Related papers: Cosmology Large Angular Scale Surveyor (CLASS): 90…

The Angular Trispectrum of the CMB

We study the general properties of the CMB temperature four-point function, specifically its harmonic analogue the angular trispectrum, and illustrate its utility in finding optimal quadratic statistics through the weak gravitational…

Astrophysics · Physics 2009-11-06 Wayne Hu

Measuring the Small-Scale Matter Power Spectrum with High-Resolution CMB Lensing

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

The Simons Observatory: Design, Optimization, and Performance of Low Frequency Detectors

The Simons Observatory (SO) is a cosmic microwave background (CMB) experiment located in the Atacama Desert in Chile that will make precise temperature and polarization measurements over six spectral bands ranging from 27 to 285 GHz. Three…

Instrumentation and Methods for Astrophysics · Physics 2024-12-03 Aashrita Mangu , Benjamin Westbrook , Shawn Beckman , Lance Corbett , Kevin T. Crowley , Daniel Dutcher , Bradley R. Johnson , Adrian T. Lee , Varun Kabra , Bhoomija Prasad , Suzanne T. Staggs , Aritoki Suzuki , Yuhan Wang , Kaiwen Zheng

The bolometric focal plane array of the Polarbear CMB experiment

The Polarbear Cosmic Microwave Background (CMB) polarization experiment is currently observing from the Atacama Desert in Northern Chile. It will characterize the expected B-mode polarization due to gravitational lensing of the CMB, and…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 K. Arnold , P. A. R. Ade , A. E. Anthony , D. Barron , D. Boettger , J. Borrill , S. Chapman , Y. Chinone , M. A. Dobbs , J. Errard , G. Fabbian , D. Flanigan , G. Fuller , A. Ghribi , W. Grainger , N. Halverson , M. Hasegawa , K. Hattori , M. Hazumi , W. L. Holzapfel , J. Howard , P. Hyland , A. Jaffe , B. Keating , Z. Kermish , T. Kisner , M. Le Jeune , A. T. Lee , E. Linder , M. Lungu , F. Matsuda , T. Matsumura , N. J. Miller , X. Meng , H. Morii , S. Moyerman , M. J. Myers , H. Nishino , H. Paar , E. Quealy , C. Reichardt , P. L. Richards , C. Ross , A. Shimizu , C. Shimmin , M. Shimon , M. Sholl , P. Siritanasak , H. Spieler , N. Stebor , B. Steinbach , R. Stompor , A. Suzuki , T. Tomaru , C. Tucker , O. Zahn

Weak Gravitational Lensing with COSMOS: Galaxy Selection and Shape Measurements

With a primary goal of conducting precision weak lensing measurements from space, the COSMOS survey has imaged the largest contiguous area observed by the Hubble Space Telescope (HST) to date using the Advanced Camera for Surveys (ACS).…

Astrophysics · Physics 2009-11-13 A. Leauthaud , R. Massey , J. P. Kneib , J. Rhodes , D. E. Johnston , P. Capak , C. Heymans , R. S. Ellis , A. M. Koekemoer , O. Le Fevre , Y. Mellier , A. Refregier , A. C. Robin , N. Scoville , L. Tasca , J. E. Taylor , L. Van Waerbeke

Southern Cosmology Survey I: Optical Cluster Detections and Predictions for the Southern Common-Area Millimeter-Wave Experiments

We present first results from the Southern Cosmology Survey, a new multiwavelength survey of the southern sky coordinated with the Atacama Cosmology Telescope (ACT), a recently commissioned ground-based mm-band Cosmic Microwave Background…

Astrophysics · Physics 2011-02-11 Felipe Menanteau , John P. Hughes , Raul Jimenez , Carlos Hernandez-Monteagudo , Licia Verde , Arthur Kosowsky , Kavilan Moodley , Leopoldo Infante , Nathan Roche

Probing Large-Angle Correlations with the Microwave Background Temperature and Lensing Cross Correlation

A lack of correlations in the microwave background temperature between sky directions separated by angles larger than 60 degrees has recently been confirmed by data from the Planck satellite. This feature arises as a random occurrence…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 A. Yoho , C. J. Copi , G. D. Starkman , A. Kosowsky

An Upper Limit to Arcminute Scale Anisotropy in the Cosmic Microwave Background Radiation at 142 GHz

We present limits to anisotropies in the cosmic microwave background radiation (CMB) at angular scales of a few arcminutes. The observations were made at a frequency of 142 GHz using a 6-element bolometer array (the Sunyaev-Zel'dovich…

Astrophysics · Physics 2009-10-30 S. E. Church , K. M. Ganga , P. A. R. Ade , W. L. Holzapfel , P. D. Mauskopf , T. M. Wilbanks , A. E. Lange

Weak lensing from space: first cosmological constraints from three-point shear statistics

We use weak lensing data from the Hubble Space Telescope COSMOS survey to measure the second- and third-moments of the cosmic shear field, estimated from about 450,000 galaxies with average redshift <z> ~ 1.3. We measure two- and…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Elisabetta Semboloni , Tim Schrabback , Ludovic van Waerbeke , Sanaz Vafaei , Jan Hartlap , Stefan Hilbert

Joint analysis of DES Year 3 data and CMB lensing from SPT and Planck II: Cross-correlation measurements and cosmological constraints

Cross-correlations of galaxy positions and galaxy shears with maps of gravitational lensing of the cosmic microwave background (CMB) are sensitive to the distribution of large-scale structure in the Universe. Such cross-correlations are…

Cosmology and Nongalactic Astrophysics · Physics 2023-02-15 C. Chang , Y. Omori , E. J. Baxter , C. Doux , A. Choi , S. Pandey , A. Alarcon , O. Alves , A. Amon , F. Andrade-Oliveira , K. Bechtol , M. R. Becker , G. M. Bernstein , F. Bianchini , J. Blazek , L. E. Bleem , H. Camacho , A. Campos , A. Carnero Rosell , M. Carrasco Kind , R. Cawthon , R. Chen , J. Cordero , T. M. Crawford , M. Crocce , C. Davis , J. DeRose , S. Dodelson , A. Drlica-Wagner , K. Eckert , T. F. Eifler , F. Elsner , J. Elvin-Poole , S. Everett , X. Fang , A. Ferté , P. Fosalba , O. Friedrich , M. Gatti , G. Giannini , D. Gruen , R. A. Gruendl , I. Harrison , K. Herner , H. Huang , E. M. Huff , D. Huterer , M. Jarvis , A. Kovacs , E. Krause , N. Kuropatkin , P. -F. Leget , P. Lemos , A. R. Liddle , N. MacCrann , J. McCullough , J. Muir , J. Myles , A. Navarro-Alsina , Y. Park , A. Porredon , J. Prat , M. Raveri , R. P. Rollins , A. Roodman , R. Rosenfeld , A. J. Ross , E. S. Rykoff , C. Sánchez , J. Sanchez , L. F. Secco , I. Sevilla-Noarbe , E. Sheldon , T. Shin , M. A. Troxel , I. Tutusaus , T. N. Varga , N. Weaverdyck , R. H. Wechsler , W. L. K. Wu , B. Yanny , B. Yin , Y. Zhang , J. Zuntz , T. M. C. Abbott , M. Aguena , S. Allam , J. Annis , D. Bacon , B. A. Benson , E. Bertin , S. Bocquet , D. Brooks , D. L. Burke , J. E. Carlstrom , J. Carretero , C. L. Chang , R. Chown , M. Costanzi , L. N. da Costa , A. T. Crites , M. E. S. Pereira , T. de Haan , J. De Vicente , S. Desai , H. T. Diehl , M. A. Dobbs , P. Doel , W. Everett , I. Ferrero , B. Flaugher , D. Friedel , J. Frieman , J. García-Bellido , E. Gaztanaga , E. M. George , T. Giannantonio , N. W. Halverson , S. R. Hinton , G. P. Holder , D. L. Hollowood , W. L. Holzapfel , K. Honscheid , J. D. Hrubes , D. J. James , L. Knox , K. Kuehn , O. Lahav , A. T. Lee , M. Lima , D. Luong-Van , M. March , J. J. McMahon , P. Melchior , F. Menanteau , S. S. Meyer , R. Miquel , L. Mocanu , J. J. Mohr , R. Morgan , T. Natoli , S. Padin , A. Palmese , F. Paz-Chinchón , A. Pieres , A. A. Plazas Malagón , C. Pryke , C. L. Reichardt , M. Rodríguez-Monroy , A. K. Romer , J. E. Ruhl , E. Sanchez , K. K. Schaffer , M. Schubnell , S. Serrano , E. Shirokoff , M. Smith , Z. Staniszewski , A. A. Stark , E. Suchyta , G. Tarle , D. Thomas , C. To , J. D. Vieira , J. Weller , R. Williamson

The Simons Observatory: Design, integration, and testing of the small aperture telescopes

The Simons Observatory (SO) is a cosmic microwave background (CMB) survey experiment that includes small-aperture telescopes (SATs) observing from an altitude of 5,200 m in the Atacama Desert in Chile. The SO SATs will cover six spectral…

Instrumentation and Methods for Astrophysics · Physics 2024-05-13 Nicholas Galitzki , Tran Tsan , Jake Spisak , Michael Randall , Max Silva-Feaver , Joseph Seibert , Jacob Lashner , Shunsuke Adachi , Sean M. Adkins , Thomas Alford , Kam Arnold , Peter C. Ashton , Jason E. Austermann , Carlo Baccigalupi , Andrew Bazarko , James A. Beall , Sanah Bhimani , Bryce Bixler , Gabriele Coppi , Lance Corbett , Kevin D. Crowley , Kevin T. Crowley , Samuel Day-Weiss , Simon Dicker , Peter N. Dow , Cody J. Duell , Shannon M. Duff , Remington G. Gerras , John C. Groh , Jon E. Gudmundsson , Kathleen Harrington , Masaya Hasegawa , Erin Healy , Shawn W. Henderson , Johannes Hubmayr , Jeffrey Iuliano , Bradley R. Johnson , Brian Keating , Ben Keller , Kenji Kiuchi , Anna M. Kofman , Brian J. Koopman , Akito Kusaka , Adrian T. Lee , Richard A. Lew , Lawrence T. Lin , Michael J Link , Tammy J. Lucas , Marius Lungu , Aashrita Mangu , Jeffrey J McMahon , Amber D. Miller , Jenna E. Moore , Magdy Morshed , Hironobu Nakata , Federico Nati , Laura B. Newburgh , David V. Nguyen , Michael D. Niemack , Lyman A. Page , Kana Sakaguri , Yuki Sakurai , Mayuri Sathyanarayana Rao , Lauren J. Saunders , Jordan E. Shroyer , Junna Sugiyama , Osamu Tajima , Atsuto Takeuchi , Refilwe Tanah Bua , Grant Teply , Tomoki Terasaki , Joel N. Ullom , Jeffrey L. Van Lanen , Eve M. Vavagiakis , Michael R Vissers , Liam Walters , Yuhan Wang , Zhilei Xu , Kyohei Yamada , Kaiwen Zheng

Design and characterization of a ground-based absolute polarization calibrator for use with polarization sensitive CMB experiments

We present the design and characterization of a ground-based absolute polarization angle calibrator accurate to better than 0.1 degrees for use with polarization sensitive cosmic microwave background (CMB) experiments. The calibrator's…

Instrumentation and Methods for Astrophysics · Physics 2018-09-07 M. F. Navaroli , G. P. Teply , K. D. Crowley , J. P. Kaufman , N. B. Galitzki , K. S. Arnold , B. G. Keating

Cosmology from Cross-Correlation of ACT-DR4 CMB Lensing and DES-Y3 Cosmic Shear

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

A Measurement of the Cosmic Microwave Background $B$-Mode Polarization Power Spectrum at Sub-Degree Scales from 2 years of POLARBEAR Data

We report an improved measurement of the cosmic microwave background (CMB) $B$-mode polarization power spectrum with the POLARBEAR experiment at 150 GHz. By adding new data collected during the second season of observations (2013-2014) to…

Cosmology and Nongalactic Astrophysics · Physics 2017-10-31 The POLARBEAR Collaboration , P. A. R. Ade , M. Aguilar , Y. Akiba , K. Arnold , C. Baccigalupi , D. Barron , D. Beck , F. Bianchini , D. Boettger , J. Borrill , S. Chapman , Y. Chinone , K. Crowley , A. Cukierman , M. Dobbs , A. Ducout , R. Dünner , T. Elleflot , J. Errard , G. Fabbian , S. M. Feeney , C. Feng , T. Fujino , N. Galitzki , A. Gilbert , N. Goeckner-Wald , J. Groh , T. Hamada , G. Hall , N. W. Halverson , M. Hasegawa , M. Hazumi , C. Hill , L. Howe , Y. Inoue , G. C. Jaehnig , A. H. Jaffe , O. Jeong , D. Kaneko , N. Katayama , B. Keating , R. Keskitalo , T. Kisner , N. Krachmalnicoff , A. Kusaka , M. Le Jeune , A. T. Lee , E. M. Leitch , D. Leon , E. Linder , L. Lowry , F. Matsuda , T. Matsumura , Y. Minami , J. Montgomery , M. Navaroli , H. Nishino , H. Paar , J. Peloton , A. T. P. Pham , D. Poletti , G. Puglisi , C. L. Reichardt , P. L. Richards , C. Ross , Y. Segawa , B. D. Sherwin , M. Silva-Feaver , P. Siritanasak , N. Stebor , R. Stompor , A. Suzuki , O. Tajima , S. Takakura , S. Takatori , D. Tanabe , G. P. Teply , T. Tomaru , C. Tucker , N. Whitehorn , A. Zahn

Weak Lensing Results from the 75 Square Degree CTIO Survey

We measure seeing-corrected ellipticities for 2 x 10^6 galaxies with magnitude R<23 in 12 widely separated fields totalling 75 deg^2 of sky. At angular scales >30\arcmin, ellipticity correlations are detected at high significance and…

Astrophysics · Physics 2015-06-24 M. Jarvis , G. Bernstein , B. Jain , P. Fischer , D. Smith , J. A. Tyson , D. Wittman

The Southern Photometric Local Universe Survey (S-PLUS): improved SEDs, morphologies and redshifts with 12 optical filters

The Southern Photometric Local Universe Survey (S-PLUS) is imaging ~9300 deg^2 of the celestial sphere in twelve optical bands using a dedicated 0.8 m robotic telescope, the T80-South, at the Cerro Tololo Inter-American Observatory, Chile.…

Astrophysics of Galaxies · Physics 2021-02-18 C. Mendes de Oliveira , T. Ribeiro , W. Schoenell , A. Kanaan , R. A. Overzier , A. Molino , L. Sampedro , P. Coelho , C. E. Barbosa , A. Cortesi , M. V. Costa-Duarte , F. R. Herpich , J. A. Hernandez-Jimenez , V. M. Placco , H. S. Xavier , L. R. Abramo , R. K. Saito , A. L. Chies-Santos , A. Ederoclite , R. Lopes de Oliveira , D. R. Gonçalves , S. Akras , L. A. Almeida , F. Almeida-Fernandes , T. C. Beers , C. Bonatto , S. Bonoli , E. S. Cypriano , Erik V. R. de Lima , R. S. de Souza , G. Fabiano de Souza , F. Ferrari , T. S. Gonçalves , A. H. Gonzalez , L. A. Gutiérrez-Soto , E. A. Hartmann , Y. Jaffe , L. O. Kerber , C. Lima-Dias , P. A. A. Lopes , K. Menendez-Delmestre , L. M. I. Nakazono , P. M. Novais , R. A. Ortega-Minakata , E. S. Pereira , H. D. Perottoni , C. Queiroz , R. R. R. Reis , W. A. Santos , T. Santos-Silva , R. M. Santucci , C. L. Barbosa , B. B. Siffert , L. Sodré , S. Torres-Flores , P. Westera , D. D. Whitten , J. S. Alcaniz , Javier Alonso-García , S. Alencar , A. Alvarez-Candal , P. Amram , L. Azanha , R. H. Barbá , P. H. Bernardinelli , M. Borges Fernandes , V. Branco , D. Brito-Silva , M. L. Buzzo , J. Caffer , A. Campillay , Z. Cano , J. M. Carvano , M. Castejon , R. Cid Fernandes , M. L. L. Dantas , S. Daflon , G. Damke , R. de la Reza , L. J. de Melo de Azevedo , D. F. De Paula , K. G. Diem , R. Donnerstein , O. L. Dors , R. Dupke , S. Eikenberry , Carlos G. Escudero , Favio R. Faifer , H. Farías , B. Fernandes , C. Fernandes , S. Fontes , A. Galarza , N. S. T. Hirata , L. Katena , J. Gregorio-Hetem , J. D. Hernández-Fernández , L. Izzo , M. Jaque Arancibia , V. Jatenco-Pereira , Y. Jiménez-Teja , D. A. Kann , A. C. Krabbe , C. Labayru , D. Lazzaro , G. B. Lima Neto , Amanda R. Lopes , R. Magalhães , M. Makler , R. de Menezes , J. Miralda-Escudé , R. Monteiro-Oliveira , A. D. Montero-Dorta , N. Muñoz-Elgueta , R. S. Nemmen , J. L. Nilo Castellón , A. S. Oliveira , D. Ortíz , E. Pattaro , C. B. Pereira , B. Quint , L. Riguccini , H. J. Rocha Pinto , I. Rodrigues , F. Roig , S. Rossi , Kanak Saha , R. Santos , A. Schnorr Müller , Leandro A. Sesto , R. Silva , Analía V. Smith Castelli , Ramachrisna Teixeira , E. Telles , R. C. Thom de Souza , C. Thöne , M. Trevisan , A. de Ugarte Postigo , F. Urrutia-Viscarra , C. H. Veiga , M. Vika , A. Z. Vitorelli , A. Werle , S. V. Werner , D. Zaritsky

Measuring cluster masses with CMB lensing: a statistical approach

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

Status of the COSmological Microwave Observations CALibrator

As the sensitivity of CMB telescopes increases, the need for precise calibration becomes critical. Started in 2022, the COSMOCal project aims to place an artificial polarized source in geostationary orbit, which will serve as a reference…

Instrumentation and Methods for Astrophysics · Physics 2026-05-19 L. Mousset , J. Aumont , S. Berta , L. Bizzarri , F. Boulanger , A. Catalano , F. Cuttaia , A. Denis , A. -L. Fontana , D. González Ovejero , B. Kalemi , S. Leclercq , J. -F. Macías-Pérez , B. Maffei , T. Mcnamara , S. Micheli , M. Migliaccio , L. Montier , P. Morfin , M. Moulin , M. Murgia , I. Myserlis , F. Nati , P. Ortu , M. Pérault , G. Pisano , T. Pisanu , N. Ponthieu , A. Ritacco , S. Savorgnano , L. Terenzi , L. Thibaut , J. Treuttel , C. Vescovi , L. Vacher , M. Zannoni

The Atacama Cosmology Telescope: DR6 Gravitational Lensing and SDSS BOSS cross-correlation measurement and constraints on gravity with the $E_G$ statistic

We derive new constraints on the $E_G$ statistic as a test of gravity, combining the CMB lensing map estimated from Data Release 6 (DR6) of the Atacama Cosmology Telescope with SDSS BOSS CMASS and LOWZ galaxy data. We develop an analysis…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-04 Lukas Wenzl , Rui An , Nick Battaglia , Rachel Bean , Erminia Calabrese , Shi-Fan Chen , Steve K. Choi , Omar Darwish , Jo Dunkley , Gerrit S. Farren , Simone Ferraro , Yilun Guan , Ian Harrison , Joshua Kim , Thibaut Louis , Niall MacCrann , Mathew S. Madhavacheril , Gabriela A. Marques , Yogesh Mehta , Michael D. Niemack , Frank J. Qu , Neelima Sehgal , Shabbir Shaikh , Blake D. Sherwin , Cristóbal Sifón , Alexander van Engelen , Edward J. Wollack

The Simons Observatory: Large-Scale Characterization of 90/150 GHz TES Detector Modules

The Simons Observatory (SO) is a cosmic microwave background instrumentation suite being deployed in the Atacama Desert in northern Chile. The telescopes within SO use three types of dichroic transition-edge sensor (TES) detector arrays,…

Instrumentation and Methods for Astrophysics · Physics 2024-01-30 Daniel Dutcher , Shannon M. Duff , John C. Groh , Erin Healy , Johannes Hubmayr , Bradley R. Johnson , Dante Jones , Ben Keller , Lawrence T. Lin , Michael J. Link , Tammy J. Lucas , Samuel Morgan , Yudai Seino , Rita F. Sonka , Suzanne T. Staggs , Yuhan Wang , Kaiwen Zheng