Related papers: The European Low Frequency Survey

Limits on the detectability of the CMB B-mode polarization imposed by foregrounds

We investigate which practical constraints are imposed by foregrounds to the detection of the B-mode polarization generated by gravitational waves in the case of experiments of the type currently being planned. Because the B-mode signal is…

Astrophysics · Physics 2009-11-10 M. Tucci , E. Martinez-Gonzalez , P. Vielva , J. Delabrouille

A deep survey of the low-surface-brightness radio sky

We have made a radio survey--the Australia Telescope Low Brightness Survey (ATLBS)--of 8.4 square degrees sky area, using the Australia Telescope Compact Array in the 20-cm band, in an observing mode designed to provide wide-field images…

Astrophysics · Physics 2009-06-23 Ravi Subrahmanyan , R. D. Ekers , Lakshmi Saripalli , E. M. Sadler

Searching for primordial magnetism with multi-frequency CMB experiments

Bounds on the amplitude of a scale-invariant stochastic primordial magnetic field (PMF) can be significantly improved by measurements of the Faraday Rotation (FR) of CMB polarization. The mode-coupling correlations induced by FR make it…

Cosmology and Nongalactic Astrophysics · Physics 2014-03-26 Levon Pogosian

Constrained Ellipse Fitting for Efficient Parameter Mapping with Phase-cycled bSSFP MRI

Balanced steady-state free precession (bSSFP) imaging enables high scan efficiency in MRI, but differs from conventional sequences in terms of elevated sensitivity to main field inhomogeneity and nonstandard T2/T1-weighted tissue contrast.…

Image and Video Processing · Electrical Eng. & Systems 2021-08-12 Kübra Keskin , Uğur Yılmaz , Tolga Çukur

Measurement of the Cosmic Microwave Background Polarization Lensing Power Spectrum with the POLARBEAR experiment

Gravitational lensing due to the large-scale distribution of matter in the cosmos distorts the primordial Cosmic Microwave Background (CMB) and thereby induces new, small-scale $B$-mode polarization. This signal carries detailed information…

Cosmology and Nongalactic Astrophysics · Physics 2014-07-16 POLARBEAR Collaboration , P. A. R. Ade , Y. Akiba , A. E. Anthony , K. Arnold , M. Atlas , D. Barron , D. Boettger , J. Borrill , S. Chapman , Y. Chinone , M. Dobbs , T. Elleflot , J. Errard , G. Fabbian , C. Feng , D. Flanigan , A. Gilbert , W. Grainger , N. W. Halverson , M. Hasegawa , K. Hattori , M. Hazumi , W. L. Holzapfel , Y. Hori , J. Howard , P. Hyland , Y. Inoue , G. C. Jaehnig , A. Jaffe , B. Keating , Z. Kermish , R. Keskitalo , T. Kisner , M. Le Jeune , A. T. Lee , E. Linder , E. M. Leitch , M. Lungu , F. Matsuda , T. Matsumura , X. Meng , N. J. Miller , H. Morii , S. Moyerman , M. J. Myers , M. Navaroli , H. Nishino , H. Paar , J. Peloton , E. Quealy , G. Rebeiz , C. L. Reichardt , P. L. Richards , C. Ross , I. Schanning , D. E. Schenck , B. Sherwin , A. Shimizu , C. Shimmin , M. Shimon , P. Siritanasak , G. Smecher , H. Spieler , N. Stebor , B. Steinbach , R. Stompor , A. Suzuki , S. Takakura , T. Tomaru , B. Wilson , A. Yadav , O. Zahn

The Atacama B-Mode Search: CMB Polarimetry with Transition-Edge-Sensor Bolometers

The Atacama B-mode Search (ABS) experiment is a 145 GHz polarimeter designed to measure the B-mode polarization of the Cosmic Microwave Background (CMB) at large angular scales. The ABS instrument will ship to the Atacama Desert of Chile…

Instrumentation and Methods for Astrophysics · Physics 2010-08-26 T. Essinger-Hileman , J. W. Appel , J. A. Beall , H. M. Cho , J. Fowler , M. Halpern , M. Hasselfield , K. D. Irwin , T. A. Marriage , M. D. Niemack , L. Page , L. P. Parker , S. Pufu , S. T. Staggs , O. Stryzak , C. Visnjic , K. W. Yoon , Y. Zhao

Readout for intersatellite laser interferometry: Measuring low frequency phase fluctuations of HF signals with microradian precision

Precision phase readout of optical beat note signals is one of the core techniques required for intersatellite laser interferometry. Future space based gravitational wave detectors like eLISA require such a readout over a wide range of MHz…

Instrumentation and Detectors · Physics 2016-12-06 Oliver Gerberding , Christian Diekmann , Joachim Kullmann , Michael Tröbs , Ioury Bykov , Simon Barke , Nils Christopher Brause , Juan José Esteban Delgado , Thomas S. Schwarze , Jens Reiche , Karsten Danzmann , Torben Rasmussen , Torben Vendt Hansen , Anders Engaard , Søren Møller Pedersen , Oliver Jennrich , Martin Suess , Zoran Sodnik , Gerhard Heinzel

On the contamination of the global 21~cm signal from polarized foregrounds

Global (i.e. sky-averaged) $21$~cm signal experiments can measure the evolution of the universe from the Cosmic Dawn to the Epoch of Reionization. These measurements are challenged by the presence of bright foreground emission that can be…

Cosmology and Nongalactic Astrophysics · Physics 2019-09-25 Marta Spinelli , Gianni Bernardi , Mario G. Santos

Planck pre-launch status: the Planck-LFI programme

This paper provides an overview of the Low Frequency Instrument (LFI) programme within the ESA Planck mission. The LFI instrument has been developed to produce high precision maps of the microwave sky at frequencies in the range 27-77 GHz,…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 N. Mandolesi , M. Bersanelli , R. C. Butler , E. Artal , C. Baccigalupi , A. Balbi , A. J. Banday , R. B. Barreiro , M. Bartelmann , K. Bennett , P. Bhandari , A. Bonaldi , J. Borrill , M. Bremer , C. Burigana , R. C. Bowman , P. Cabella , C. Cantalupo , B. Cappellini , T. Courvoisier , G. Crone , F. Cuttaia , L. Danese , O. D'Arcangelo , R. D. Davies , R. J. Davis , L. De Angelis , G. de Gasperis , A. De Rosa , G. De Troia , G. de Zotti , J. Dick , C. Dickinson , J. M. Diego , S. Donzelli , U. Dörl , X. Dupac , T. A. Enßlin , H. K. Eriksen , M. C. Falvella , F. Finelli , M. Frailis , E. Franceschi , T. Gaier , S. Galeotta , F. Gasparo , G. Giardino , F. Gomez , J. Gonzalez-Nuevo , K. M. Górski , A. Gregorio , A. Gruppuso , F. Hansen , R. Hell , D. Herranz , J. M. Herreros , S. Hildebrandt , W. Hovest , R. Hoyland , K. Huffenberger , M. Janssen , T. Jaffe , E. Keihänen , R. Keskitalo , T. Kisner , H. Kurki-Suonio , A. Lähteenmäki , C. R. Lawrence , S. M. Leach , J. P. Leahy , R. Leonardi , S. Levin , P. B. Lilje , M. López-Caniego , S. R. Lowe , P. M. Lubin , D. Maino , M. Malaspina , M. Maris , J. Marti-Canales , E. Martinez-Gonzalez , M. Massardi , S. Matarrese , F. Matthai , P. Meinhold , A. Melchiorri , L. Mendes , A. Mennella , G. Morgante , G. Morigi , N. Morisset , A. Moss , A. Nash , P. Natoli , R. Nesti , C. Paine , B. Partridge , F. Pasian , T. Passvogel , D. Pearson , L. Pérez-Cuevas , F. Perrotta , G. Polenta , L. A. Popa , T. Poutanen , G. Prezeau , M. Prina , J. P. Rachen , R. Rebolo , M. Reinecke , S. Ricciardi , T. Riller , G. Rocha , N. Roddis , R. Rohlfs , J. A. Rubiño-Martin , E. Salerno , M. Sandri , D. Scott , M. Seiffert , J. Silk , A. Simonetto , G. F. Smoot , C. Sozzi , J. Sternberg , F. Stivoli , L. Stringhetti , J. Tauber , L. Terenzi , M. Tomasi , J. Tuovinen , M. Türler , L. Valenziano , J. Varis , P. Vielva , F. Villa , N. Vittorio , L. Wade , M. White , S. White , A. Wilkinson , A. Zacchei , A. Zonca

The POLARBEAR-2 and the Simons Array Experiment

We present an overview of the design and status of the \Pb-2 and the Simons Array experiments. \Pb-2 is a Cosmic Microwave Background polarimetry experiment which aims to characterize the arc-minute angular scale B-mode signal from weak…

Instrumentation and Methods for Astrophysics · Physics 2016-02-17 A. Suzuki , P. Ade , Y. Akiba , C. Aleman , K. Arnold , C. Baccigalupi , B. Barch , D. Barron , A. Bender , D. Boettger , J. Borrill , S. Chapman , Y. Chinone , A. Cukierman , M. Dobbs , A. Ducout , R. Dunner , T. Elleflot , J. Errard , G. Fabbian , S. Feeney , C. Feng , T. Fujino , G. Fuller , A. Gilbert , N. Goeckner-Wald , J. Groh , T. De Haan , G. Hall , N. Halverson , T. Hamada , M. Hasegawa , K. Hattori , M. Hazumi , C. Hill , W. Holzapfel , Y. Hori , L. Howe , Y. Inoue , F. Irie , G. Jaehnig , A. Jaffe , O. Jeong , N. Katayama , J. Kaufman , K. Kazemzadeh , B. Keating , Z. Kermish , R. Keskitalo , T. Kisner , A. Kusaka , M. Le Jeune , A. Lee , D. Leon , E. Linder , L. Lowry , F. Matsuda , T. Matsumura , N. Miller , K. Mizukami , J. Montgomery , M. Navaroli , H. Nishino , J. Peloton , D. Poletti , G. Rebeiz , C. Raum , C. Reichardt , P. Richards , C. Ross , K. Rotermund , Y. Segawa , B. Sherwin , I. Shirley , P. Siritanasak , N. Stebor , R. Stompor , J. Suzuki , O. Tajima , S. Takada , S. Takakura , S. Takatori , A. Tikhomirov , T. Tomaru , B. Westbrook , N. Whitehorn , T. Yamashita , A. Zahn , O. Zahn

BICEP2 II: Experiment and Three-Year Data Set

We report on the design and performance of the BICEP2 instrument and on its three-year data set. BICEP2 was designed to measure the polarization of the cosmic microwave background (CMB) on angular scales of 1 to 5 degrees ($\ell$=40-200),…

Cosmology and Nongalactic Astrophysics · Physics 2014-08-18 BICEP2 Collaboration , P. A. R Ade , R. W. Aikin , M. Amiri , D. Barkats , S. J. Benton , C. A. Bischoff , J. J. Bock , J. A. Brevik , I. Buder , E. Bullock , G. Davis , 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 , N. Llombart , M. Lueker , 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 , K. T. Story , R. V. Sudiwala , G. P. Teply , J. E. Tolan , A. D. Turner , A. G. Vieregg , P. Wilson , C. L. Wong , K. W. Yoon

CLOVER - A new instrument for measuring the B-mode polarization of the CMB

We describe the design and expected performance of Clover, a new instrument designed to measure the B-mode polarization of the cosmic microwave background. The proposed instrument will comprise three independent telescopes operating at 90,…

Astrophysics · Physics 2007-05-23 A. C. Taylor , A. Challinor , D. Goldie , K. Grainge , M. E. Jones , A. N. Lasenby , S. Withington , G. Yassin , W. K. Gear , L. Piccirillo , P. Ade , P. D. Mauskopf , B. Maffei , G. Pisano

The advantage of Bolometric Interferometry for controlling Galactic foreground contamination in CMB primordial B-modes measurements

In the quest for the faint primordial B-mode polarization of the Cosmic Microwave Background, three are the key requirements for any present or future experiment: an utmost sensitivity, excellent control over instrumental systematic effects…

Cosmology and Nongalactic Astrophysics · Physics 2023-11-06 E. Manzan , M. Regnier , J-Ch. Hamilton , A. Mennella , J. Errard , L. Zapelli , S. A. Torchinsky , S. Paradiso , E. Battistelli , M. Bersanelli , P. De Bernardis , M. De Petris , G. D'Alessandro , M. Gervasi , S. Masi , M. Piat , E. Rasztocky , G. E Romero , C. G. Scoccola , M. Zannoni , the QUBIC Collaboration

The ELFIN Mission

The Electron Loss and Fields Investigation with a Spatio-Temporal Ambiguity-Resolving option (ELFIN-STAR, or simply: ELFIN) mission comprises two identical 3-Unit (3U) CubeSats on a polar (~93deg inclination), nearly circular, low-Earth…

Space Physics · Physics 2020-08-12 V. Angelopoulos , E. Tsai , L. Bingley , C. Shaffer , D. L. Turner , A. Runov , W. Li , J. Liu , A. V. Artemyev , X. -J. Zhang , R. J. Strangeway , R. E. Wirz , Y. Y. Shprits , V. A. Sergeev , R. P. Caron , M. Chung , P. Cruce , W. Greer , E. Grimes , K. Hector , M. J. Lawson , D. Leneman , E. V. Masongsong , C. L. Russell , C. Wilkins , D. Hinkley , J. B. Blake , N. Adair , M. Allen , M. Anderson , M. Arreola-Zamora , J. Artinger , J. Asher , D. Branchevsky , M. R. Capitelli , R. Castro , G. Chao , N. Chung , M. Cliffe , K. Colton , C. Costello , D. Depe , B. W. Domae , S. Eldin , L. Fitzgibbon , A. Flemming , I. Fox , D. M. Frederick , A. Gilbert , A. Gildemeister , A. Gonzalez , B. Hesford , S. Jha , N. Kang , J. King , R. Krieger , K. Lian , J. Mao , E. McKinney , J. P. Miller , A. Norris , M. Nuesca , A. Palla , E. S. Y. Park , C. E. Pedersen , Z. Qu , R. Rozario , E. Rye , R. Seaton , A. Subramanian , S. R. Sundin , A. Tan , W. Turner , A. J. Villegas , M. Wasden , G. Wing , C. Wong , E. Xie , S. Yamamoto , R. Yap , A. Zarifian , G. Y. Zhang

SWIPE: a bolometric polarimeter for the Large-Scale Polarization Explorer

The balloon-borne LSPE mission is optimized to measure the linear polarization of the Cosmic Microwave Background at large angular scales. The Short Wavelength Instrument for the Polarization Explorer (SWIPE) is composed of 3 arrays of…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 P. de Bernardis , S. Aiola , G. Amico , E. Battistelli , A. Coppolecchia , A. Cruciani , A. D' Addabbo , G. D' Alessandro , S. De Gregori , M. De Petris , D. Goldie , R. Gualtieri , V. Haynes , L. Lamagna , B. Maffei , S. Masi , F. Nati , M. Wah Ng , L. Pagano , F. Piacentini , L. Piccirillo , G. Pisano , G. Romeo , M. Salatino , A. Schillaci , E. Tommasi , S. Withington

The PLANCK LFI flight model ortho-mode transducers

The Low Frequency Instrument (LFI) of the ESA Planck CMB mission is an array of 22 ultra sensitive pseudocorrelation radiometers working at 30, 44, and 70 GHz. LFI has been calibrated and delivered for integration with the satellite to the…

Instrumentation and Methods for Astrophysics · Physics 2016-09-08 O. D'Arcangelo , A. Simonetto , L. Figini , E. Pagana , F. Villa , M. Pecora , P. Battaglia , M. Bersanelli , R. C. Butler , S. Garavaglia , P. Guzzi , N. Mandolesi , C. Sozzi

E/B Separation in CMB Interferometry

We study the problem of separating E and B modes in interferometric observations of the polarization of the cosmic microwave background. The E and B band powers and their mixings are measured from both single-dish and interferometric mock…

Astrophysics · Physics 2009-11-07 Chan-Gyung Park , Kin-Wang Ng

The Simons Observatory: Galactic Science Goals and Forecasts

Observing in six frequency bands from 27 to 280 GHz over a large sky area, the Simons Observatory (SO) is poised to address many questions in Galactic astrophysics in addition to its principal cosmological goals. In this work, we provide…

Astrophysics of Galaxies · Physics 2022-05-04 Brandon S. Hensley , Susan E. Clark , Valentina Fanfani , Nicoletta Krachmalnicoff , Giulio Fabbian , Davide Poletti , Giuseppe Puglisi , Gabriele Coppi , Jacob Nibauer , Roman Gerasimov , Nicholas Galitzki , Steve K. Choi , Peter C. Ashton , Carlo Baccigalupi , Eric Baxter , Blakesley Burkhart , Erminia Calabrese , Jens Chluba , Josquin Errard , Andrei V. Frolov , Carlos Hervías-Caimapo , Kevin M. Huffenberger , Bradley R. Johnson , Baptiste Jost , Brian Keating , Heather McCarrick , Federico Nati , Mayuri Sathyanarayana Rao , Alexander van Engelen , Samantha Walker , Kevin Wolz , Zhilei Xu , Ningfeng Zhu , Andrea Zonca

An RFSoC-based F-engine for ARGOS

Radio interferometers provide the means to perform the wide-field-of-view (FoV), high-sensitivity observations required for modern radio surveys. As computing power per cost has decreased, there has been a move towards larger arrays of…

Instrumentation and Methods for Astrophysics · Physics 2025-11-12 Yunpeng Men , Ewan Barr , Amit Bansod , Weiwei Chen , Jason Wu , John Antoniadis , Jan Behrend , Niclas Esser , Oliver Polch , Gundolf Wieching , Tobias Winchen

CMBPol Mission Concept Study: Prospects for polarized foreground removal

In this report we discuss the impact of polarized foregrounds on a future CMBPol satellite mission. We review our current knowledge of Galactic polarized emission at microwave frequencies, including synchrotron and thermal dust emission. We…

Astrophysics · Physics 2015-05-13 J. Dunkley , A. Amblard , C. Baccigalupi , M. Betoule , D. Chuss , A. Cooray , J. Delabrouille , C. Dickinson , G. Dobler , J. Dotson , H. K. Eriksen , D. Finkbeiner , D. Fixsen , P. Fosalba , A. Fraisse , C. Hirata , A. Kogut , J. Kristiansen , C. Lawrence , A. M. Magalhaes , M. A. Miville-Deschenes , S. Meyer , A. Miller , S. K. Naess , L. Page , H. V. Peiris , N. Phillips , E. Pierpaoli , G. Rocha , J. E. Vaillancourt , L. Verde