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The ground-based cosmic microwave background (CMB) experiments are susceptible to various instrumental errors, especially for $B$-mode measurements. The difference between the response of two polarized detectors, referred to as the beam…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-19 Jiazheng Dou , Jiakang Han , Wen Zhao , Bin Hu

The Wavelength-Oriented Microwave Background Analysis Team (WOMBAT) is constructing microwave maps which will be more realistic than previous simulations. Our foreground models represent a considerable improvement: where spatial templates…

Rapid progress has been made in observations of the temperature anisotropies of the Cosmic Microwave Background (CMB). These observations have enabled cosmologists to characterize the state of the universe at recombination, and…

Astrophysics · Physics 2009-11-07 Tanmay Vachaspati , Arthur Lue

A number of experiments for measuring anisotropies of the Cosmic Microwave Background use scanning strategies in which temperature fluctuations are measured along circular scans on the sky. It is possible, from a large number of such…

Astrophysics · Physics 2009-10-30 J. Delabrouille , K. M. Górski , E. Hivon

Cosmic microwave background experiments have experienced an exponential increase in complexity, data size and sensitivity. One of the goals of current and future experiments is to characterize the B-mode power spectrum, which would be…

Instrumentation and Methods for Astrophysics · Physics 2020-07-07 P. Fluxá , M. K. Brewer , R. Dünner

To reliably detect the cosmic microwave background (CMB) anisotropy is of great importance in understanding the birth and evolution of the Universe. One of the difficulties in CMB experiments is the domination of measured CMB anisotropy…

Cosmology and Nongalactic Astrophysics · Physics 2011-04-28 Hao Liu , Ti-Pei Li

We demonstrate that the cosmic microwave background (CMB) temperature-polarization cross-correlation provides accurate and robust constraints on cosmological parameters. We compare them with the results from temperature or polarization and…

Cosmology and Nongalactic Astrophysics · Physics 2017-06-07 F. Couchot , S. Henrot-Versillé , O. Perdereau , S. Plaszczynski , B. Rouillé d'Orfeuil , M. Spinelli , M. Tristram

Accurate measurements of the cosmic microwave background (CMB) anisotropies with an angular resolution of a few arcminutes can be used to determine fundamental cosmological parameters such as the densities of baryons, cold and hot dark…

Astrophysics · Physics 2016-01-13 J. Richard Bond , George Efstathiou , Max Tegmark

Cosmic microwave background (CMB) anisotropy is our richest source of cosmological information; the standard cosmological model was largely established thanks to study of the temperature anisotropies. By the end of the decade, the Planck…

Astrophysics · Physics 2009-11-11 James G. Bartlett

The cosmic microwave background temperature is a cornerstone astrophysical observable. Its present value is tightly constrained, but its redshift dependence, which can now be determined until redshift $z\sim6.34$, is also an important probe…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-23 L. Gelo , C. J. A. P. Martins , N. Quevedo , A. M. M. Vieira

We present a new pipeline utilizing machine learning for classifying short-duration features in raw time-ordered data (TOD) of cosmic microwave background survey observations. The pipeline, specifically designed for the Atacama Cosmology…

We present an extension of the ROMA map-making algorithm for the generation of optimal cosmic microwave background polarization maps. The new code allows for a possible cross-correlated noise component among the detectors of a CMB…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-31 Giancarlo de Gasperis , Alessandro Buzzelli , Paolo Cabella , Paolo de Bernardis , Nicola Vittorio

Measurements of the cosmic microwave background (CMB) allow high precision observation of the Last Scattering Surface at redshift $z\sim$1100. After the success of the NASA satellite COBE, that in 1992 provided the first detection of the…

The cosmic microwave background radiation (CMB) is now firmly established as a fundamental and essential probe of the geometry, constituents, and birth of the Universe. The CMB is a potent observable because it can be measured with…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 S. Hanany , M. Niemack , L. Page

The polarization of the Cosmic Microwave Background (CMB) radiation carries essential information on early stages of the Universe such as the cosmic inflation, forming cosmological structures through gravitational lensing, and the epoch of…

Cosmology and Nongalactic Astrophysics · Physics 2024-02-22 E. Carretti , C. Baccigalupi

Large patterns could exist on the microwave sky as a result of various non-standard possibilities for the large-scale Universe -- rotation or shear, non-trivial topology, and single topological defects are specific examples. All-sky (or…

Astrophysics · Physics 2009-10-31 Emory F. Bunn , Douglas Scott

This paper discusses the science case for a sensitive spectro-polarimetric survey of the microwave sky. Such a survey would provide a tomographic and dynamic census of the three-dimensional distribution of hot gas, velocity flows, early…

Cosmology and Nongalactic Astrophysics · Physics 2019-09-09 Jacques Delabrouille , Maximilian H. Abitbol , Nabila Aghanim , Yacine Ali-Haimoud , David Alonso , Marcelo Alvarez , Anthony J. Banday , James G. Bartlett , Jochem Baselmans , Kaustuv Basu , Nicholas Battaglia , Jose Ramon Bermejo Climent , Jose L. Bernal , Matthieu Béthermin , Boris Bolliet , Matteo Bonato , François R. Bouchet , Patrick C. Breysse , Carlo Burigana , Zhen-Yi Cai , Jens Chluba , Eugene Churazov , Helmut Dannerbauer , Paolo De Bernardis , Gianfranco De Zotti , Eleonora Di Valentino , Emanuela Dimastrogiovanni , Akira Endo , Jens Erler , Simone Ferraro , Fabio Finelli , Dale Fixsen , Shaul Hanany , Luke Hart , Carlos Hernandez-Monteagudo , J. Colin Hill , Selim C. Hotinli , Kenichi Karatsu , Kirit Karkare , Garrett K. Keating , Ildar Khabibullin , Alan Kogut , Kazunori Kohri , Ely D. Kovetz , Guilaine Lagache , Julien Lesgourgues , Mathew Madhavacheril , Bruno Maffei , Nazzareno Mandolesi , Carlos Martins , Silvia Masi , John Mather , Jean-Baptiste Melin , Azadeh Moradinezhad Dizgah , Tony Mroczkowski , Suvodip Mukherjee , Daisuke Nagai , Mattia Negrello , Nathalie Palanque-Delabrouille , Daniela Paoletti , Subodh P. Patil , Francesco Piacentini , Srinivasan Raghunathan , Andrea Ravenni , Mathieu Remazeilles , Vincent Revéret , Louis Rodriguez , Aditya Rotti , Jose-Alberto Rubino Martin , Jack Sayers , Douglas Scott , Joseph Silk , Marta Silva , Tarun Souradeep , Naonori Sugiyama , Rashid Sunyaev , Eric R. Switzer , Andrea Tartari , Tiziana Trombetti , Inigo Zubeldia

The last years have been an exciting period for the field of the Cosmic Microwave Background (CMB) research. With recent CMB balloon-borne and ground-based experiments we are entering a new era of 'precision' cosmology that enables us to…

Astrophysics · Physics 2007-05-23 Alessandro Melchiorri

The purpose of this reanalysis of the WMAP uncalibrated time ordered data (TOD) was two fold. The first was to reassess the reliability of the detection of the anisotropies in the official WMAP sky maps of the cosmic microwave background…

General Physics · Physics 2015-05-13 Keith S. Cover