Related papers: Characterizing Atacama B-mode Search Detectors wit…

Measurements of B-mode Polarization of the Cosmic Microwave Background from 500 Square Degrees of SPTpol Data

We report a B-mode power spectrum measurement from the cosmic microwave background (CMB) polarization anisotropy observations made using the SPTpol instrument on the South Pole Telescope. This work uses 500 deg$^2$ of SPTpol data, a…

Cosmology and Nongalactic Astrophysics · Physics 2020-07-01 J. T. Sayre , C. L. Reichardt , J. W. Henning , 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 , G. C. Hilton , G. P. Holder , W. L. Holzapfel , J. D. Hrubes , N. Huang , J. Hubmayr , K. D. Irwin , L. Knox , A. T. Lee , D. Li , A. Lowitz , J. J. McMahon , S. S. Meyer , L. M. Mocanu , J. Montgomery , A. Nadolski , T. Natoli , J. P. Nibarger , G. Noble , V. Novosad , S. Padin , S. Patil , C. Pryke , J. E. Ruhl , B. R. Saliwanchik , K. K. Schaffer , C. Sievers , G. Smecher , A. A. Stark , C. Tucker , K. Vanderlinde , T. Veach , J. D. Vieira , G. Wang , N. Whitehorn , W. L. K. Wu , V. Yefremenko

Optical modeling of systematic uncertainties in detector polarization angles for the Atacama Cosmology Telescope

We present an estimate of the Atacama Cosmology Telescope (ACT) detector polarization angle systematic uncertainty from optics perturbation analysis using polarization-sensitive ray tracing in CODE V optical design software. Uncertainties…

Instrumentation and Methods for Astrophysics · Physics 2024-08-02 Colin C. Murphy , Steve K. Choi , Rahul Datta , Mark J. Devlin , Matthew Hasselfield , Brian J. Koopman , Jeff McMahon , Sigurd Naess , Michael D. Niemack , Lyman A. Page , Suzanne T. Staggs , Robert Thornton , Edward J. Wollack

The Simons Observatory: Astro2020 Decadal Project Whitepaper

The Simons Observatory (SO) is a ground-based cosmic microwave background (CMB) experiment sited on Cerro Toco in the Atacama Desert in Chile that promises to provide breakthrough discoveries in fundamental physics, cosmology, and…

Instrumentation and Methods for Astrophysics · Physics 2019-10-10 The Simons Observatory Collaboration , Maximilian H. Abitbol , Shunsuke Adachi , Peter Ade , James Aguirre , Zeeshan Ahmed , Simone Aiola , Aamir Ali , David Alonso , Marcelo A. Alvarez , Kam Arnold , Peter Ashton , Zachary Atkins , Jason Austermann , Humna Awan , Carlo Baccigalupi , Taylor Baildon , Anton Baleato Lizancos , Darcy Barron , Nick Battaglia , Richard Battye , Eric Baxter , Andrew Bazarko , James A. Beall , Rachel Bean , Dominic Beck , Shawn Beckman , Benjamin Beringue , Tanay Bhandarkar , Sanah Bhimani , Federico Bianchini , Steven Boada , David Boettger , Boris Bolliet , J. Richard Bond , Julian Borrill , Michael L. Brown , Sarah Marie Bruno , Sean Bryan , Erminia Calabrese , Victoria Calafut , Paolo Calisse , Julien Carron , Fred. M Carl , Juan Cayuso , Anthony Challinor , Grace Chesmore , Yuji Chinone , Jens Chluba , Hsiao-Mei Sherry Cho , Steve Choi , Susan Clark , Philip Clarke , Carlo Contaldi , Gabriele Coppi , Nicholas F. Cothard , Kevin Coughlin , Will Coulton , Devin Crichton , Kevin D. Crowley , Kevin T. Crowley , Ari Cukierman , John M. D'Ewart , Rolando Dünner , Tijmen de Haan , Mark Devlin , Simon Dicker , Bradley Dober , Cody J. Duell , Shannon Duff , Adri Duivenvoorden , Jo Dunkley , Hamza El Bouhargani , Josquin Errard , Giulio Fabbian , Stephen Feeney , James Fergusson , Simone Ferraro , Pedro Fluxà , Katherine Freese , Josef C. Frisch , Andrei Frolov , George Fuller , Nicholas Galitzki , Patricio A. Gallardo , Jose Tomas Galvez Ghersi , Jiansong Gao , Eric Gawiser , Martina Gerbino , Vera Gluscevic , Neil Goeckner-Wald , Joseph Golec , Sam Gordon , Megan Gralla , Daniel Green , Arpi Grigorian , John Groh , Chris Groppi , Yilun Guan , Jon E. Gudmundsson , Mark Halpern , Dongwon Han , Peter Hargrave , Kathleen Harrington , Masaya Hasegawa , Matthew Hasselfield , Makoto Hattori , Victor Haynes , Masashi Hazumi , Erin Healy , Shawn W. Henderson , Brandon Hensley , Carlos Hervias-Caimapo , Charles A. Hill , J. Colin Hill , Gene Hilton , Matt Hilton , Adam D. Hincks , Gary Hinshaw , Renée Hložek , Shirley Ho , Shuay-Pwu Patty Ho , Thuong D. Hoang , Jonathan Hoh , Selim C. Hotinli , Zhiqi Huang , Johannes Hubmayr , Kevin Huffenberger , John P. Hughes , Anna Ijjas , Margaret Ikape , Kent Irwin , Andrew H. Jaffe , Bhuvnesh Jain , Oliver Jeong , Matthew Johnson , Daisuke Kaneko , Ethan D. Karpel , Nobuhiko Katayama , Brian Keating , Reijo Keskitalo , Theodore Kisner , Kenji Kiuchi , Jeff Klein , Kenda Knowles , Anna Kofman , Brian Koopman , Arthur Kosowsky , Nicoletta Krachmalnicoff , Akito Kusaka , Phil LaPlante , Jacob Lashner , Adrian Lee , Eunseong Lee , Antony Lewis , Yaqiong Li , Zack Li , Michele Limon , Eric Linder , Jia Liu , Carlos Lopez-Caraballo , Thibaut Louis , Marius Lungu , Mathew Madhavacheril , Daisy Mak , Felipe Maldonado , Hamdi Mani , Ben Mates , Frederick Matsuda , Loïc Maurin , Phil Mauskopf , Andrew May , Nialh McCallum , Heather McCarrick , Chris McKenney , Jeff McMahon , P. Daniel Meerburg , James Mertens , Joel Meyers , Amber Miller , Mark Mirmelstein , Kavilan Moodley , Jenna Moore , Moritz Munchmeyer , Charles Munson , Masaaki Murata , Sigurd Naess , Toshiya Namikawa , Federico Nati , Martin Navaroli , Laura Newburgh , Ho Nam Nguyen , Andrina Nicola , Mike Niemack , Haruki Nishino , Yume Nishinomiya , John Orlowski-Scherer , Luca Pagano , Bruce Partridge , Francesca Perrotta , Phumlani Phakathi , Lucio Piccirillo , Elena Pierpaoli , Giampaolo Pisano , Davide Poletti , Roberto Puddu , Giuseppe Puglisi , Chris Raum , Christian L. Reichardt , Mathieu Remazeilles , Yoel Rephaeli , Dominik Riechers , Felipe Rojas , Aditya Rotti , Anirban Roy , Sharon Sadeh , Yuki Sakurai , Maria Salatino , Mayuri Sathyanarayana Rao , Lauren Saunders , Emmanuel Schaan , Marcel Schmittfull , Neelima Sehgal , Joseph Seibert , Uros Seljak , Paul Shellard , Blake Sherwin , Meir Shimon , Carlos Sierra , Jonathan Sievers , Cristobal Sifon , Precious Sikhosana , Maximiliano Silva-Feaver , Sara M. Simon , Adrian Sinclair , Kendrick Smith , Wuhyun Sohn , Rita Sonka , David Spergel , Jacob Spisak , Suzanne T. Staggs , George Stein , Jason R. Stevens , Radek Stompor , Aritoki Suzuki , Osamu Tajima , Satoru Takakura , Grant Teply , Daniel B. Thomas , Ben Thorne , Robert Thornton , Hy Trac , Jesse Treu , Calvin Tsai , Carole Tucker , Joel Ullom , Sunny Vagnozzi , Alexander van Engelen , Jeff Van Lanen , Daniel D. Van Winkle , Eve M. Vavagiakis , Clara Vergès , Michael Vissers , Kasey Wagoner , Samantha Walker , Yuhan Wang , Jon Ward , Ben Westbrook , Nathan Whitehorn , Jason Williams , Joel Williams , Edward Wollack , Zhilei Xu , Siavash Yasini , Edward Young , Byeonghee Yu , Cyndia Yu , Fernando Zago , Mario Zannoni , Hezi Zhang , Kaiwen Zheng , Ningfeng Zhu , Andrea Zonca

The Simons Observatory: Alarms and Detector Quality Monitoring

The Simons Observatory (SO) is a group of modern telescopes dedicated to observing the polarized cosmic microwave background (CMB), transients, and more. The Observatory consists of four telescopes and instruments, with over 60,000…

Instrumentation and Methods for Astrophysics · Physics 2025-10-07 David V. Nguyen , Sanah Bhimani , Nicholas Galitzki , Brian J. Koopman , Jack Lashner , Laura Newburgh , Max Silva-Feaver , Kyohei Yamada

An overall view of temperature oscillations in the solar chromosphere with ALMA

By direct measurements of the gas temperature, the Atacama Large Millimeter/sub-millimeter Array (ALMA) has yielded a new diagnostic tool to study the solar chromosphere. Here we present an overview of the brightness-temperature…

Solar and Stellar Astrophysics · Physics 2020-12-24 Shahin Jafarzadeh , Sven Wedemeyer , Bernhard Fleck , Marco Stangalini , David B. Jess , Richard J. Morton , Mikolaj Szydlarski , Vasco M. J. Henriques , Xiaoshuai Zhu , Thomas Wiegelmann , Juan C. Guevara Gómez , Samuel D. T. Grant , Bin Chen , Kevin Reardon , Stephen M. White

Archeops results

\Archeops is a balloon--borne instrument dedicated to measuring cosmic microwave background (CMB) temperature anisotropies at high angular resolution ($\sim$ 12 arcmin.) over a large fraction (30%) of the sky in the (sub)millimetre domain…

Astrophysics · Physics 2016-08-16 J. -Ch. Hamilton , A. Benoît , the Archeops Collaboration

High-Angular-Resolution and High-Sensitivity Science Enabled by Beamformed ALMA

An international consortium is presently constructing a beamformer for the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile that will be available as a facility instrument. The beamformer will aggregate the entire collecting…

Instrumentation and Methods for Astrophysics · Physics 2016-03-27 Vincent Fish , Walter Alef , James Anderson , Keiichi Asada , Alain Baudry , Avery Broderick , Chris Carilli , Francisco Colomer , John Conway , Jason Dexter , Sheperd Doeleman , Ralph Eatough , Heino Falcke , Sándor Frey , Krisztina Gabányi , Roberto Gálvan-Madrid , Charles Gammie , Marcello Giroletti , Ciriaco Goddi , Jose L. Gómez , Kazuhiro Hada , Michael Hecht , Mareki Honma , Elizabeth Humphreys , Violette Impellizzeri , Tim Johannsen , Svetlana Jorstad , Motoki Kino , Elmar Körding , Michael Kramer , Thomas Krichbaum , Nadia Kudryavtseva , Robert Laing , Joseph Lazio , Abraham Loeb , Ru-Sen Lu , Thomas Maccarone , Alan Marscher , Iván Mart'ı-Vidal , Carlos Martins , Lynn Matthews , Karl Menten , Jon Miller , James Miller-Jones , Félix Mirabel , Sebastien Muller , Hiroshi Nagai , Neil Nagar , Masanori Nakamura , Zsolt Paragi , Nicolas Pradel , Dimitrios Psaltis , Scott Ransom , Luis Rodríguez , Helge Rottmann , Anthony Rushton , Zhi-Qiang Shen , David Smith , Benjamin Stappers , Rohta Takahashi , Andrea Tarchi , Remo Tilanus , Joris Verbiest , Wouter Vlemmings , R. Craig Walker , John Wardle , Kaj Wiik , Erik Zackrisson , J. Anton Zensus

MAXIMA: an experiment to measure temperature anisotropy in the cosmic microwave background

We describe the MAXIMA experiment, a balloon-borne measurement designed to map temperature anisotropy in the Cosmic Microwave Background (CMB) over a wide range of angular scales (multipole range 80 < l < 800). The experiment consists of a…

Astrophysics · Physics 2009-10-31 A. T. Lee , P. Ade , A. Balbi , J. Bock , J. Borrill , A. Boscaleri , B. P. Crill , P. De Bernardis , H. Del Castillo , P. Ferreira , K. Ganga , S. Hanany , V. Hristov , A. H. Jaffe , A. E. Lange , P. Mauskopf , C. B. Netterfield , S. Oh , E. Pascale , B. Rabii , P. L. Richards , J. Ruhl , G. F. Smoot , C. D. Winant

Simons Observatory: Characterization of the Large Aperture Telescope Receiver

The Simons Observatory (SO) is a ground-based cosmic microwave background (CMB) survey experiment that currently consists of three 0.42m small-aperture telescopes (SATs) and one 6m large-aperture telescope (LAT), located at an elevation of…

Instrumentation and Methods for Astrophysics · Physics 2025-01-17 Tanay Bhandarkar , Saianeesh K. Haridas , Jeff Iuliano , Anna Kofman , Alex Manduca , Karen Perez Sarmiento , John Orlowski-Scherer , Thomas P. Satterthwaite , Yuhan Wang , Zeeshan Ahmed , Jason E. Austermann , Kyuyoung Bae , Gabriele Coppi , Mark J. Devlin , Simon R Dicker , Peter N. Dow , Shannon M. Duff , Daniel Dutcher , Nicholas Galitzki , Jon E. Gudmundsson , Shawn W. Henderson , Johannes Hubmayr , Bradley R. Johnson , Matthew A. Koc , Brian J. Koopman , Michele Limon , Michael J Link , Tammy J. Lucas , Jenna E. Moore , Federico Nati , Michael D. Niemack , Carlos E. Sierra , Max Silva-Feaver , Robinjeet Singh , Suzanne T. Staggs , Rita F. Sonka , Robert J. Thornton , Tran Tsan , Jeff L. Van Lanen , Eve M. Vavagiakis , Michael R Vissers , Liam Walters , Mario Zannoni , Kaiwen Zheng

The Atacama Large Millimeter/submillimeter Array: Overview & status

The Atacama Large Millimeter/submillimeter Array (ALMA) is an international radio telescope under construction in the Atacama Desert of northern Chile. ALMA will be situated on a high-altitude site at 5000 m elevation which provides…

Astrophysics · Physics 2011-04-11 A. J. Beasley , R. Murowinski , M. Tarenghi

PROTOCALC, A W-band polarized calibrator for CMB Telescopes: application to Simons Observatory and CLASS

Current- and next-generation Cosmic Microwave Background (CMB) experiments will measure polarization anisotropies with unprecedented sensitivities. The need for high precision in these measurements underscores the importance of gaining a…

Instrumentation and Methods for Astrophysics · Physics 2025-06-02 Gabriele Coppi , Nadia Dachlythra , Federico Nati , Rolando Dünner-Planella , Alexandre E. Adler , Josquin Errard , Nicholas Galitzki , Yunyang Li , Matthew A. Petroff , Sara M. Simon , Ema Tsang King Sang , Amalia Villarrubia Aguilar , Edward J. Wollack , Mario Zannoni

The Atacama Cosmology Telescope (ACT): Beam Profiles and First SZ Cluster Maps

The Atacama Cosmology Telescope (ACT) is currently observing the cosmic microwave background with arcminute resolution at 148 GHz, 218 GHz, and 277 GHz. In this paper, we present ACT's first results. Data have been analyzed using a…

Cosmology and Nongalactic Astrophysics · Physics 2010-12-23 A. D. Hincks , V. Acquaviva , P. Ade , P. Aguirre , M. Amiri , J. W. Appel , L. F. Barrientos , E. S. Battistelli , J. R. Bond , B. Brown , B. Burger , J. Chervenak , S. Das , M. J. Devlin , S. Dicker , W. B. Doriese , J. Dunkley , R. Dünner , T. Essinger-Hileman , R. P. Fisher , J. W. Fowler , A. Hajian , M. Halpern , M. Hasselfield , C. Hernández-Monteagudo , G. C. Hilton , M. Hilton , R. Hlozek , K. Huffenberger , D. Hughes , J. P. Hughes , L. Infante , K. D. Irwin , R. Jimenez , J. B. Juin , M. Kaul , J. Klein , A. Kosowsky , J. M. Lau , M. Limon , Y. -T. Lin , R. H. Lupton , T. Marriage , D. Marsden , K. Martocci , P. Mauskopf , F. Menanteau , K. Moodley , H. Moseley , C. B. Netterfield , M. D. Niemack , M. R. Nolta , L. A. Page , L. Parker , B. Partridge , H. Quintana , B. Reid , N. Sehgal , J. Sievers , D. N. Spergel , S. T. Staggs , O. Stryzak , D. Swetz , E. Switzer , R. Thornton , H. Trac , C. Tucker , L. Verde , R. Warne , G. Wilson , E. Wollack , Y. Zhao

QUaD: A High-Resolution Cosmic Microwave Background Polarimeter

We describe the QUaD experiment, a millimeter-wavelength polarimeter designed to observe the Cosmic Microwave Background (CMB) from a site at the South Pole. The experiment comprises a 2.64 m Cassegrain telescope equipped with a…

Astrophysics · Physics 2011-02-11 QUaD collaboration , J. R. Hinderks , P. Ade , J. Bock , M. Bowden , M. L. Brown , G. Cahill , J. E. Carlstrom , P. G. Castro , S. Church , T. Culverhouse , R. Friedman , K. Ganga , W. K. Gear , S. Gupta , J. Harris , V. Haynes , B. G. Keating , J. Kovac , E. Kirby , A. E. Lange , E. Leitch , O. E. Mallie , S. Melhuish , Y. Memari , J. A. Murphy , A. Orlando , R. Schwarz , C. O'Sullivan , L. Piccirillo , C. Pryke , N. Rajguru , B. Rusholme , A. N. Taylor , K. L. Thompson , C. Tucker , A. H. Turner , E. Y. S. Wu , M. Zemcov

Measurement of Cosmic Microwave Background Polarization Power Spectra from Two Years of BICEP Data

Background Imaging of Cosmic Extragalactic Polarization (BICEP) is a bolometric polarimeter designed to measure the inflationary B-mode polarization of the cosmic microwave background (CMB) at degree angular scales. During three seasons of…

Cosmology and Nongalactic Astrophysics · Physics 2010-02-25 H. C. Chiang , P. A. R. Ade , D. Barkats , J. O. Battle , E. M. Bierman , J. J. Bock , C. D. Dowell , L. Duband , E. F. Hivon , W. L. Holzapfel , V. V. Hristov , W. C. Jones , B. G. Keating , J. M. Kovac , C. L. Kuo , A. E. Lange , E. M. Leitch , P. V. Mason , T. Matsumura , H. T. Nguyen , N. Ponthieu , C. Pryke , S. Richter , G. Rocha , C. Sheehy , Y. D. Takahashi , J. E. Tolan , K. W. Yoon

The Atacama Cosmology Telescope: measuring radio galaxy bias through cross-correlation with lensing

We correlate the positions of radio galaxies in the FIRST survey with the CMB lensing convergence estimated from the Atacama Cosmology Telescope over 470 square degrees to determine the bias of these galaxies. We remove optically…

Cosmology and Nongalactic Astrophysics · Physics 2015-08-06 Rupert Allison , Sam N. Lindsay , Blake D. Sherwin , Francesco de Bernardis , J. Richard Bond , Erminia Calabrese , Mark J. Devlin , Joanna Dunkley , Patricio Gallardo , Shawn Henderson , Adam D. Hincks , Renee Hlozek , Matt Jarvis , Arthur Kosowsky , Thibaut Louis , Mathew Madhavacheril , Jeff McMahon , Kavilan Moodley , Sigurd Naess , Laura Newburgh , Michael D. Niemack , Lyman A. Page , Bruce Partridge , Neelima Sehgal , David N. Spergel , Suzanne T. Staggs , Alexander van Engelen , Edward J. Wollack

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

High-impedence NbSi TES sensors for studying the cosmic microwave background radiation

Precise measurements of the cosmic microwave background (CMB) are crucial in cosmology, because any proposed model of the universe must account for the features of this radiation. Of all CMB measurements that the scientific community has…

Instrumentation and Methods for Astrophysics · Physics 2013-07-08 Claudia Nones , Stefanos Marnieros , Alain Benoit , Laurent Bergé , Aurelien Bideau , Philippe Camus , Louis Dumoulin , Alessandro Monfardini , Olivier Rigaut

Current Status and Perspectives of Cosmic Microwave Background Observations

Measurements of the cosmic microwave background (CMB) radiation provide a unique opportunity for a direct study of the primordial cosmic plasma at redshift z ~1000. The angular power spectra of temperature and polarisation fluctuations are…

Astrophysics · Physics 2009-11-10 Marco Bersanelli , Davide Maino , Aniello Mennella

Characterization of foreground emission at degree angular scale for CMB B-modes observations. Thermal Dust and Synchrotron signal from Planck and WMAP data

We quantify the contamination from polarized diffuse Galactic synchrotron and thermal dust emissions to the B-modes of the CMB anisotropies on the degree angular scale, using data from the Planck and WMAP satellites. We compute power…

Cosmology and Nongalactic Astrophysics · Physics 2016-03-23 N. Krachmalnicoff , C. Baccigalupi , J. Aumont , M. Bersanelli , A. Mennella

Detection of Polarization in the Cosmic Microwave Background using DASI

We report the detection of polarized anisotropy in the Cosmic Microwave Background radiation with the Degree Angular Scale Interferometer (DASI), located at the Amundsen-Scott South Pole research station. Observations in all four Stokes…

Astrophysics · Physics 2011-05-05 J. Kovac , E. M. Leitch , C. Pryke , J. E. Carlstrom , N. W. Halverson , W. L. Holzapfel