) effect. Being sensitive to the divergence-free component of the momentum field of the IGM, the kSZ effect might be used to…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Weishan Zhu , Long-Long Feng , Li-Zhi Fang

We present the measurement of the kinematic Sunyaev-Zel'dovich (kSZ) effect in Fourier space, rather than in real space. We measure the density-weighted pairwise kSZ power spectrum, the first use of this promising approach, by…

Cosmology and Nongalactic Astrophysics · Physics 2018-02-27 Naonori S. Sugiyama , Teppei Okumura , David N. Spergel

The largest temperature anisotropy in the cosmic microwave background (CMB) is the dipole, which has been measured with increasing accuracy for more than three decades, particularly with the Planck satellite. The simplest interpretation of…

Cosmology and Nongalactic Astrophysics · Physics 2021-01-04 Planck Collaboration , Y. Akrami , M. Ashdown , J. Aumont , C. Baccigalupi , M. Ballardini , A. J. Banday , R. B. Barreiro , N. Bartolo , S. Basak , K. Benabed , J. -P. Bernard , M. Bersanelli , P. Bielewicz , J. R. Bond , J. Borrill , F. R. Bouchet , C. Burigana , E. Calabrese , J. -F. Cardoso , B. Casaponsa , H. C. Chiang , C. Combet , D. Contreras , B. P. Crill , F. Cuttaia , P. de Bernardis , A. de Rosa , G. de Zotti , J. Delabrouille , E. Di Valentino , J. M. Diego , O. Doré , M. Douspis , X. Dupac , T. A. Enßlin , H. K. Eriksen , R. Fernandez-Cobos , F. Finelli , M. Frailis , E. Franceschi , A. Frolov , S. Galeotta , S. Galli , K. Ganga , R. T. Génova-Santos , M. Gerbino , J. González-Nuevo , K. M. Górski , A. Gruppuso , J. E. Gudmundsson , W. Handley , D. Herranz , E. Hivon , Z. Huang , A. H. Jaffe , W. C. Jones , E. Keihänen , R. Keskitalo , K. Kiiveri , J. Kim , T. S. Kisner , N. Krachmalnicoff , M. Kunz , H. Kurki-Suonio , J. -M. Lamarre , M. Lattanzi , C. R. Lawrence , M. Le Jeune , F. Levrier , M. Liguori , P. B. Lilje , V. Lindholm , M. López-Caniego , J. F. Macías-Pérez , D. Maino , N. Mandolesi , A. Marcos-Caballero , M. Maris , P. G. Martin , E. Martínez-González , S. Matarrese , N. Mauri , J. D. McEwen , A. Mennella , M. Migliaccio , D. Molinari , A. Moneti , L. Montier , G. Morgante , A. Moss , P. Natoli , L. Pagano , D. Paoletti , F. Perrotta , V. Pettorino , F. Piacentini , G. Polenta , J. P. Rachen , M. Reinecke , M. Remazeilles , A. Renzi , G. Rocha , C. Rosset , J. A. Rubiño-Martín , B. Ruiz-Granados , L. Salvati , M. Savelainen , D. Scott , C. Sirignano , G. Sirri , L. D. Spencer , R. M. Sullivan , R. Sunyaev , A. -S. Suur-Uski , J. A. Tauber , D. Tavagnacco , M. Tenti , L. Toffolatti , M. Tomasi , T. Trombetti , J. Valiviita , B. Van Tent , P. Vielva , F. Villa , N. Vittorio , I. K. Wehus , A. Zacchei , A. Zonca

(Abridged) The hot gas in the IGM produces anisotropies in the Cosmic Microwave Background (CMB) through the thermal Sunyaev-Zel'dovich (SZ) effect. The SZ effect is a powerful probe of large-scale structure in the universe and must be…

Astrophysics · Physics 2009-12-30 A. Refregier , E. Komatsu , D. N. Spergel , U. -L. Pen

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

The detection and characterization of primordial gravitational waves through their impact on the polarization anisotropies of the cosmic microwave background (CMB) is a primary science goal of current and future observations of the CMB. An…

Cosmology and Nongalactic Astrophysics · Physics 2019-10-30 Anne-Sylvie Deutsch , Emanuela Dimastrogiovanni , Matteo Fasiello , Matthew C. Johnson , Moritz Münchmeyer

The gas density profile around galaxies, shaped by feedback and affecting the galaxy lensing signal, is imprinted on the cosmic microwave background (CMB) by the kinematic Sunyaev-Zel'dovich effect (kSZ). We precisely measure this effect…

The peculiar motions of massive halos probe the distribution of matter in the universe, the gravitational potential, and the history of cosmic structure growth. The kinematic Sunyaev-Zeldovich (kSZ) effect offers a robust observational…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-24 Patricio A. Gallardo , Yulin Gong , Boryana Hadzhiyska , Yun-Hsin Hsu

The small-scale cosmic microwave background (CMB) is dominated by anisotropies from the kinematic Sunyaev-Zeldovich (kSZ) effect, and upcoming experiments will measure it very precisely, but the optical depth degeneracy limits the…

Cosmology and Nongalactic Astrophysics · Physics 2019-12-04 Mathew S. Madhavacheril , Nicholas Battaglia , Kendrick M. Smith , Jonathan L. Sievers

High-resolution, low-noise observations of the cosmic microwave background (CMB) planned for the near-future will enable new cosmological probes based on re-scattered CMB photons -- the secondary CMB. At the same time, enormous galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2019-10-16 Dagoberto Contreras , Matthew C. Johnson , James B. Mertens

Motivated by the observed shortfall of baryons in the local universe, we investigate the ability of high resolution cosmic microwave background (CMB) experiments to detect hot gas in the outer regions of nearby group halos. We construct hot…

Astrophysics · Physics 2010-01-15 K. Moodley , R. Warne , N. Goheer , H. Trac

Baryonic feedback remains one of the largest uncertainties in cosmological hydrodynamical simulations, with different prescriptions producing divergent predictions for the fraction of gas expelled from halos, the radial extent of the gas…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-20 Leah Bigwood , Masaya Yamamoto , Jared Siegel , Alexandra Amon , Ian G. McCarthy , Romeel Dave , Jaime Salcido , Matthieu Schaller , Joop Schaye , Tianyi Yang

The measurement of angular diameter distance to galaxy clusters, through combined Sunyaev-Zel'dovich (SZ) effect data with X-ray emission observations, is now a well-known probe of cosmology. Using a combination of SZ data and a map of the…

Astrophysics · Physics 2009-11-07 Asantha Cooray

We discuss several opportunities involving cosmic microwave background (CMB) observations during the post-MAP era. The curl-modes of CMB polarization allow a direct detection of inflationary gravitational waves and a measurement of the…

Astrophysics · Physics 2007-05-23 Asantha Cooray

We evaluate the possibility of observable effects arising from collisions between vacuum bubbles in a universe undergoing false-vacuum eternal inflation. Contrary to conventional wisdom, we find that under certain assumptions most positions…

High Energy Physics - Theory · Physics 2008-11-26 Anthony Aguirre , Matthew C Johnson , Assaf Shomer

We investigate the possibility of probing dark energy by measuring the isotropy of the galaxy cluster autocorrelation function (an Alcock-Paczynski test). The correlation function is distorted in redshift space because of the cluster…

Astrophysics · Physics 2008-11-26 Young-Rae Kim , Rupert Croft
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