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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…

天体物理学 · 物理学 2009-11-10 Joern Geisbuesch , Ruediger Kneissl , Michael Hobson

We study the consistency of 150 GHz data from the South Pole Telescope (SPT) and 143 GHz data from the Planck satellite over the patch of sky covered by the SPT-SZ survey. We first visually compare the maps and find that the residuals…

Using the latest physical modeling and constrained by the most recent data, we develop a phenomenological parameterized model of the contributions to intensity and polarization maps at millimeter wavelengths from external galaxies and…

宇宙学与河外天体物理 · 物理学 2015-05-27 Marius Millea , Olivier Doré , Jonathan Dudley , Gilbert Holder , Lloyd Knox , Laurie Shaw , Yong-Seon Song , Oliver Zahn

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…

宇宙学与河外天体物理 · 物理学 2009-07-22 Ricardo Genova-Santos , Fernando Atrio-Barandela , Jan Muecket , Jochen Klar

Understanding the statistical properties of synchrotron emission from our Galaxy is valuable from the perspective of observations targeting signals of cosmological origin, as well as for understanding physical processes in our Galaxy. In…

宇宙学与河外天体物理 · 物理学 2024-01-18 Fazlu Rahman , Pravabati Chingangbam , Tuhin Ghosh

We present a novel estimate of the cosmological microwave background (CMB) map by combining the two latest full-sky microwave surveys: WMAP nine-year and Planck PR1. The joint processing benefits from a recently introduced component…

宇宙学与河外天体物理 · 物理学 2015-06-18 J. Bobin , F. Sureau , J. -L. Starck , A. Rassat , P. Paykari

We present three maps of the millimeter-wave sky created by combining data from the South Pole Telescope (SPT) and the Planck satellite. We use data from the SPT-SZ survey, a survey of 2540 deg$^2$ of the the sky with arcminute resolution…

The Planck collaboration has recently published precise and resolved measurements of the Sunyaev-Zel'dovich effect in Abell 1656 (the Coma cluster of galaxies), so directly gauging the electron pressure profile in the intracluster plasma.…

宇宙学与河外天体物理 · 物理学 2015-06-12 R. Fusco-Femiano , A. Lapi , A. Cavaliere

Cosmic birefringence is an effect where the plane of polarisation of the cosmic microwave background (CMB) is rotated by an angle $\beta$ through coupling to a hypothetical parity-violating field. We analyse the Planck Public Release 4 (PR4…

宇宙学与河外天体物理 · 物理学 2025-02-12 Raelyn Marguerite Sullivan , Arefe Abghari , Patricia Diego-Palazuelos , Lukas Tobias Hergt , Douglas Scott

(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…

天体物理学 · 物理学 2009-12-30 A. Refregier , E. Komatsu , D. N. Spergel , U. -L. Pen

We develop a model for the power spectrum of unresolved clusters of galaxies arising from the thermal Sunyaev-Zeldovich (tSZ) effect. The model is based on a'universal' gas pressure profile constrained by X-ray observations and includes a…

宇宙学与河外天体物理 · 物理学 2015-05-28 George Efstathiou , Marina Migliaccio

The thermal Sunyaev$-$Zel'dovich (SZ) effect offers a unique probe of the hot and diffuse universe that could help close the missing baryon problem. Traditional extractions of the SZ effect, however, exhibit systematic noise that may lead…

天体物理仪器与方法 · 物理学 2025-09-09 Cameron T. Pratt , Zhijie Qu , Joel N. Bregman

In this article, we describe a new estimate of the Cosmic Microwave Background (CMB) intensity map reconstructed by a joint analysis of the full Planck 2015 data (PR2) and WMAP nine-years. It provides more than a mere update of the CMB map…

宇宙学与河外天体物理 · 物理学 2016-06-15 J. Bobin , F. Sureau , J-L Starck

We propose a new method to measure the possible large-scale bulk flows in the Universe from the cosmic microwave background (CMB) maps from the upcoming missions, MAP and Planck. This can be done by studying the statistical properties of…

天体物理学 · 物理学 2009-10-31 A. Kashlinsky , F. Atrio-Barandela

We use the billion-particle Hubble Volume simulations to make statistical predictions for the distribution of galaxy clusters that will be observed by the Planck Surveyor satellite through their effect on the cosmic microwave background --…

天体物理学 · 物理学 2009-11-06 Scott T Kay , Andrew R Liddle , Peter A Thomas

We present the first fully and inherently relativistic derivation of the thermal Sunyaev-Zel'dovich effect. This work uses the formalism historically used to compute radiation spectra emerging from inverse Thomson/Compton sources of x-ray…

高能天体物理现象 · 物理学 2024-11-13 Balša Terzić , Geoffrey A. Krafft , William Clark , Alexandre Deur , Emerson Rogers , Brandon Velasco

Extracting the CMB blackbody temperature power spectrum -- which is dominated by the primary CMB signal and the kinematic Sunyaev-Zel'dovich (kSZ) effect -- from mm-wave sky maps requires cleaning other sky components. In this work, we…

宇宙学与河外天体物理 · 物理学 2023-11-02 Aleksandra Kusiak , Kristen M. Surrao , J. Colin Hill

The Sunyaev-Zeldovich (SZ) effect gives a measure of the thermal energy and electron pressure in groups and clusters of galaxies. In the near future SZ surveys will map hundreds of systems, shedding light on the pressure distribution in the…

天体物理学 · 物理学 2007-12-18 Troels Haugboelle , Jesper Sommer-Larsen , Kristian Pedersen

In these proceedings, we discuss the extraction, in WMAP 5 year data, of a clean CMB map, of foreground emission (dominated by emission of the interstellar medium of our galaxy), and of the tiny signal from Sunyaev Zel'dovich effect in the…

宇宙学与河外天体物理 · 物理学 2010-06-29 Jacques Delabrouille