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We present the final nine-year maps and basic results from the WMAP mission. We provide new nine-year full sky temperature maps that were processed to reduce the asymmetry of the effective beams. Temperature and polarization sky maps are…

We describe an assembly of numerical tools to model the output data of the Planck satellite. These start with the generation of a CMB sky in a chosen cosmology, add in various foreground sources, convolve the sky signal with arbitrary, even…

Astrophysics · Physics 2009-11-11 Martin Reinecke , Klaus Dolag , Reinhard Hell , Matthias Bartelmann , Torsten Ensslin

(Abridged) Despite the great success of precision cosmology, cosmologists cannot fully explain the initial conditions of the Universe. Inflation, an exponential expansion in the first 10^-36s, is a promising potential explanation. A generic…

Instrumentation and Methods for Astrophysics · Physics 2012-09-07 Immanuel Buder

We revisit the alignments of the largest structures observed in the cosmic microwave background (CMB) using the seven and nine-year WMAP and first-year Planck data releases. The observed alignments -- the quadrupole with the octopole and…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Craig J. Copi , Dragan Huterer , Dominik J. Schwarz , Glenn D. Starkman

In recent years the goal of estimating different cosmological parameters precisely has set new challenges in the effort to accurately measure the angular power spectrum of CMB. This has required removal of foreground contamination as well…

Astrophysics · Physics 2008-11-26 Rajib Saha , Simon Prunet , Pankaj Jain , Tarun Souradeep

The Planck High Frequency Instrument (HFI) is designed to measure the temperature and polarization anisotropies of the Cosmic Microwave Background and galactic foregrounds in six wide bands centered at 100, 143, 217, 353, 545 and 857 GHz at…

Instrumentation and Methods for Astrophysics · Physics 2015-05-27 Planck HFI Core Team , P. A. R. Ade , N. Aghanim , R. Ansari , M. Arnaud , M. Ashdown , J. Aumont , A. J. Banday , M. Bartelmann , J. G. Bartlett , E. Battaner , K. Benabed , A. Benot , J. -P. Bernard , M. Bersanelli , R. Bhatia , J. J. Bock , J. R. Bond , J. Borrill , F. R. Bouchet , F. Boulanger , T. Bradshaw , E. Brelle , M. Bucher , P. Camus , J. -F. Cardoso , A. Catalano , A. Challinor , A. Chamballu , J. Charra , M. Charra , R. -R. Chary , C. Chiang , S. Church , D. L. Clements , S. Colombi , F. Couchot , A. Coulais , C. Cressiot , B. P. Crill , M. Crook , P. de Bernardis , J. Delabrouille , J. -M. Delouis , F. -X. Désert , K. Dolag , H. Dole , O. Doré , M. Douspis , G. Efstathiou , P. Eng , C. Filliard , O. Forni , P. Fosalba , J. -J. Fourmond , K. Ganga , M. Giard , D. Girard , Y. Giraud-Héraud , R. Gispert , K. M. Gorski , S. Gratton , M. Griffin , G. Guyot , J. Haissinski , D. Harrison , G. Helou , S. Henrot-Versillé , C. Hernandez-Monteagudo , S. R. Hildebrandt , R. Hills , E. Hivon , M. Hobson , W. A. Holmes , K. M. Huenberger , A. H. Jae , W. C. Jones , J. Kaplan , R. Kneissl , L. Knox , G. Lagache , J. -M. Lamarre , P. Lami , A. E. Lange , A. Lasenby , A. Lavabre , C. R. Lawrence , B. Leriche , C. Leroy , Y. Longval , J. F. Macas-Perez , T. Maciaszek , C. J. MacTavish , B. Maei , N. Mandolesi , R. Mann , B. Mansoux , S. Masi , T. Matsumura , P. McGehee , J. -B. Melin , C. Mercier , M. -A. Miville-Deschnes , A. Moneti , L. Montier , D. Mortlock , A. Murphy , F. Nati , C. B. Nettereld , H. U. Norgaard-Nielsen , C. North , F. Noviello , D. Novikov , S. Osborne , C. Paine , F. Pajot , G. Patanchon , T. Peacocke , T. J. Pearson , O. Perdereau , L. Perotto , F. Piacentini , M. Piat , S. Plaszczynski , E. Pointecouteau , R. Pons , N. Ponthieu , G. Prezeau , S. Prunet , J. -L. Puget , W. T. Reach , C. Renault , I. Ristorcelli , G. Rocha , C. Rosset , G. Roudier , M. Rowan-Robinson , B. Rusholme , D. Santos , G. Savini , B. M. Schaefer , P. Shellard , L. Spencer , J. -L. Starck , P. Stassi , V. Stolyarov , R. Stompor , R. Sudiwala , R. Sunyaev , J. -F. Sygnet , J. A. Tauber , C. Thum , J. -P. Torre , F. Touze , M. Tristram , F. Van Leeuwen , L. Vibert , D. Vibert , L. A. Wade , B. D. Wandelt , S. D. M. White , H. Wiesemeyer , A. Woodcraft , V. Yurchenko , D. Yvon , A. Zacchei

In this study, we revisit the well-known cosmic microwave background (CMB) anomaly referred to as Hemispherical Power Asymmetry (HPA), using CMB temperature maps from the Planck mission public release 4 (PR4) and the WMAP nine-year data…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-21 Sanjeev Sanyal , Pavan Kumar Aluri , Arman Shafieloo

We present $\it{CosmoPower}$, a suite of neural cosmological power spectrum emulators providing orders-of-magnitude acceleration for parameter estimation from two-point statistics analyses of Large-Scale Structure (LSS) and Cosmic Microwave…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-23 A. Spurio Mancini , D. Piras , J. Alsing , B. Joachimi , M. P. Hobson

We analyze the spectrum of cosmic microwave background (CMB) anisotropies in the timescape cosmology: a potentially viable alternative to homogeneous isotropic cosmologies without dark energy. We exploit the fact that the timescape…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-18 M. Ahsan Nazer , David L. Wiltshire

Primordial B-mode detection is one of the main goals of current and future cosmic microwave background (CMB) experiments. However, the weak B-mode signal is overshadowed by several Galactic polarized emissions, such as thermal dust emission…

Cosmology and Nongalactic Astrophysics · Physics 2023-04-18 Ye-Peng Yan , Guo-Jian Wang , Si-Yu Li , Jun-Qing Xia

Accurate cosmological parameter estimates using polarization data of the cosmic microwave background (CMB) put stringent requirements on map calibration, as highlighted in the recent results from the Planck satellite. In this paper, we…

Cosmology and Nongalactic Astrophysics · Physics 2021-07-21 Silvia Galli , W. L. Kimmy Wu , Karim Benabed , François Bouchet , Thomas M. Crawford , Eric Hivon

As wide-field surveys yield increasingly precise data, multiprobe analyses offer significant advantages. In this work, we use our previously developed framework for jointly analyzing cosmic microwave background (CMB) and large-scale…

Cosmology and Nongalactic Astrophysics · Physics 2025-07-01 Alexander Reeves , Andrina Nicola , Alexandre Refregier

The Planck satellite will map the full sky at nine frequencies from 30 to 857 GHz. The CMB intensity and polarization that are its prime targets are contaminated by foreground emission. The goal of this paper is to compare proposed methods…

We describe a sampling method to estimate the polarized CMB signal from observed maps of the sky. We use a Metropolis-within-Gibbs algorithm to estimate the polarized CMB map, containing Q and U Stokes parameters at each pixel, and its…

We present a new independent pipeline for the CMB bispectrum estimation of primordial non-Gaussianity and release a public code for constraining bispectrum shapes of interest based on the Planck 2018 temperature and polarization data. The…

Cosmology and Nongalactic Astrophysics · Physics 2023-10-06 Wuhyun Sohn , James R. Fergusson , E. P. S. Shellard

We investigate the science goals achievable with the upcoming generation of ground-based Cosmic Microwave Background polarization experiments and calculate the optimal sky coverage for such an experiment including the effects of…

We present the temperature and polarization angular power spectra of the cosmic microwave background (CMB) derived from the first 5 years of WMAP data. The 5-year temperature (TT) spectrum is cosmic variance limited up to multipole l=530,…

We present a method for the computation of the variance of cosmic microwave background (CMB) temperature maps on azimuthally symmetric patches using a fast convolution approach. As an example of the application of the method, we show…

Cosmology and Nongalactic Astrophysics · Physics 2018-02-15 P. Bielewicz , B. D. Wandelt , A. J. Banday

The recent release of the first light sky map of the cosmic microwave background (CMB) from the Planck satellite provides an initial opportunity for comparison with the WMAP and COBE sky maps and their reconstruction algorithms. The…

General Physics · Physics 2010-11-15 Keith S. Cover

The PLANCK satellite mission has been launched the 14th of May 2009 and is dedicated to the measurement of the Cosmic Microwave Background (CMB) in temperature and polarization. The presence of diffuse galactic polarized emission…

Cosmology and Nongalactic Astrophysics · Physics 2010-07-20 L. Fauvet , J. F. Macias-Perez , F. X. Desert
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