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

Readout of two-kilopixel transition-edge sensor arrays for Advanced ACTPol

Advanced ACTPol is an instrument upgrade for the six-meter Atacama Cosmology Telescope (ACT) designed to measure the cosmic microwave background (CMB) temperature and polarization with arcminute-scale angular resolution. To achieve its…

Instrumentation and Methods for Astrophysics · Physics 2017-01-18 Shawn W. Henderson , Jason R. Stevens , Mandana Amiri , Jason Austermann , James A. Beall , Saptarshi Chaudhuri , Hsiao-Mei Cho , Steve K. Choi , Nicholas F. Cothard , Kevin T. Crowley , Shannon M. Duff , Colin P. Fitzgerald , Patricio A. Gallardo , Mark Halpern , Matthew Hasselfield , Gene Hilton , Shuay-Pwu Patty Ho , Johannes Hubmayr , Kent D. Irwin , Brian J. Koopman , Dale Li , Yaqiong Li , Jeff McMahon , Federico Nati , Michael D. Niemack , Carl D. Reintsema , Maria Salatino , Alessandro Schillaci , Benjamin L. Schmitt , Sara M. Simon , Suzanne T. Staggs , Eve M. Vavagiakis , Jonathan T. Ward

Detection of the Power Spectrum of Cosmic Microwave Background Lensing by the Atacama Cosmology Telescope

We report the first detection of the gravitational lensing of the cosmic microwave background through a measurement of the four-point correlation function in the temperature maps made by the Atacama Cosmology Telescope. We verify our…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-19 Sudeep Das , Blake D. Sherwin , Paula Aguirre , John W. Appel , J. Richard Bond , C. Sofia Carvalho , Mark J. Devlin , Joanna Dunkley , Rolando Dunner , Thomas Essinger-Hileman , Joseph W. Fowler , Amir Hajian , Mark Halpern , Matthew Hasselfield , Adam D. Hincks , Renee Hlozek , Kevin M. Huffenberger , John P. Hughes , Kent D. Irwin , Jeff Klein , Arthur Kosowsky , Robert H. Lupton , Tobias A. Marriage , Danica Marsden , Felipe Menanteau , Kavilan Moodley , Michael D. Niemack , Michael R. Nolta , Lyman A. Page , Lucas Parker , Erik D. Reese , Benjamin L. Schmitt , Neelima Sehgal , Jon Sievers , David N. Spergel , Suzanne T. Staggs , Daniel S. Swetz , Eric R. Switzer , Robert Thornton , Katerina Visnjic , Ed Wollack

A physical optics characterization of the beam shape and sidelobe levels for the Atacama Large Aperture Submillimeter Telescope (AtLAST)

(abridged) The Atacama Large Aperture Submillimeter Telescope (AtLAST) is undergoing a design study for a large (50 meter) single-dish submm-wavelength Ritchey-Chr\'etien telescope to be located 5050 meters above sea level in the Atacama…

Instrumentation and Methods for Astrophysics · Physics 2024-09-11 Roberto Puddu , Patricio A. Gallardo , Tony Mroczkowski , Pierre Dubois-dit-Bonclaude , Manuel Groh , Aleksej Kiselev , Matthias Reichert , Martin Timpe , Claudia Cicone , Hans J. Kaercher , Rolando Dünner

COSMOSOMAS Observations of the CMB and Galactic Foregrounds at 11 GHz: Evidence for anomalous microwave emission at high Galactic Latitude

We present observations with the new 11 GHz radiometer of the COSMOSOMAS experiment at the Teide Observatory (Tenerife). The sky region between 0 deg <= RA <= 360 deg and 26 deg <= DEC 49 deg (ca. 6500 square degrees) was observed with an…

Astrophysics · Physics 2009-11-13 S. R. Hildebrandt , R. Rebolo , J. A. Rubiño-Martín , R. A. Watson , C. M. Gutiérrez , R. J. Hoyland , E. S. Battistelli

Designs for next generation CMB survey strategies from Chile

New telescopes are being built to measure the Cosmic Microwave Background (CMB) with unprecedented sensitivity, including Simons Observatory (SO), CCAT-prime, the BICEP Array, SPT-3G, and CMB Stage-4. We present observing strategies for…

Instrumentation and Methods for Astrophysics · Physics 2018-08-16 Jason R. Stevens , Neil Goeckner-Wald , Reijo Keskitalo , Nialh McCallum , Aamir Ali , Julian Borrill , Michael L. Brown , Yuji Chinone , Patricio A. Gallardo , Akito Kusaka , Adrian T. Lee , Jeff McMahon , Michael D. Niemack , Lyman Page , Giuseppe Puglisi , Maria Salatino , Suet Ying D. Mak , Grant Teply , Daniel B. Thomas , Eve M. Vavagiakis , Edward J. Wollack , Zhilei Xu , Ningfeng Zhu

The Atacama Cosmology Telescope: A CMB lensing mass map over 2100 square degrees of sky and its cross-correlation with BOSS-CMASS galaxies

We construct cosmic microwave background lensing mass maps using data from the 2014 and 2015 seasons of observations with the Atacama Cosmology Telescope (ACT). These maps cover 2100 square degrees of sky and overlap with a wide variety of…

Cosmology and Nongalactic Astrophysics · Physics 2020-11-18 Omar Darwish , Mathew S. Madhavacheril , Blake Sherwin , Simone Aiola , Nicholas Battaglia , James A. Beall , Daniel T. Becker , J. Richard Bond , Erminia Calabrese , Steve Choi , Mark J. Devlin , Jo Dunkley , Rolando Dünner , Simone Ferraro , Anna E. Fox , Patricio A. Gallardo , Yilun Guan , Mark Halpern , Dongwon Han , Matthew Hasselfield , J. Colin Hill , Gene C. Hilton , Matt Hilton , Adam D. Hincks , Shuay-Pwu Patty Ho , J. Hubmayr , John P. Hughes , Brian J. Koopman , Arthur Kosowsky , J. Van Lanen , Thibaut Louis , Marius Lungu , Amanda MacInnis , Loïc Maurin , Jeffrey McMahon , Kavilan Moodley , Sigurd Naess , Toshiya Namikawa , Laura Newburgh , John P. Nibarger , Micheal D. Niemack , Lyman A. Page , Bruce Partridge , Frank J. Qu , Naomi Robertson , Benjamin Schmitt , Neelima Sehgal , Cristóbal Sifón , David N. Spergel , Suzanne Staggs , Emilie Storer , Alexander van Engelen , Edward J. Wollack

The Atacama Cosmology Telescope: Cross Correlation with Planck maps

We present the temperature power spectrum of the Cosmic Microwave Background obtained by cross-correlating maps from the Atacama Cosmology Telescope (ACT) at 148 and 218 GHz with maps from the Planck satellite at 143 and 217 GHz, in two…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-19 Thibaut Louis , Graeme E. Addison , Matthew Hasselfield , J Richard Bond , Erminia Calabrese , Sudeep Das , Mark J. Devlin , Joanna Dunkley , Rolando Dünner , Megan Gralla , Amir Hajian , Adam D. Hincks , Renée Hlozek , Kevin Huffenberger , Leopoldo Infante , Arthur Kosowsky , Tobias A. Marriage , Kavilan Moodley , Sigurd Næss , Michael D. Niemack , Michael R. Nolta , Lyman A. Page , Bruce Partridge , Neelima Sehgal , Jonathan L. Sievers , David N. Spergel , Suzanne T. Staggs , Benjamin Z. Walter , Edward J. Wollack

Advanced ACTPol TES Device Parameters and Noise Performance in Fielded Arrays

The Advanced ACTPol (AdvACT) upgrade to the Atacama Cosmology Telescope (ACT) features arrays of aluminum manganese transition-edge sensors (TESes) optimized for ground-based observations of the Cosmic Microwave Background (CMB). Array…

Instrumentation and Methods for Astrophysics · Physics 2018-08-15 Kevin T. Crowley , Jason E. Austermann , Steve K. Choi , Shannon M. Duff , Patricio A. Gallardo , Shuay-Pwu Patty Ho , Johannes Hubmayr , Brian J. Koopman , Federico Nati , Michael D. Niemack , Maria Salatino , Sara M. Simon , Suzanne T. Staggs , Jason R. Stevens , Joel N. Ullom , Eve M. Vavagiakis , Edward J. Wollack

The Atacama Cosmology Telescope: DR6 Constraints on Extended Cosmological Models

We use new cosmic microwave background (CMB) primary temperature and polarization anisotropy measurements from the Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) to test foundational assumptions of the standard cosmological model…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-25 Erminia Calabrese , J. Colin Hill , Hidde T. Jense , Adrien La Posta , Irene Abril-Cabezas , Graeme E. Addison , Peter A. R. Ade , Simone Aiola , Tommy Alford , David Alonso , Mandana Amiri , Rui An , Zachary Atkins , Jason E. Austermann , Eleonora Barbavara , Nicola Barbieri , Nicholas Battaglia , Elia Stefano Battistelli , James A. Beall , Rachel Bean , Ali Beheshti , Benjamin Beringue , Tanay Bhandarkar , Emily Biermann , Boris Bolliet , J Richard Bond , Valentina Capalbo , Felipe Carrero , Shi-Fan Chen , Grace Chesmore , Hsiao-mei Cho , Steve K. Choi , Susan E. Clark , Nicholas F. Cothard , Kevin Coughlin , William Coulton , Devin Crichton , Kevin T. Crowley , Omar Darwish , Mark J. Devlin , Simon Dicker , Cody J. Duell , Shannon M. Duff , Adriaan J. Duivenvoorden , Jo Dunkley , Rolando Dunner , Carmen Embil Villagra , Max Fankhanel , Gerrit S. Farren , Simone Ferraro , Allen Foster , Rodrigo Freundt , Brittany Fuzia , Patricio A. Gallardo , Xavier Garrido , Martina Gerbino , Serena Giardiello , Ajay Gill , Jahmour Givans , Vera Gluscevic , Samuel Goldstein , Joseph E. Golec , Yulin Gong , Yilun Guan , Mark Halpern , Ian Harrison , Matthew Hasselfield , Adam He , Erin Healy , Shawn Henderson , Brandon Hensley , Carlos Hervías-Caimapo , Gene C. Hilton , Matt Hilton , Adam D. Hincks , Renée Hložek , Shuay-Pwu Patty Ho , John Hood , Erika Hornecker , Zachary B. Huber , Johannes Hubmayr , Kevin M. Huffenberger , John P. Hughes , Margaret Ikape , Kent Irwin , Giovanni Isopi , Neha Joshi , Ben Keller , Joshua Kim , Kenda Knowles , Brian J. Koopman , Arthur Kosowsky , Darby Kramer , Aleksandra Kusiak , Alex Lague , Victoria Lakey , Massimiliano Lattanzi , Eunseong Lee , Yaqiong Li , Zack Li , Michele Limon , Martine Lokken , Thibaut Louis , Marius Lungu , Niall MacCrann , Amanda MacInnis , Mathew S. Madhavacheril , Diego Maldonado , Felipe Maldonado , Maya Mallaby-Kay , Gabriela A. Marques , Joshiwa van Marrewijk , Fiona McCarthy , Jeff McMahon , Yogesh Mehta , Felipe Menanteau , Kavilan Moodley , Thomas W. Morris , Tony Mroczkowski , Sigurd Naess , Toshiya Namikawa , Federico Nati , Simran K. Nerval , Laura Newburgh , Andrina Nicola , Michael D. Niemack , Michael R. Nolta , John Orlowski-Scherer , Luca Pagano , Lyman A. Page , Shivam Pandey , Bruce Partridge , Karen Perez Sarmiento , Heather Prince , Roberto Puddu , Frank J. Qu , Damien C. Ragavan , Bernardita Ried Guachalla , Keir K. Rogers , Felipe Rojas , Tai Sakuma , Emmanuel Schaan , Benjamin L. Schmitt , Neelima Sehgal , Shabbir Shaikh , Blake D. Sherwin , Carlos Sierra , Jon Sievers , Cristóbal Sifón , Sara Simon , Rita Sonka , David N. Spergel , Suzanne T. Staggs , Emilie Storer , Kristen Surrao , Eric R. Switzer , Niklas Tampier , Leander Thiele , Robert Thornton , Hy Trac , Carole Tucker , Joel Ullom , Leila R. Vale , Alexander Van Engelen , Jeff Van Lanen , Cristian Vargas , Eve M. Vavagiakis , Kasey Wagoner , Yuhan Wang , Lukas Wenzl , Edward J. Wollack , Kaiwen Zheng

The Atacama Cosmology Telescope: Beam Measurements and the Microwave Brightness Temperatures of Uranus and Saturn

We describe the measurement of the beam profiles and window functions for the Atacama Cosmology Telescope (ACT), which operated from 2007 to 2010 with kilo-pixel bolometer arrays centered at 148, 218, and 277 GHz. Maps of Saturn are used to…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 Matthew Hasselfield , Kavilan Moodley , J. Richard Bond , Sudeep Das , Mark J. Devlin , Joanna Dunkley , Rolando Dunner , Joseph W. Fowler , Patricio Gallardo , Megan B. Gralla , Amir Hajian , Mark Halpern , Adam D. Hincks , Tobias A. Marriage , Danica Marsden , Michael D. Niemack , Michael R. Nolta , Lyman A. Page , Bruce Partridge , Benjamin L. Schmitt , Neelima Sehgal , Jon Sievers , Suzanne T. Staggs , Daniel S. Swetz , Eric R. Switzer , Edward J. Wollack

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

ABS: an Analytical method of Blind Separation of CMB from foregrounds

Extracting CMB B-mode polarization from complicated foregrounds is a challenging task in searching for inflationary gravitational waves. We propose the ABS method as a blind and analytical solution to this problem. It applies to the…

Cosmology and Nongalactic Astrophysics · Physics 2019-01-09 Pengjie Zhang , Jun Zhang , Le Zhang

BICEP2 I: Detection Of B-mode Polarization at Degree Angular Scales

(abridged for arXiv) We report results from the BICEP2 experiment, a cosmic microwave background (CMB) polarimeter specifically designed to search for the signal of inflationary gravitational waves in the B-mode power spectrum around…

Cosmology and Nongalactic Astrophysics · Physics 2014-06-24 P. A. R Ade , R. W. Aikin , D. Barkats , S. J. Benton , C. A. Bischoff , J. J. Bock , J. A. Brevik , I. Buder , E. Bullock , C. D. Dowell , L. Duband , J. P. Filippini , S. Fliescher , S. R. Golwala , M. Halpern , M. Hasselfield , S. R. Hildebrandt , G. C. Hilton , V. V. Hristov , K. D. Irwin , K. S. Karkare , J. P. Kaufman , B. G. Keating , S. A. Kernasovskiy , J. M. Kovac , C. L. Kuo , E. M. Leitch , M. Lueker , P. Mason , C. B. Netterfield , H. T. Nguyen , R. O'Brient , R. W. Ogburn , A. Orlando , C. Pryke , C. D. Reintsema , S. Richter , R. Schwarz , C. D. Sheehy , Z. K. Staniszewski , R. V. Sudiwala , G. P. Teply , J. E. Tolan , A. D. Turner , A. G. Vieregg , C. L. Wong , K. W. Yoon

Polarized Diffuse Emission at 2.3 GHz in a High Galactic Latitude Area

Polarized diffuse emission observations at 2.3 GHz in a high Galactic latitude area are presented. The 2\degr X 2\degr field, centred in (\alpha=5^h,\delta=-49\degr), is located in the region observed by the BOOMERanG experiment. Our…

Astrophysics · Physics 2009-11-10 E. Carretti , D. McConnell , N. M. McClure-Griffiths , G. Bernardi , S. Cortiglioni , S. Poppi

The 90 and 150 GHz universal focal-plane modules for the Simons Observatory

The Simons Observatory (SO) is a suite of telescopes located in the Atacama Desert in Chile that will make sensitive measurements of the cosmic microwave background. There are a host of cosmological and astrophysical questions that SO is…

Instrumentation and Methods for Astrophysics · Physics 2021-12-03 Heather McCarrick , Kam Arnold , Zachary Atkins , Jason Austermann , Tanay Bhandarkar , Steve K. Choi , Cody J. Duell , Shannon M. Duff , Daniel Dutcher , Nicholas Galitzk , Erin Healy , Zachary B. Huber , Johannes Hubmayr , Bradley R. Johnson , Michael D. Niemack , Joseph Seibert , Maximiliano Silva-Feaver , Rita F. Sonka , Suzanne T. Staggs , Eve M. Vavagiakis , Yuhan Wang , Zhilei Xu , Kaiwen Zheng , Ningfeng Zhu

The BOOMERANG North America Instrument: a balloon-borne bolometric radiometer optimized for measurements of cosmic background radiation anisotropies from 0.3 to 4 degrees

We describe the BOOMERANG North America (BNA) instrument, a balloon-borne bolometric radiometer designed to map the Cosmic Microwave Background (CMB) radiation with 0.3 deg resolution over a significant portion of the sky. This receiver…

Astrophysics · Physics 2009-11-06 F. Piacentini , P. A. R. Ade , R. Bathia , J. J. Bock , A. Boscaleri , P. Cardoni , B. P. Crill , P. de Bernardis , H. Del Castillo , G. de Troia , P. Farese , M. Giacometti , E. F. Hivon , V. V. Hristov , A. Iacoangeli , A. E. Lange , S. Masi , P. D. Mauskopf , L. Miglio , C. B. Netterfield , P. Palangio , E. Pascale , A. Raccanelli , S. Rao , G. Romeo , J. Ruhl , F. Scaramuzzi

Measuring Polarization with DASI

We describe an experiment to measure the polarization of the Cosmic Microwave Background (CMB) with the Degree Angular Scale Interferometer (DASI), a compact microwave interferometer optimized to detect CMB anisotropy at multipoles 140 to…

Astrophysics · Physics 2015-06-24 E. M. Leitch , J. M. Kovac , C. Pryke , B. Reddall , E. S. Sandberg , M. Dragovan , J. E. Carlstrom , N. W. Halverson , W. L. Holzapfel

Degree-Scale CMB Polarization Measurements from Three Years of BICEP1 Data

BICEP1 is a millimeter-wavelength telescope designed specifically to measure the inflationary B-mode polarization of the Cosmic Microwave Background (CMB) at degree angular scales. We present results from an analysis of the data acquired…

Cosmology and Nongalactic Astrophysics · Physics 2015-04-24 BICEP1 Collaboration , D. Barkats , R. Aikin , C. Bischoff , I. Buder , J. P. Kaufman , B. G. Keating , J. M. Kovac , M. Su , P. A. R. Ade , J. O. Battle , E. M. Bierman , J. J. Bock , H. C. Chiang , C. D. Dowell , L. Duband , J. Filippini , E. F. Hivon , W. L. Holzapfel , V. V. Hristov , W. C. Jones , C. L. Kuo , E. M. Leitch , P. V. Mason , T. Matsumura , H. T. Nguyen , N. Ponthieu , C. Pryke , S. Richter , G. Rocha , C. Sheehy , S. S. Kernasovskiy , Y. D. Takahashi , J. E. Tolan , K. W. Yoon

Observations of the Cosmic Microwave Background and Galactic Foregrounds at 12-17 GHz with the COSMOSOMAS Experiment

(Abridged) We present the analysis of the first 18 months of data obtained with the COSMOSOMAS experiment at the Teide Observatory (Tenerife). Three maps have been obtained at 12.7, 14.7 and 16.3 GHz covering 9000 square degrees each with a…

Astrophysics · Physics 2009-11-11 S. Fernandez-Cerezo , C. M. Gutierrez , R. Rebolo , R. A. Watson , R. J. Hoyland , S. R. Hildebrandt , J. A. Rubino-Martin , J. F. Macias-Perez , P. Sosa Molina

The Simons Observatory: Deployment and current configuration of the Observatory Control System for SAT-MF1 and data access software systems

The Simons Observatory (SO) is a Cosmic Microwave Background experiment located in the Atacama Desert in Chile. SO consists of three small aperture telescopes (SATs) and one large aperture telescope (LAT) with a total of 60,000 detectors in…

Instrumentation and Methods for Astrophysics · Physics 2024-07-24 Sanah Bhimani , Jack Lashner , Simone Aiola , Kevin T. Crowley , Nicholas Galitzki , Remington G. Geras , Kathleen Harrington , Matthew Hasselfield , Alyssa Johnson , Brian J. Koopman , Hironobu Nakata , Laura Newburgh , David V. Nguyen , Michael J. Randall , Max Silva-Feaver