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Related papers: On the ISW-cluster cross-correlation in future sur…

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We investigate the cross-correlation between the cosmic infrared background (CIB) and cosmic microwave background (CMB) anisotropies due to the integrated Sachs-Wolfe (ISW) effect. We first describe the CIB anisotropies using a linearly…

Cosmology and Nongalactic Astrophysics · Physics 2011-09-06 S. Ilic , M. Douspis , M. Langer , A. Pénin , G. Lagache

We investigate the cross-correlation between the cosmic infrared and microwave backgrounds (CIB & CMB) anisotropies through the integrated Sachs-Wolfe effect. We first describe the CIB anisotropies using a linearly biased power spectrum,…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Stéphane Ilic

We discuss the correlation between late-time integrated Sachs-Wolfe (ISW) effect in the cosmic microwave background (CMB) temperature anisotropies and the large scale structure of the local universe. This correlation has been proposed and…

Astrophysics · Physics 2009-11-07 Asantha Cooray

We cross-correlate large scale structure (LSS) observations from a number of surveys with CMB anisotropies from WMAP to investigate the Integrated Sachs-Wolfe (ISW) effect as a function of redshift, covering z~0.1-2.5. Our main goal is to…

Astrophysics · Physics 2008-11-26 Shirley Ho , Christopher M. Hirata , Nikhil Padmanabhan , Uros Seljak , Neta Bahcall

The Integrated Sachs-Wolfe (ISW) effect is a direct signature of the presence of dark energy in the universe, in the absence of spatial curvature. A powerful method for observing the ISW effect is through cross-correlation of the Cosmic…

Astrophysics · Physics 2009-08-29 Niayesh Afshordi

Integrated Sachs-Wolfe (ISW) effect can be estimated by cross-correlating Cosmic Microwave Background (CMB) sky with tracers of the local matter distribution. At late cosmic time, the dark energy induced decay of gravitation potential…

Cosmology and Nongalactic Astrophysics · Physics 2011-03-21 Guo-Chin Liu , Kin-Wang Ng , Ue-Li Pen

We present results for the cross-correlation between the WMAP 1st-year cosmic microwave background (CMB) anisotropy data and optical galaxy surveys: the APM and SDSS DR1 catalogs. Our measurement of a positive CMB-galaxy correlation on…

Astrophysics · Physics 2007-05-23 Pablo Fosalba , Enrique Gaztanaga , Francisco J. Castander

This work explores the potential to detect the nonlinear Integrated Sachs Wolfe effect, namely the Rees-Sciama effect (ISWRS), by cross-correlating current and future Cosmic Microwave Background (CMB) experiments -- Simons Observatory,…

Cosmology and Nongalactic Astrophysics · Physics 2026-02-18 Viviana Cuozzo , Marina Migliaccio , Matteo Calabrese , Carmelita Carbone

While most of the microwave background fluctuations on angular scales greater than a few arcminutes were generated at z > 800, the low redshift universe does distort the microwave background. Since the Sloan Digital Sky Survey (SDSS) traces…

Astrophysics · Physics 2009-10-31 Hiranya V. Peiris , David N. Spergel

The late-time integrated Sachs-Wolfe (ISW) signal in the CMB temperature anisotropies is an important probe of dark energy when it can be detected by cross-correlation with large-scale structure surveys. Because of their huge sky area,…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-12 Mario Ballardini , Roy Maartens

Evidences for late-time acceleration of the Universe are provided by multiple probes, such as Type Ia supernovae, the cosmic microwave background (CMB) and large-scale structure (LSS). In this work, we focus on the integrated Sachs--Wolfe…

Cosmology and Nongalactic Astrophysics · Physics 2016-07-27 E. Moura Santos , F. C. Carvalho , M. Penna-Lima , C. P. Novaes , C. A. Wuensche

We perform a cross-correlation of the Cosmic Microwave Background (CMB) using the third year Wilkinson Microwave Anisotropy Probe (WMAP) data with the 2 Micron All Sky Survey (2MASS) galaxy map (about 828 000 galaxies with median redshift z…

Astrophysics · Physics 2008-11-26 Anais Rassat , Kate Land , Ofer Lahav , Filipe B. Abdalla

We compute the cross-correlation between the anisotropies of the cosmological gravitational wave background (CGWB) and the galaxy density contrast. We show that the cross-correlation is non-zero due to the {\it late} integrated Sachs-Wolfe…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-22 Rafael Bravo , Walter Riquelme

In a flat universe dominated by dark energy, the Integrated Sachs-Wolfe (ISW) effect can be detected as a large-angle cross-correlation between the CMB and a tracer of large scale structure. We investigate whether the inconclusive ISW…

Cosmology and Nongalactic Astrophysics · Physics 2011-04-07 C. L. Francis , J. A. Peacock

We present a cross-correlation analysis of the WMAP cosmic microwave background (CMB) temperature anisotropies and the SDSS galaxy density fluctuations. We find significant detections of the angular CMB-galaxy correlation for both the flux…

Astrophysics · Physics 2007-05-23 Pablo Fosalba , Enrique Gaztanaga , Francisco Castander

We provide an exhaustive analysis of the Integrated Sach-Wolfe effect (ISW) in the context of coupled Dark Energy cosmologies where a component of massive neutrinos is also present. We focus on the effects of both the coupling between Dark…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 Roberto Mainini , David F. Mota

Galaxies are often used as tracers of the large scale structure (LSS) to measure the Integrated Sachs-Wolfe effect (ISW) by cross-correlating the galaxy survey maps with the Cosmic Microwave Background (CMB) map. We use the Cosmic Infrared…

Cosmology and Nongalactic Astrophysics · Physics 2021-06-03 A. S. Maniyar , G. Lagache , M. Béthermin , S. Ilîc

We present a new method for detection of the integrated Sachs-Wolfe (ISW) imprints of cosmic superstructures on the cosmic microwave background, based on a matched filtering approach. The expected signal-to-noise ratio for this method is…

Cosmology and Nongalactic Astrophysics · Physics 2016-10-28 Seshadri Nadathur , Robert Crittenden

Temperature anisotropies in the Cosmic Microwave Background (CMB) are affected by the late Integrated Sachs-Wolfe (lISW) effect caused by any time-variation of the gravitational potential on linear scales. Dark energy is not the only source…

Astrophysics · Physics 2008-11-26 Julien Lesgourgues , Wessel Valkenburg , Enrique Gaztanaga

We explore the use of the cosmic infrared background as a tracer of the LSS for cross-correlating with the CMB and exploit the ISW. We use the improved linear CIB model of Maniyar et al (2018) and derive the theoretical CIBxISW…

Cosmology and Nongalactic Astrophysics · Physics 2021-06-03 A. S. Maniyar , G. Lagache , M. Béthermin , S. Ilić
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