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Related papers: Mitigating half-wave plate systematics at the map-…

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Time-dependent and systematic variations in band gain and central frequencies of instruments used to study the Cosmic Microwave Background are important factors in the data-to-map analysis pipeline. If not properly characterized, they could…

Instrumentation and Methods for Astrophysics · Physics 2018-07-25 J. T. Ward , D. Alonso , J. Errard , M. J. Devlin , M. Hasselfield

We present a simple way of coding and compressing the data on board the Planck instruments (HFI and LFI) to address the problem of the on board data reduction. This is a critical issue in the Planck mission. The total information that can…

Astrophysics · Physics 2009-10-31 E. Gaztanaga , A. Romeo , J. Barriga , E. Elizalde

The polarization of the Cosmic Microwave Background (CMB)is a powerful observational tool at hand for modern cosmology. It allows to break the degeneracy of fundamental cosmological parameters one cannot obtain using only anisotropy data…

Astrophysics · Physics 2009-11-07 M. V. Sazhin , G. Sironi , O. S. Khovanskaya

Detection of magnetic-type ($B$-type) polarization in the Cosmic Microwave Background (CMB) radiation plays a crucial role in probing the relic gravitational wave (RGW) background. In this paper, we propose a new method to deconstruct a…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-17 Wen Zhao , Deepak Baskaran

The most accessible method to measure polarization features of the CMB radiation is by means of a Stokes Polarimeter based on the rotation of an Half Wave Plate. The current observational cosmology is starting to be limited by the presence…

Instrumentation and Methods for Astrophysics · Physics 2019-07-24 G. D'Alessandro , L. Mele , F. Columbro , L. Pagano , F. Piacentini , P. de Bernardis , S. Masi

CONTEXT.Large field-of-view imaging/polarimetry instruments operating at millimeter and submm wavelengths are fundamental tools to understand the role of magnetic fields (MF) in channeling filament material into prestellar cores providing a…

Instrumentation and Methods for Astrophysics · Physics 2022-02-02 G. Pisano , A. Ritacco , A. Monfardini , C. Tucker , P. A. R. Ade , A. Shitvov , A. Benoit , M. Calvo , A. Catalano , J. Goupy , S. Leclercq , J. Macias-Perez , A. Andrianasolo , N. Ponthieu

The successful European Space Agency (ESA) Planck mission has mapped the Cosmic Microwave Background (CMB) temperature anisotropy with unprecedented accuracy. However, Planck was not designed to detect the polarised components of the CMB…

Instrumentation and Methods for Astrophysics · Physics 2014-10-01 G. Pisano , B. Maffei , M. W. Ng , V. Haynes , M. Brown , F. Noviello , P. de Bernardis , S. Masi , F. Piacentini , L. Pagano , M. Salatino , B. Ellison , M. Henry , P. de Maagt , B. Shortt

Accurate parameter estimation from cosmic microwave background data requires reliable likelihood modeling, particularly at large angular scales where angular power spectrum estimators exhibit non-Gaussian statistics. We present a novel…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-23 Giacomo Galloni , Paolo Campeti , Luca Pagano , Martina Gerbino , Massimiliano Lattanzi , Paolo Natoli

We search for planar deviations of statistical isotropy in the Wilkinson Microwave Anisotropy Probe (WMAP) data by applying a recently introduced angular-planar statistics both to full-sky and to masked temperature maps, including in our…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 L. Raul Abramo , Armando Bernui , Thiago S. Pereira

Mitigation of the impact of foreground contributions to measurements of Cosmic Microwave Background (CMB) polarization is a crucial step in modern CMB data analysis and is of particular importance for a detection of large-scale CMB $B$…

Cosmology and Nongalactic Astrophysics · Physics 2024-02-14 Clément Leloup , Josquin Errard , Radek Stompor

LiteBIRD is a next-generation satellite mission to measure the polarization of the cosmic microwave background (CMB) radiation. On large angular scales the B-mode polarization of the CMB carries the imprint of primordial gravitational…

Separation of the B component of a cosmic microwave background (CMB) polarization map from the much larger E component is an essential step in CMB polarimetry. For a map with incomplete sky coverage, this separation is necessarily hampered…

Cosmology and Nongalactic Astrophysics · Physics 2011-04-22 Emory F. Bunn

Correlations of polarization components in the coordinate frame are a natural basis for searches of parity-violating modes in the Cosmic Microwave Background (CMB). This fact can be exploited to build estimators of parity-violating modes…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-22 Carlo R. Contaldi

The polarization of the Cosmic Microwave Background (CMB)is a powerful observational tool at hand for modern cosmology. It allows to break the degeneracy of fundamental cosmological parameters one cannot obtain using only anisotropy data…

Astrophysics · Physics 2007-05-23 M. V. Sazhin , G. Sironi , O. S. Khovanskaya

In this paper, we explore the power of the cosmic microwave background (CMB) polarization (E-mode) data to corroborate four potential anomalies in CMB temperature data: the lack of large angular-scale correlations, the alignment of the…

Mild, unavoidable deviations from circular-symmetry of instrumental beams in current Cosmic Microwave Background (CMB) experiments now pose a significant challenge to deriving high precision inferences from the high sensitivity and…

Cosmology and Nongalactic Astrophysics · Physics 2013-07-22 Nidhi Joshi , Santanu Das , Aditya Rotti , Sanjit Mitra , Tarun Souradeep

Knowledge of the beam profiles is of critical importance for interpreting data from cosmic microwave background experiments. In this paper, we present the characterization of the in-flight optical response of the WMAP satellite. The main…

We study destriping as a map-making method for temperature-and-polarization data for cosmic microwave background observations. We present a particular implementation of destriping and study the residual error in output maps, using simulated…

Instrumentation and Methods for Astrophysics · Physics 2010-03-26 H. Kurki-Suonio , E. Keihanen , R. Keskitalo , T. Poutanen , A. -S. Sirvio , D. Maino , C. Burigana

Cosmic birefringence (CB) is the rotation of the photons' linear polarisation plane during propagation. Such an effect is a tracer of parity-violating extensions of standard electromagnetism and would probe the existence of a new…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-24 E. de la Hoz , P. Diego-Palazuelos , J. Errard , A. Gruppuso , B. Jost , R. M. Sullivan , M. Bortolami , Y. Chinone , L. T. Hergt , E. Komatsu , Y. Minami , I. Obata , D. Paoletti , D. Scott , P. Vielva , D. Adak , R. Akizawa , A. Anand , J. Aumont , C. Baccigalupi , A. J. Banday , R. B. Barreiro , N. Bartolo , S. Basak , A. Basyrov , M. Bersanelli , T. Brinckmann , F. Cacciotti , E. Calabrese , P. Campeti , E. Carinos , A. Carones , F. Carralot , F. J. Casas , M. Citran , L. Clermont , F. Columbro , G. Coppi , A. Coppolecchia , F. Cuttaia , P. de Bernardis , M. De Lucia , M. De Petris , S. Della Torre , E. Di Giorgi , H. K. Eriksen , E. Ferreira , F. Finelli , C. Franceschet , U. Fuskeland , G. Galloni , M. Galloway , M. Gerbino , M. Gervasi , R. T. Génova-Santos , T. Ghigna , S. Giardiello , C. Gimeno-Amo , E. Gjerløw , M. Hazumi , S. Henrot-Versillé , E. Hivon , H. Ishino , K. Kohri , L. Lamagna , M. Lattanzi , C. Leloup , M. Lembo , F. Levrier , M. López-Caniego , G. Luzzi , E. Martínez-González , S. Masi , S. Matarrese , S. Micheli , M. Migliaccio , M. Monelli , L. Montier , G. Morgante , R. Nagata , T. Namikawa , P. Natoli , A. Occhiuzzi , L. Pagano , A. Paiella , G. Pascual-Cisneros , V. Pavlidou , V. Pelgrims , F. Piacentini , G. Piccirilli , G. Polenta , L. Porcelli , N. Raffuzzi , M. Remazeilles , A. Ritacco , A. Rizzieri , J. A. Rubiño-Martín , M. Ruiz-Granda , Y. Sakurai , J. Sanghavi , M. Shiraishi , S. L. Stever , Y. Takase , K. Tassis , L. Terenzi , M. Tomasi , M. Tristram , L. Vacher , B. van Tent , D. Watts , I. K. Wehus , G. Weymann-Despres , B. Winter , E. J. Wollack , Y. Zhou
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