Related papers: The Simons Observatory: Development and Optical Ev…

CMB-S4 Science Book, First Edition

This book lays out the scientific goals to be addressed by the next-generation ground-based cosmic microwave background experiment, CMB-S4, envisioned to consist of dedicated telescopes at the South Pole, the high Chilean Atacama plateau…

Cosmology and Nongalactic Astrophysics · Physics 2016-10-11 Kevork N. Abazajian , Peter Adshead , Zeeshan Ahmed , Steven W. Allen , David Alonso , Kam S. Arnold , Carlo Baccigalupi , James G. Bartlett , Nicholas Battaglia , Bradford A. Benson , Colin A. Bischoff , Julian Borrill , Victor Buza , Erminia Calabrese , Robert Caldwell , John E. Carlstrom , Clarence L. Chang , Thomas M. Crawford , Francis-Yan Cyr-Racine , Francesco De Bernardis , Tijmen de Haan , Sperello di Serego Alighieri , Joanna Dunkley , Cora Dvorkin , Josquin Errard , Giulio Fabbian , Stephen Feeney , Simone Ferraro , Jeffrey P. Filippini , Raphael Flauger , George M. Fuller , Vera Gluscevic , Daniel Green , Daniel Grin , Evan Grohs , Jason W. Henning , J. Colin Hill , Renee Hlozek , Gilbert Holder , William Holzapfel , Wayne Hu , Kevin M. Huffenberger , Reijo Keskitalo , Lloyd Knox , Arthur Kosowsky , John Kovac , Ely D. Kovetz , Chao-Lin Kuo , Akito Kusaka , Maude Le Jeune , Adrian T. Lee , Marc Lilley , Marilena Loverde , Mathew S. Madhavacheril , Adam Mantz , David J. E. Marsh , Jeffrey McMahon , Pieter Daniel Meerburg , Joel Meyers , Amber D. Miller , Julian B. Munoz , Ho Nam Nguyen , Michael D. Niemack , Marco Peloso , Julien Peloton , Levon Pogosian , Clement Pryke , Marco Raveri , Christian L. Reichardt , Graca Rocha , Aditya Rotti , Emmanuel Schaan , Marcel M. Schmittfull , Douglas Scott , Neelima Sehgal , Sarah Shandera , Blake D. Sherwin , Tristan L. Smith , Lorenzo Sorbo , Glenn D. Starkman , Kyle T. Story , Alexander van Engelen , Joaquin D. Vieira , Scott Watson , Nathan Whitehorn , W. L. Kimmy Wu

WMAP anomaly : Weak lensing in disguise

Statistical isotropy (SI) has been one of the simplifying assumptions in cosmological model building. Experiments like WMAP and PLANCK are attempting to test this assumption by searching for specific signals in the Cosmic Microwave…

Cosmology and Nongalactic Astrophysics · Physics 2011-11-21 Aditya Rotti , Moumita Aich , Tarun Souradeep

Performance and on-sky optical characterization of the SPTpol instrument

In January 2012, the 10m South Pole Telescope (SPT) was equipped with a polarization-sensitive camera, SPTpol, in order to measure the polarization anisotropy of the cosmic microwave background (CMB). Measurements of the polarization of the…

Instrumentation and Methods for Astrophysics · Physics 2012-10-19 E. M. George , P. Ade , K. A. Aird , J. E. Austermann , J. A. Beall , D. Becker , A. Bender , B. A. Benson , L. E. Bleem , J. Britton , J. E. Carlstrom , C. L. Chang , H. C. Chiang , H-M. Cho , T. M. Crawford , A. T. Crites , A. Datesman , T. de Haan , M. A. Dobbs , W. Everett , A. Ewall-Wice , N. W. Halverson , N. Harrington , J. W. Henning , G. C. Hilton , W. L. Holzapfel , S. Hoover , N. Huang , J. Hubmayr , K. D. Irwin , M. Karfunkle , R. Keisler , J. Kennedy , A. T. Lee , E. Leitch , D. Li , M. Lueker , D. P. Marrone , J. J. McMahon , J. Mehl , S. S. Meyer , J. Montgomery , T. E. Montroy , J. Nagy , T. Natoli , J. P. Nibarger , M. D. Niemack , V. Novosad , S. Padin , C. Pryke , C. L. Reichardt , J. E. Ruhl , B. R. Saliwanchik , J. T. Sayre , K. K. Schaffer , E. Shirokoff , K. Story , C. Tucker , K. Vanderlinde , J. D. Vieira , G. Wang , R. Williamson , V. Yefremenko , K. W. Yoon , E. Young

Recovering unbiased CMB polarization maps using modern ground-based experiments with minimal assumptions about atmospheric emission

We present a study of unbiased reconstruction of cosmic microwave background (CMB) polarization maps from data collected by modern ground-based observatories. Atmospheric emission is a major source of correlated noise in such experiments,…

Instrumentation and Methods for Astrophysics · Physics 2025-12-08 Simon Biquard , Josquin Errard , Radek Stompor

Constraints on large-scale polarization in northern hemisphere

Present cosmic microwave background (CMB) observations have significantly advanced our understanding of the universe's origin, especially with primordial gravitational waves (PGWs). Currently, ground-based CMB telescopes are mainly located…

Cosmology and Nongalactic Astrophysics · Physics 2024-08-02 Dongdong Zhang , Bo Wang , Jia-Rui Li , Yi-Fu Cai , Chang Feng

Data Reduction and Analysis of the Python V Cosmic Microwave Background Anisotropy Experiment

Observations of the microwave sky using the Python telescope in its fifth season of operation at the Amundsen-Scott South Pole Station in Antarctica are presented. The system consists of a 0.75 m off-axis telescope instrumented with a HEMT…

Astrophysics · Physics 2007-05-23 Kimberly Ann Coble

First Season QUIET Observations: Measurements of CMB Polarization Power Spectra at 43 GHz in the Multipole Range 25 <= ell <= 475

The Q/U Imaging ExperimenT (QUIET) employs coherent receivers at 43GHz and 95GHz, operating on the Chajnantor plateau in the Atacama Desert in Chile, to measure the anisotropy in the polarization of the CMB. QUIET primarily targets the B…

Cosmology and Nongalactic Astrophysics · Physics 2012-07-23 QUIET Collaboration , C. Bischoff , A. Brizius , I. Buder , Y. Chinone , K. Cleary , R. N. Dumoulin , A. Kusaka , R. Monsalve , S. K. Næss , L. B. Newburgh , R. Reeves , K. M. Smith , I. K. Wehus , J. A. Zuntz , J. T. L. Zwart , L. Bronfman , R. Bustos , S. E. Church , C. Dickinson , H. K. Eriksen , P. G. Ferreira , T. Gaier , J. O. Gundersen , M. Hasegawa , M. Hazumi , K. M. Huffenberger , M. E. Jones , P. Kangaslahti , D. J. Kapner , C. R. Lawrence , M. Limon , J. May , J. J. McMahon , A. D. Miller , H. Nguyen , G. W. Nixon , T. J. Pearson , L. Piccirillo , S. J. E. Radford , A. C. S. Readhead , J. L. Richards , D. Samtleben , M. Seiffert , M. C. Shepherd , S. T. Staggs , O. Tajima , K. L. Thompson , K. Vanderlinde , R. Williamson , B. Winstein

Power Asymmetries in the Cosmic Microwave Background Temperature and Polarization patterns

We test the asymmetry of the Cosmic Microwave Background anisotropy jointly in temperature and polarization. We study the hemispherical asymmetry, previously found only in the temperature field, with respect to the axis identified by Hansen…

Cosmology and Nongalactic Astrophysics · Physics 2010-10-13 F. Paci , A. Gruppuso , F. Finelli , P. Cabella , A. De Rosa , N. Mandolesi , P. Natoli

Addressing Synchrotron Challenges for CMB Observations: ELFS-SA Collaboration for Robust Foreground Removal

Upcoming cosmic microwave background (CMB) experiments aim to detect primordial gravitational waves with unprecedented sensitivity. Effective foreground removal is essential to avoid biases in the measurement of the tensor-to-scalar ratio…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-24 E. de la Hoz , A. Mennella , K. Arnold , C. Baccigalupi , A. J. Banday , R. B. Barreiro , D. Barron , M. Bersanelli , F. J. Casas , S. Casey , C. Franceschet , M. E. Jones , R. T. Genóva-Santos , R. Hoyland , A. T. Lee , E. Martinez-Gonzalez , F. Montonati , J. -A. Rubiño-Martín , A. C. Taylor , P. Vielva

Ultra High Energy Cosmology with POLARBEAR

Observations of the temperature anisotropy of the Cosmic Microwave Background (CMB) lend support to an inflationary origin of the universe, yet no direct evidence verifying inflation exists. Many current experiments are focussing on the…

Cosmology and Nongalactic Astrophysics · Physics 2011-10-11 B. Keating , S. Moyerman , D. Boettger , J. Edwards , G. Fuller , F. Matsuda , N. Miller , H. Paar , G. Rebeiz , I. Schanning , M. Shimon , N. Stebor , K. Arnold , D. Flanigan , W. Holzapfel , J. Howard , Z. Kermish , A. Lee , M. Lungu , M. Myers , H. Nishino , R. O'Brient , E. Quealy , C. Reichardt , P. Richards , C. Shimmin , B. Steinbach , A. Suzuki , O. Zahn , J. Borrill , C. Cantalupo , E. Kisner , E. Linder , M. Sholl , H. Spieler , A. Anthony , N. Halverson , J. Errard , G. Fabbian , M. Le Jeune , R. Stompor , A. Jaffe , D. O'Dea , Y. Chinone , M. Hasegawa , M. Hazumi , T. Matsumura , H. Morii , A. Shimizu , T. Tomaru , P. Hyland , M. Dobbs , P. Ade , W. Grainger , C. Tucker

CMB Polarisation Signal Demodulation with a Rotating Half-Wave Plate

Several forthcoming Cosmic Microwave Background polarisation experiments will employ a Continuously Rotating Half-Wave Plate (CRHWP), the primary purpose of which is to mitigate instrumental systematic effects. The use of a CRHWP…

Instrumentation and Methods for Astrophysics · Physics 2024-12-18 Mariam Rashid , Michael L. Brown , Daniel B. Thomas

Design, Implementation and Testing of the MAP Radiometers

The Microwave Anisotropy Probe (MAP) satellite, launched June 30, 2001, will produce full sky maps of the cosmic microwave background radiation in 5 frequency bands spanning 20 - 106 GHz. MAP contains 20 differential radiometers built with…

Astrophysics · Physics 2009-11-07 N. Jarosik , C. L. Bennett , M. Halpern , G. Hinshaw , A. Kogut , M. Limon , S. S. Meyer , L. Page , M. Pospieszalski , D. N. Spergel , G. S. Tucker , D. T. Wilkinson , E. Wollack , E. L. Wright , Z. Zhang

The Polarimetric and Helioseismic Imager on Solar Orbiter

This paper describes the Polarimetric and Helioseismic Imager on the Solar Orbiter mission (SO/PHI), the first magnetograph and helioseismology instrument to observe the Sun from outside the Sun-Earth line. It is the key instrument meant to…

Instrumentation and Methods for Astrophysics · Physics 2020-09-30 S. K. Solanki , J. C. del Toro Iniesta , J. Woch , A. Gandorfer , J. Hirzberger , A. Alvarez-Herrero , T. Appourchaux , V. Martínez Pillet , I. Pérez-Grande , E. Sanchis Kilders , W. Schmidt , J. M. Gómez Cama , H. Michalik , W. Deutsch , G. Fernandez-Rico , B. Grauf , L. Gizon , K. Heerlein , M. Kolleck , A. Lagg , R. Meller , R. Müller , U. Schühle , J. Staub , K. Albert , M. Alvarez Copano , U. Beckmann , J. Bischoff , D. Busse , R. Enge , S. Frahm , D. Germerott , L. Guerrero , B. Löptien , T. Meierdierks , D. Oberdorfer , I. Papagiannaki , S. Ramanath , J. Schou , S. Werner , D. Yang , A. Zerr , M. Bergmann , J. Bochmann , J. Heinrichs , S. Meyer , M. Monecke , M. -F. Müller , M. Sperling , D. Álvarez Garcí a , B. Aparicio , M. Balaguer Jiménez , L. R. Bellot Rubio , J. P. Cobos Carracosa , F. Girela , D. Hernández Expósito , M. Herranz , P. Labrousse , A. López Jiménez , D. Orozco Suárez , J. L. Ramos , J. Barandiarán , L. Bastide , C. Campuzano , M. Cebollero , B. Dávila , A. Fernández-Medina , P. García Parejo , D. Garranzo-García , H. Laguna , J. A. Martín , R. Navarro , A. Núñez Peral , M. Royo , A. Sánchez , M. Silva-López , I. Vera , J. Villanueva , J. -J. Fourmond , C. Ruiz de Galarreta , M. Bouzit , V. Hervier , J. C. Le Clec'h , N. Szwec , M. Chaigneau , V. Buttice , C. Dominguez-Tagle , A. Philippon , P. Boumier , R. Le Cocguen , G. Baranjuk , A. Bell , Th. Berkefeld , J. Baumgartner , F. Heidecke , T. Maue , E. Nakai , T. Scheiffelen , M. Sigwarth , D. Soltau , R. Volkmer , J. Blanco Rodríguez , V. Domingo , A. Ferreres Sabater , J. L. Gasent Blesa , P. Rodríguez Martínez , D. Osorno Caudel , J. Bosch , A. Casas , M. Carmona , A. Herms , D. Roma , G. Alonso , A. G\' omez-Sanjuan , J. Piqueras , I. Torralbo , B. Fiethe , Y. Guan , T. Lange , H. Michel , J. A. Bonet , S. Fahmy , D. Müller , I. Zouganelis

NDRIO White Paper: Envisioning Digital Research Infrastructure for the Simons Observatory

Observations of the cosmic microwave background (CMB) are an incredibly fertile source of information for studying the origins and evolution of the Universe. Canadian digital research infrastructure (DRI) has played a key role in reducing…

Instrumentation and Methods for Astrophysics · Physics 2020-12-23 Adam D. Hincks , Simone Aiola , J. Richard Bond , Erminia Calabrese , Andrei Frolov , José Tomás Gálvez Ghersi , Renée Hložek , Matthew Johnson , Mathew S. Madhavacheril , Moritz Münchmeyer , Lyman A. Page , Jonathan Sievers , Suzanne T. Staggs , Alexander Van Engelen

Cosmic Microwave Background Polarization

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

Bayesian analysis of an anisotropic universe model: systematics and polarization

We revisit the anisotropic universe model previously developed by Ackerman, Carroll and Wise (ACW), and generalize both the theoretical and computational framework to include polarization and various forms of systematic effects. We apply…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Nicolaas E. Groeneboom , Lotty Ackerman , Ingunn Kathrine Wehus , Hans Kristian Eriksen

A Measurement of the Cosmic Microwave Background Lensing Potential and Power Spectrum from 500 deg$^2$ of SPTpol Temperature and Polarization Data

We present a measurement of the cosmic microwave background (CMB) lensing potential using 500 deg$^2$ of 150 GHz data from the SPTpol receiver on the South Pole Telescope. The lensing potential is reconstructed with signal-to-noise per mode…

Cosmology and Nongalactic Astrophysics · Physics 2019-10-23 W. L. K. Wu , L. M. Mocanu , P. A. R. Ade , A. J. Anderson , J. E. Austermann , J. S. Avva , J. A. Beall , A. N. Bender , B. A. Benson , F. Bianchini , L. E. Bleem , J. E. Carlstrom , C. L. Chang , H. C. Chiang , R. Citron , C. Corbett Moran , T. M. Crawford , A. T. Crites , T. de Haan , M. A. Dobbs , W. Everett , J. Gallicchio , E. M. George , A. Gilbert , N. Gupta , N. W. Halverson , N. Harrington , J. W. Henning , G. C. Hilton , G. P. Holder , W. L. Holzapfel , Z. Hou , J. D. Hrubes , N. Huang , J. Hubmayr , K. D. Irwin , L. Knox , A. T. Lee , D. Li , A. Lowitz , A. Manzotti , J. J. McMahon , S. S. Meyer , M. Millea , J. Montgomery , A. Nadolski , T. Natoli , J. P. Nibarger , G. I. Noble , V. Novosad , Y. Omori , S. Padin , S. Patil , C. Pryke , C. L. Reichardt , J. E. Ruhl , B. R. Saliwanchik , J. T. Sayre , K. K. Schaffer , C. Sievers , G. Simard , G. Smecher , A. A. Stark , K. T. Story , C. Tucker , K. Vanderlinde , T. Veach , J. D. Vieira , G. Wang , N. Whitehorn , V. Yefremenko

A Measurement of the Angular Power Spectrum of the Microwave Background Made from the High Chilean Andes

We report on a measurement of the angular spectrum of the anisotropy of the microwave sky at 30 and 40 GHz between l=50 and l=200 over approximately 600 sq. deg. The data support a rise in the angular spectrum to a maximum with $\delta T_l…

Astrophysics · Physics 2009-10-31 E. Torbet , M. J. Devlin , W. B. Dorwart , T. Herbig , A. D. Miller , M. R. Nolta , L. Page , J. Puchalla , H. T. Tran

The Cosmology Large Angular Scale Surveyor (CLASS): 38 GHz detector array of bolometric polarimeters

The Cosmology Large Angular Scale Surveyor (CLASS) experiment aims to map the polarization of the Cosmic Microwave Background (CMB) at angular scales larger than a few degrees. Operating from Cerro Toco in the Atacama Desert of Chile, it…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 John W. Appel , Aamir Ali , Mandana Amiri , Derek Araujo , Charles L. Bennett , Fletcher Boone , Manwei Chan , Hsiao-Mei Cho , David T. Chuss , Felipe Colazo , Erik Crowe , Kevin Denis , Rolando Dunner , Joseph Eimer , Thomas Essinger-Hileman , Dominik Gothe , Mark Halpern , Kathleen Harrington , Gene Hilton , Gary F. Hinshaw , Caroline Huang , Kent Irwin , Glenn Jones , John Karakla , Alan J. Kogut , David Larson , Michele Limon , Lindsay Lowry , Tobias Marriage , Nicholas Mehrle , Amber D. Miller , Nathan Miller , Samuel H. Moseleyb , Giles Novakh , Carl Reintsemad , Karwan Rostemab , Thomas Stevensonb , Deborah Towner , Kongpop U-Yen , Emily Wagner , Duncan Watts , Edward Wollack , Zhilei Xu , Lingzhen Zeng

CMB Observations with a Compact Heterogeneous 150 GHz Interferometer in Chile

We report on the design, first observing season, and analysis of data from a new prototype millimeter-wave interferometer, MINT. MINT consists of four 145 GHz SIS mixers operating in double-sideband mode in a compact heterogeneous…

Astrophysics · Physics 2009-11-10 J. W. Fowler , W. B. Doriese , T. A. Marriage , H. T. Tran , A. M. Aboobaker , C. Dumont , M. Halpern , Z. D. Kermish , Y. -S. Loh , L. A. Page , S. T. Staggs , D. H. Wesley