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We present a method for measuring the masses of galaxy clusters using the imprint of their gravitational lensing signal on the cosmic microwave background (CMB) temperature anisotropies. The method first reconstructs the projected…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 Jean-Baptiste Melin , James G. Bartlett

The Atacama Cosmology Telescope (ACT) is designed to make high angular resolution measurements of anisotropies in the Cosmic Microwave Background (CMB) at millimeter wavelengths. We describe ACTPol, an upgraded receiver for ACT, which uses…

The Atacama Cosmology Telescope (ACT) is a 6 m telescope located in the Atacama Desert, designed to measure the cosmic microwave background (CMB) with arcminute resolution. ACT, with its third generation polarization sensitive array,…

Instrumentation and Methods for Astrophysics · Physics 2019-02-20 Patricio A. Gallardo , Nicholas F. Cothard , Roberto Puddu , Rolando Dünner , Brian J. Koopman , Michael D. Niemack , Sara M. Simon , Edward J. Wollack

Low-frequency radio observations of neutral hydrogen during and before the epoch of cosmic reionization will provide ~ 1000 quasi-independent source planes, each of precisely known redshift, if a resolution of ~1 arcminutes or better can be…

Astrophysics · Physics 2017-03-15 R. Benton Metcalf , S. D. M. White

The Blanco Cosmology Survey (BCS) is a 60 night imaging survey of $\sim$80 deg$^2$ of the southern sky located in two fields: ($\alpha$,$\delta$)= (5 hr, $-55^{\circ}$) and (23 hr, $-55^{\circ}$). The survey was carried out between 2005 and…

The lensing power spectrum from cosmic microwave background (CMB) temperature maps will be measured with unprecedented precision with upcoming experiments, including upgrades to ACT and SPT. Achieving significant improvements in…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 A. van Engelen , S. Bhattacharya , N. Sehgal , G. P. Holder , O. Zahn , D. Nagai

We assess the accuracy with which future galaxy surveys can measure cosmological parameters by deriving a handy approximation that we validate numerically. We find that galaxy surveys are quite complementary to future Cosmic Microwave…

Astrophysics · Physics 2009-10-07 Max Tegmark

We describe the first instrument of a Cosmic Microwave Background experiment for mapping cosmological structures on medium angular scales (the COSMOSOMAS experiment) and diffuse Galactic emission. The instrument is located at Teide…

GroundBIRD is a ground-based experiment for the precise observation of the polarization of the cosmic microwave background (CMB). To achieve high sensitivity at large angular scale, we adopt three features in this experiment: fast rotation…

Low-frequency radio observations of neutral hydrogen during and before the epoch of cosmic reionization will provide hundreds of quasi-independent source planes, each of precisely known redshift, if a resolution of ~ 1 arcminutes or better…

Astrophysics · Physics 2010-11-11 R. Benton Metcalf

Cosmic Microwave Background experiments need to measure polarization properties of the incoming radiation very accurately to achieve their scientific goals. As a result of that, it is necessary to properly characterize these instruments.…

Instrumentation and Methods for Astrophysics · Physics 2024-07-22 Gabriele Coppi , Federico Astori , Giulia Rancati Cattaneo , Josquin Errand , Rolando Dunner-Planella , Federico Nati , Mario Zannoni

The Wilkinson Microwave Anisotropy Probe WMAP has mapped the entire sky in five frequency bands between 23 and 94 GHz with polarization sensitive radiometers. We present three-year full-sky maps of the polarization and analyze them for…

We present a method to measure the small-scale matter power spectrum using high-resolution measurements of the gravitational lensing of the Cosmic Microwave Background (CMB). To determine whether small-scale structure today is suppressed on…

Cosmology and Nongalactic Astrophysics · Physics 2019-01-16 Ho Nam Nguyen , Neelima Sehgal , Mathew Madhavacheril

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…

We consider the capabilities for detecting low order CO emission lines from high-z galaxies using the next generation of radio telescopes operating at 22 and 43 GHz. We employ models for the evolution of dusty star forming galaxies based on…

Astrophysics · Physics 2009-11-07 C. L. Carilli , A. W. Blain

Cosmic Microwave Background experiments need to measure polarization properties of the incoming radiation very accurately to achieve their scientific goals. As a result of that, it is necessary to properly characterize these instruments.…

Instrumentation and Methods for Astrophysics · Physics 2022-07-18 Gabriele Coppi , Giulia Conenna , Sofia Savorgnano , Felipe Carrero , Rolando Dünner-Planella , Nicholas Galitzki , Federico Nati , Mario Zannoni

Cross-correlation between weak lensing of the Cosmic Microwave Background (CMB) and weak lensing of galaxies offers a way to place robust constraints on cosmological and astrophysical parameters with reduced sensitivity to certain…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-17 S. Shaikh , I. Harrison , A. van Engelen , G. A. Marques , T. M. C. Abbott , M. Aguena , O. Alves , A. Amon , R. An , D. Bacon , N. Battaglia , M. R. Becker , G. M. Bernstein , E. Bertin , J. Blazek , J. R. Bond , D. Brooks , D. L. Burke , E. Calabrese , A. Carnero Rosell , J. Carretero , R. Cawthon , C. Chang , R. Chen , A. Choi , S. K. Choi , L. N. da Costa , M. E. S. Pereira , O. Darwish , T. M. Davis , S. Desai , M. Devlin , H. T. Diehl , P. Doel , C. Doux , J. Elvin-Poole , G. S. Farren , S. Ferraro , I. Ferrero , A. Ferté , B. Flaugher , J. Frieman , M. Gatti , G. Giannini , S. Giardiello , D. Gruen , R. A. Gruendl , G. Gutierrez , J. C. Hill , S. R. Hinton , D. L. Hollowood , K. Honscheid , K. M. Huffenberger , D. Huterer , D. J. James , M. Jarvis , N. Jeffrey , H. T. Jense , K. Knowles , J. Kim , D. Kramer , O. Lahav , S. Lee , M. Lima , N. MacCrann , M. S. Madhavacheril , J. L. Marshall , J. McCullough , Y. Mehta , J. Mena-Fernández , R. Miquel , J. J. Mohr , K. Moodley , J. Myles , A. Navarro-Alsina , L. Newburgh , M. D. Niemack , Y. Omori , S. Pandey , B. Partridge , A. Pieres , A. A. Plazas Malagón , A. Porredon , J. Prat , F. J. Qu , N. Robertson , R. P. Rollins , A. Roodman , S. Samuroff , C. Sánchez , E. Sanchez , D. Sanchez Cid , L. F. Secco , N. Sehgal , E. Sheldon , B. D. Sherwin , T. Shin , C. Sifón M. Smith , E. Suchyta , M. E. C. Swanson , G. Tarle , M. A. Troxel , I. Tutusaus , C. Vargas , N. Weaverdyck , P. Wiseman , M. Yamamoto , J. Zuntz
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