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Related papers: The Angular Power Spectrum of the First-Year WMAP …

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We revisit the problem of exact CMB likelihood and power spectrum estimation with the goal of minimizing computational cost through linear compression. This idea was originally proposed for CMB purposes by Tegmark et al.\ (1997), and here…

Instrumentation and Methods for Astrophysics · Physics 2015-11-18 E. Gjerløw , L. P. L. Colombo , H. K. Eriksen , K. M. Górski , A. Gruppuso , J. B. Jewell , S. Plaszczynski , I. K. Wehus

We compute the cross-correlation between the Warm-Hot Intergalactic Medium and maps of Cosmic Microwave Background temperature anisotropies using a log-normal probability density function to describe the weakly non-linear matter density…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 I. Suarez-Velásquez , F. -S. Kitaura , F. Atrio-Barandela , J. P. Muecket

We revisit the degeneracy between the Hubble constant, $H_0$, and matter density, $\Omega_m$, for current cosmic microwave background (CMB) observations within the standard $\Lambda CDM$ model. We show that Planck, Wilkinson Microwave…

Cosmology and Nongalactic Astrophysics · Physics 2021-01-26 Joshua A. Kable , Graeme E. Addison , Charles L. Bennett

We perform multi-scale non-Gaussianity detection and localization to the Wilkinson Microwave Anisotropy Probe (WMAP) first-year data in both wavelet and real spaces. Such an analysis is facilitated by spherical wavelet transform and inverse…

Astrophysics · Physics 2009-11-11 Xin Liu , Shuang Nan Zhang

We present measurements of anisotropy in the Cosmic Microwave Background (CMB) from the first season of observations with the Degree Angular Scale Interferometer (DASI). The instrument was deployed at the South Pole in the austral summer…

Using an optimal estimator for the CMB Angular Power Spectrum we compute the temperature two-point correlation function of WMAP 9 year at low resolution. Supported by realistic Monte-Carlo simulations, we evaluate how such observed function…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 A. Gruppuso

We present two novel methods for the estimation of the angular power spectrum of cosmic microwave background (CMB) anisotropies. We assume an absolute CMB experiment with arbitrary asymmetric beams and arbitrary sky coverage. The methods…

Cosmology and Nongalactic Astrophysics · Physics 2017-01-25 Elina Keihänen , Kimmo Kiiveri , Hannu Kurki-Suonio , Martin Reinecke

We reconsider the inference of spatial power spectra from angular clustering data and show how to include correlations in both the angular correlation function and the spatial power spectrum. Inclusion of the full covariance matrices…

Astrophysics · Physics 2009-10-31 Daniel J. Eisenstein , Matias Zaldarriaga

The WMAP first year detection of a high redshift reionization through its imprints on CMB anisotropy T and TE mode angular power spectra calls for a better comprehension of the universe ionization and thermal history after the standard…

Astrophysics · Physics 2007-05-23 C. Burigana , L. A. Popa , F. Finelli , R. Salvaterra , G. De Zotti , N. Mandolesi

We present circular and linear cross-correlation tests and the "friend-of-friend" analysis for phases of the Internal Linear Combination Map (ILC) and the WMAP foregrounds for all K--W frequency bands at the range of multipoles…

Astrophysics · Physics 2009-11-10 P. D. Naselsky , A. G. Doroshkevich , O. V. Verkhodanov

For 2442 galaxies of the catalog, compiled based on the NED, SDSS, and CATS survey data with redshifts z, > 0.3 we conducted an analysis of the amplitude of temperature fluctuations in the cosmic microwave background (CMB) in the points,…

Cosmology and Nongalactic Astrophysics · Physics 2011-08-23 O. V. Verkhodanov , M. L. Khabibullina

The Wilkinson Microwave Anisotropy Probe (WMAP) mapped the distribution of temperature and polarization over the entire sky in five microwave frequency bands. These full-sky maps were used to obtain measurements of temperature and…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-14 Eiichiro Komatsu , Charles L. Bennett

We discuss the derivation of the analytic properties of the cross-power spectrum estimator from multi-detector CMB anisotropy maps. The method is computationally convenient and it provides unbiased estimates under very broad assumptions. We…

Astrophysics · Physics 2007-05-23 G. Polenta , D. Marinucci , A. Balbi , P. de Bernardis , E. Hivon , S. Masi , P. Natoli , N. Vittorio

The temperature fluctuations and polarization of the Cosmic Microwave Background (CMB) are now a well-known probe of the Universe at an infant age of 400,000 years. During the transit to us from the surface of last scattering, the CMB…

Cosmology and Nongalactic Astrophysics · Physics 2011-04-19 Joseph Smidt , Asantha Cooray , Alexandre Amblard , Shahab Joudaki , Dipak Munshi , Mario G. Santos , Paolo Serra

We propose a new internal linear combination (ILC) method in the pixel space, applicable on large angular scales of the sky, to estimate a foreground minimized Cosmic Microwave Background (CMB) temperature anisotropy map by incorporating…

Cosmology and Nongalactic Astrophysics · Physics 2018-11-07 Vipin Sudevan , Rajib Saha

We reconstruct the primordial spectrum of the curvature perturbation, $P(k)$, from the observational data of the Wilkinson Microwave Anisotropy Probe (WMAP) by the cosmic inversion method developed recently. In contrast to conventional…

Astrophysics · Physics 2009-10-09 Noriyuki Kogo , Makoto Matsumiya , Misao Sasaki , Jun'ichi Yokoyama

We present constraints on cosmological and astrophysical parameters from high-resolution microwave background maps at 148 GHz and 218 GHz made by the Atacama Cosmology Telescope (ACT) in three seasons of observations from 2008 to 2010. A…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Jonathan L. Sievers , Renée A. Hlozek , Michael R. Nolta , Viviana Acquaviva , Graeme E. Addison , Peter A. R. Ade , Paula Aguirre , Mandana Amiri , John William Appel , L. Felipe Barrientos , Elia S. Battistelli , Nick Battaglia , J. Richard Bond , Ben Brown , Bryce Burger , Erminia Calabrese , Jay Chervenak , Devin Crichton , Sudeep Das , Mark J. Devlin , Simon R. Dicker , W. Bertrand Doriese , Joanna Dunkley , Rolando Dünner , Thomas Essinger-Hileman , David Faber , Ryan P. Fisher , Joseph W. Fowler , Patricio Gallardo , Michael S. Gordon , Megan B. Gralla , Amir Hajian , Mark Halpern , Matthew Hasselfield , Carlos Hernández-Monteagudo , J. Colin Hill , Gene C. Hilton , Matt Hilton , Adam D. Hincks , Dave Holtz , Kevin M. Huffenberger , David H. Hughes , John P. Hughes , Leopoldo Infante , Kent D. Irwin , David R. Jacobson , Brittany Johnstone , Jean Baptiste Juin , Madhuri Kaul , Jeff Klein , Arthur Kosowsky , Judy M Lau , Michele Limon , Yen-Ting Lin , Thibaut Louis , Robert H. Lupton , Tobias A. Marriage , Danica Marsden , Krista Martocci , Phil Mauskopf , Michael McLaren , Felipe Menanteau , Kavilan Moodley , Harvey Moseley , Calvin B Netterfield , Michael D. Niemack , Lyman A. Page , William A. Page , Lucas Parker , Bruce Partridge , Reed Plimpton , Hernan Quintana , Erik D. Reese , Beth Reid , Felipe Rojas , Neelima Sehgal , Blake D. Sherwin , Benjamin L. Schmitt , David N. Spergel , Suzanne T. Staggs , Omelan Stryzak , Daniel S. Swetz , Eric R. Switzer , Robert Thornton , Hy Trac , Carole Tucker , Masao Uehara , Katerina Visnjic , Ryan Warne , Grant Wilson , Ed Wollack , Yue Zhao , Caroline Zunckel

This paper presents a detailed description of the CamSpec likelihood which has been used to analyse Planck temperature and polarization maps of the cosmic microwave background since the first Planck data release. We have created a number of…

Cosmology and Nongalactic Astrophysics · Physics 2021-08-20 George Efstathiou , Steven Gratton

We present a method for fast optimal estimation of the temperature angular power spectrum from observations of the cosmic microwave background. We employ a Hamiltonian Monte Carlo (HMC) sampler to obtain samples from the posterior…

Astrophysics · Physics 2009-11-13 J. F. Taylor , M. A. J. Ashdown , M. P. Hobson
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