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Related papers: Robustness of Pairwise Kinematic SZ Effect to Opti…

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We detect the kinematic Sunyaev-Zel'dovich (kSZ) effect with a statistical significance of $4.2 \sigma$ by combining a cluster catalogue derived from the first year data of the Dark Energy Survey (DES) with CMB temperature maps from the…

We study the potential of the kinematic SZ effect as a probe for cosmology, focusing on the pairwise method. The main challenge is disentangling the cosmologically interesting mean pairwise velocity from the cluster optical depth and the…

Cosmology and Nongalactic Astrophysics · Physics 2018-07-02 Bjoern Soergel , Alexandro Saro , Tommaso Giannantonio , George Efstathiou , Klaus Dolag

We develop and test a new statistical method to measure the kinematic Sunyaev-Zel'dovich (kSZ) effect. A sample of independently detected clusters is combined with the cosmic flow field predicted from a galaxy redshift survey in order to…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-11 Ming Li , Raul E. Angulo , Simon D. M. White , Jens Jasche

The pairwise kinematic Sunyaev-Zel'dovich (kSZ) signal from galaxy clusters is a probe of their line-of-sight momenta, and thus a potentially valuable source of cosmological information. In addition to the momenta, the amplitude of the…

Cosmology and Nongalactic Astrophysics · Physics 2016-07-04 Samuel Flender , Lindsey Bleem , Hal Finkel , Salman Habib , Katrin Heitmann , Gilbert Holder

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

We report a $5\sigma$ detection of the pairwise kinematic Sunyaev-Zel'dovich (kSZ) effect, combining galaxy clusters in DESI imaging surveys and the Planck temperature maps. The detection is facilitated by both improvements in the data and…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-16 Ziyang Chen , Pengjie Zhang , Xiaohu Yang , Yi Zheng

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

We determine the efficacy of the kinematic Sunyaev-Zel'dovich signal extraction pipeline, using pairwise kSZ measurements, in recovering unbiased estimates of the signal and inference of the associated optical depth. We consider the impact…

Cosmology and Nongalactic Astrophysics · Physics 2024-01-15 Yulin Gong , Rachel Bean , Patricio A. Gallardo , Eve M. Vavagiakis , Nicholas Battaglia , Michael Niemack

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

In the context of a cosmological study of the bulk flows in the Universe, we present a detailed study of the statistical properties of the kinematic Sunyaev-Zel'dovich (kSZ) effect. We first compute analytically the correlation function and…

Astrophysics · Physics 2009-11-13 C. Hernandez-Monteagudo , L. Verde , Raul Jimenez , D. N. Spergel

We present a forecast of the pairwise kinematic Sunyaev-Zel'dovich (kSZ) measurement that will be achievable with the future CMB-S4 experiment. CMB-S4 is the next stage for ground-based cosmic microwave background experiments, with a…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-30 E. Schiappucci , S. Raghunathan , C. To , F. Bianchini , C. L. Reichardt , N. Battaglia , B. Hadzhiyska , S. Kim , J. B. Melin , C. Sifón , E. M. Vavagiakis

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 develop a new theoretical framework for studying the pairwise and cross-pairwise polarised kinetic Sunyaev Zeldovich (pkSZ) effect arising from the transverse peculiar velocity of galaxy clusters. The pkSZ effect is second order in…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-24 Aritra Kumar Gon , Rishi Khatri

We present and study a new cross-pairwise estimator to extract the kinetic Sunyaev Zeldovich (kSZ) signal from galaxy clusters. The existing pairwise kSZ method involves pairing clusters with other clusters and stacking them. In the…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-05 Aritra Kumar Gon , Rishi Khatri

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 report a $\sim5.2\sigma$ detection of the kinetic Sunyaev-Zel'dovich (kSZ) effect in Fourier space, by combining the DESI galaxy groups and the Planck data. We use the density-weighted pairwise kSZ power spectrum as the summary…

Cosmology and Nongalactic Astrophysics · Physics 2024-03-04 Shaohong Li , Yi Zheng , Ziyang Chen , Haojie Xu , Xiaohu Yang

We infer the mean optical depth of a sample of optically-selected galaxy clusters from the Dark Energy Survey (DES) via the pairwise kinematic Sunyaev-Zel'dovich (kSZ) effect. The pairwise kSZ signal between pairs of clusters drawn from the…

Cosmology and Nongalactic Astrophysics · Physics 2023-06-21 E. Schiappucci , F. Bianchini , M. Aguena , M. Archipley , L. Balkenhol , L. E. Bleem , P. Chaubal , T. M. Crawford , S. Grandis , Y. Omori , C. L. Reichardt , E. Rozo , E. S. Rykoff , C. To , T. M. C. Abbott , P. A. R. Ade , O. Alves , A. J. Anderson , F. Andrade-Oliveira , J. Annis , J. S. Avva , D. Bacon , K. Benabed , A. N. Bender , B. A. Benson , G. M. Bernstein , E. Bertin , S. Bocquet , F. R. Bouchet , D. Brooks , D. L. Burke , J. E. Carlstrom , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , T. W. Cecil , C. L. Chang , P. M. Chichura , T. -L. Chou , M. Costanzi , A. Cukierman , L. N. da Costa , C. Daley , T. de Haan , S. Desai , K. R. Dibert , H. T. Diehl , M. A. Dobbs , P. Doel , C. Doux , D. Dutcher , S. Everett , W. Everett , C. Feng , K. R. Ferguson , I. Ferrero , A. Ferté , B. Flaugher , A. Foster , J. Frieman , S. Galli , A. E. Gambrel , J. García-Bellido , R. W. Gardner , M. Gatti , T. Giannantonio , N. Goeckner-Wald , D. Gruen , R. Gualtieri , S. Guns , G. Gutierrez , N. W. Halverson , S. R. Hinton , E. Hivon , G. P. Holder , D. L. Hollowood , W. L. Holzapfel , K. Honscheid , J. C. Hood , N. Huang , D. J. James , L. Knox , M. Korman , K. Kuehn , C. -L. Kuo , O. Lahav , A. T. Lee , C. Lidman , M. Lima , A. E. Lowitz , C. Lu , M. March , J. Mena-Fernández , F. Menanteau , M. Millea , R. Miquel , J. J. Mohr , J. Montgomery , J. Muir , T. Natoli , G. I. Noble , V. Novosad , R. L. C. Ogando , S. Padin , Z. Pan , F. Paz-Chinchón , M. E. S. Pereira , A. Pieres , A. A. Plazas Malagón , K. Prabhu , J. Prat , W. Quan , A. Rahlin , M. Raveri , M. Rodriguez-Monroy , A. K. Romer , M. Rouble , J. E. Ruhl , E. Sanchez , V. Scarpine , M. Schubnell , G. Smecher , M. Smith , M. Soares-Santos , J. A. Sobrin , E. Suchyta , A. Suzuki , G. Tarle , D. Thomas , K. L. Thompson , B. Thorne , C. Tucker , C. Umilta , J. D. Vieira , M. Vincenzi , G. Wang , N. Weaverdyck , J. Weller , N. Whitehorn , W. L. K. Wu , V. Yefremenko , M. R. Young

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
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