Related papers: CMB observations with the Cosmic Background Imager…

Interferometric Observation of Cosmic Microwave Background Anisotropies

We present a formalism for analyzing interferometric observations of Cosmic Microwave Background (CMB) anisotropy and polarization data. The formalism is based upon the ell-space expansion of the angular power spectrum favoured in recent…

Astrophysics · Physics 2009-08-18 Martin White , John E. Carlstrom , Mark Dragovan , William L. Holzapfel

Cosmological Results from Five Years of 30 GHz CMB Intensity Measurements with the Cosmic Background Imager

We present final results on the angular power spectrum of total intensity anisotropies in the CMB from the CBI. Our analysis includes all primordial anisotropy data collected between January 2000 and April 2005, and benefits significantly…

Cosmology and Nongalactic Astrophysics · Physics 2009-02-06 J. L. Sievers , B. S. Mason , L. Weintraub , C. Achermann , P. Altamirano , J. R. Bond , L. Bronfman , R. Bustos , C. Contaldi , C. Dickinson , M. E. Jones , J. May , S. T. Myers , N. Oyarce , S. Padin , T. J. Pearson , M. Pospieszalski , A. C. S. Readhead , R. Reeves , M. C. Shepherd , A. C. Taylor , S. Torres

Cosmological Parameters from Cosmic Background Imager Observations and Comparisons with BOOMERANG, DASI, and MAXIMA

We report on the cosmological parameters derived from observations with the Cosmic Background Imager (CBI), covering 40 square degrees and the multipole range 300 < l < 3500. The angular scales probed by the CBI correspond to structures…

Astrophysics · Physics 2008-11-26 J. L. Sievers , J. R. Bond , J. K. Cartwright , C. R. Contaldi , B. S. Mason , S. T. Myers , S. Padin , T. J. Pearson , U. -L. Pen , D. Pogosyan , S. Prunet , A. C. S. Readhead , M. C. Shepherd , P. S. Udomprasert , L. Bronfman , W. L. Holzapfel , J. May

Preliminary Results from the Cosmic Background Imager

The Cosmic Background Imager (CBI) is a 13-element interferometer designed to image intrinsic anisotropies in the cosmic microwave background (CMB) on arcminute scales. A review of the capabilities of the instrument is presented, together…

Astrophysics · Physics 2017-08-23 B. S. Mason , J. K. Cartwright , S. Padin , T. J. Pearson , A. C. S. Readhead , M. Shepherd , J. Sievers , P. Udomprasert

Extended Mosaic Observations with the Cosmic Background Imager

Two years of microwave background observations with the Cosmic Background Imager (CBI) have been combined to give a sensitive, high resolution angular power spectrum over the range 400 < l < 3500. This power spectrum has been referenced to…

Astrophysics · Physics 2009-11-10 A. C. S. Readhead , B. S. Mason , C. R. Contaldi , T. J. Pearson , J. R. Bond , S. T. Myers , S. Padin , J. L. Sievers , J. K. Cartwright , M. C. Shepherd , D. Pogosyan , S. Prunet , P. Altamirano , R. Bustos , L. Bronfman , S. Casassus , W. L. Holzapfel , J. May , U. -L. Pen , S. Torres , P. S. Udomprasert

DASI First Results: A Measurement of the Cosmic Microwave Background Angular Power Spectrum

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…

Astrophysics · Physics 2009-11-06 N. W. Halverson , E. M. Leitch , C. Pryke , J. Kovac , J. E. Carlstrom , W. L. Holzapfel , M. Dragovan , J. K. Cartwright , B. S. Mason , S. Padin , T. J. Pearson , M. C. Shepherd , A. C. S. Readhead

CMB interferometry

Interferometry has been a very successful tool for measuring anisotropies in the cosmic microwave background. Interferometers provided the first constraints on CMB anisotropies on small angular scales (l~10000) in the 1980s and then in the…

Cosmology and Nongalactic Astrophysics · Physics 2012-12-11 Clive Dickinson

Constraints from the damping tail

The detection of anisotropy in the cosmic microwave background on arcminute scales by the Cosmic Background Imager (CBI) provides us with our first measurement of the damping tail and closes one chapter in the CMB story. We now have…

Astrophysics · Physics 2009-08-18 Martin White

The CMB temperature power spectrum from an improved analysis of the Archeops data

We present improved results on the measurement of the angular power spectrum of the Cosmic Microwave Background (CMB) temperature anisotropies using the data from the last Archeops flight. This refined analysis is obtained by using the 6…

Astrophysics · Physics 2009-11-10 M. Tristram , G. Patanchon , J. F. Macias-Perez , P. Ade , A. Amblard , R. Ansari , E. Aubourg , A. Benoit , J. -Ph. Bernard , A. Blanchard , J. J. Bock , F. R. Bouchet , A. Bourrachot , P. Camus , J. -F. Cardoso , F. Couchot , P. de Bernardis , J. Delabrouille , F. -X. Desert , M. Douspis , L. Dumoulin , Ph. Filliatre , P. Fosalba , M. Giard , Y. Giraud-Heraud , R. Gispert , L. Guglielmi , J. -Ch. Hamilton , S. Hanany , S. Henrot-Versille , J. Kaplan , G. Lagache , J. -M. Lamarre , A. E. Lange , K. Madet , B. Maffei , Ch. Magneville , S. Masi , F. Mayet , F. Nati , O. Perdereau , S. Plaszczynski , M. Piat , N. Ponthieu , S. Prunet , C. Renault , C. Rosset , D. Santos , D. Vibert , D. Yvon

The CMB power spectrum out to l=1400 measured by the VSA

We have observed the cosmic microwave background (CMB) in three regions of sky using the Very Small Array (VSA) in an extended configuration with antennas of beamwidth 2 degrees at 34 GHz. Combined with data from previous VSA observations…

Astrophysics · Physics 2009-11-07 Keith Grainge , Pedro Carreira , Kieran Cleary , Rod D. Davies , Richard J. Davis , Clive Dickinson , Ricardo Genova-Santos , Carlos M. Gutierrez , Yaser A. Hafez , Michael P. Hobson , Michael E. Jones , Rudiger Kneissl , Katy Lancaster , Anthony Lasenby , J. P. Leahy , Klaus Maisinger , Guy G. Pooley , Rafael Rebolo , Jose Alberto Rubino-Martin , Pedro Sosa Molina , Carolina Odman , Ben Rusholme , Richard D. E. Saunders , Richard Savage , Paul F. Scott , Anze Slosar , Angela C. Taylor , David Titterington , Elizabeth Waldram , Robert A. Watson , Althea Wilkinson

The Cosmic Background Imager

Design and performance details are given for the Cosmic Background Imager (CBI), an interferometer array that is measuring the power spectrum of fluctuations in the cosmic microwave background radiation (CMBR) for multipoles in the range…

Astrophysics · Physics 2009-11-07 S. Padin , M. C. Shepherd , J. K. Cartwright , R. G. Keeney , B. S. Mason , T. J. Pearson , A. C. S. Readhead , W. L. Schaal , J. Sievers , P. S. Udomprasert , J. K. Yamasaki , W. L. Holzapfel , J. E. Carlstrom , M. Joy , S. T. Myers , A. Otarola

The Anisotropy of the Microwave Background to l = 3500: Mosaic Observations with the Cosmic Background Imager

Using the Cosmic Background Imager, a 13-element interferometer array operating in the 26-36 GHz frequency band, we have observed 40 sq deg of sky in three pairs of fields, each ~ 145 x 165 arcmin, using overlapping pointings (mosaicing).…

Astrophysics · Physics 2009-09-29 T. J. Pearson , B. S. Mason , A. C. S. Readhead , M. C. Shepherd , J. L. Sievers , P. S. Udomprasert , J. K. Cartwright , A. J. Farmer , S. Padin , S. T. Myers , J. R. Bond , C. R. Contaldi , U. -L. Pen , S. Prunet , D. Pogosyan , J. E. Carlstrom , J. Kovac , E. M. Leitch , C. Pryke , N. W. Halverson , W. L. Holzapfel , P. Altamirano , L. Bronfman , S. Casassus , J. May , M. Joy

Experiment Design and First Season Observations with the Degree Angular Scale Interferometer

We describe the instrumentation, experiment design and data reduction for the first season of observations with the Degree Angular Scale Interferometer (DASI), a compact microwave interferometer designed to measure anisotropy in the Cosmic…

Astrophysics · Physics 2009-11-06 E. M. Leitch , C. Pryke , N. W. Halverson , J. Kovac , G. Davidson , S. LaRoque , E. Schartman , J. Yamasaki , J. E. Carlstrom , W. L. Holzapfel , M. Dragovan , J. K. Cartwright , B. S. Mason , S. Padin , T. J. Pearson , M. C. Shepherd , A. C. S. Readhead

High resolution CMB power spectrum from the complete ACBAR data set

In this paper, we present results from the complete set of cosmic microwave background (CMB) radiation temperature anisotropy observations made with the Arcminute Cosmology Bolometer Array Receiver (ACBAR) operating at 150 GHz. We include…

Astrophysics · Physics 2009-06-23 C. L. Reichardt , P. A. R. Ade , J. J. Bock , J. R. Bond , J. A. Brevik , C. R. Contaldi , M. D. Daub , J. T. Dempsey , J. H. Goldstein , W. L. Holzapfel , C. L. Kuo , A. E. Lange , M. Lueker , M. Newcomb , J. B. Peterson , J. Ruhl , M. C. Runyan , Z. Staniszewski

Improved Measurement of the Angular Power Spectrum of Temperature Anisotropy in the CMB from Two New Analyses of BOOMERANG Observations

We report the most complete analysis to date of observations of the Cosmic Microwave Background (CMB) obtained during the 1998 flight of BOOMERANG. We use two quite different methods to determine the angular power spectrum of the CMB in 20…

Astrophysics · Physics 2009-11-07 J. E. Ruhl , P. A. R. Ade , J. J. Bock , J. R. Bond , J. Borrill , A. Boscaleri , C. R. Contaldi , B. P. Crill , P. de Bernardis , G. De Troia , K. Ganga , M. Giacometti , E. Hivon , V. V. Hristov , A. Iacoangeli , A. H. Jaffe , W. C. Jones , A. E. Lange , S. Masi , P. Mason , P. D. Mauskopf , A. Melchiorri , T. Montroy , C. B. Netterfield , E. Pascale , F. Piacentini , D. Pogosyan , G. Polenta , S. Prunet , G. Romeo

Improved Measurements of the CMB Power Spectrum with ACBAR

We report improved measurements of temperature anisotropies in the cosmic microwave background (CMB) radiation made with the Arcminute Cosmology Bolometer Array Receiver (ACBAR). In this paper, we use a new analysis technique and include…

Astrophysics · Physics 2010-11-05 C. L. Kuo , P. A. R. Ade , J. J. Bock , J. R. Bond , C. R. Contaldi , M. D. Daub , J. H. Goldstein , W. L. Holzapfel , A. E. Lange , M. Lueker , M. Newcomb , J. B. Peterson , C. Reichardt , J. Ruhl , M. C. Runyan , Z. Staniszweski

A blind estimation of the power spectrum of CMB anisotropy from WMAP

Accurate measurements of angular power spectrum of Cosmic Microwave Background (CMB) radiation has lead to marked improvement in the estimates of different cosmological parameters. This has required removal of foreground contamination as…

Astrophysics · Physics 2009-11-13 Rajib Saha , Pankaj Jain , Tarun Souradeep

Maximum-likelihood estimation of the CMB power spectrum from interferometer observations

A maximum-likelihood method is presented for estimating the power spectrum of anisotropies in the cosmic microwave background (CMB) from interferometer observations. The method calculates flat band-power estimates in separate bins in…

Astrophysics · Physics 2009-11-07 M. P. Hobson , Klaus Maisinger

The Cosmic Background Imager

The Cosmic Background Imager (CBI) is an instrument designed to make images of the cosmic microwave background radiation and to measure its statistical properties on angular scales from about 3 arc minutes to one degree (spherical harmonic…

Astrophysics · Physics 2007-05-23 T. J. Pearson , B. S. Mason , S. Padin , A. C. S. Readhead , M. C. Shepherd , J. Sievers , P. S. Udomprasert , J. K. Cartwright

CMB anisotropy power spectrum using linear combinations of WMAP maps

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