Related papers: Galactic foreground contributions to the WMAP5 map…

Polarization of the Atmosphere as a Foreground for Cosmic Microwave Background Polarization Experiments

We quantify the level of polarization of the atmosphere due to Zeeman splitting of oxygen in the Earth's magnetic field and compare it to the level of polarization expected from the polarization of the cosmic microwave background radiation.…

Astrophysics · Physics 2015-06-24 Shaul Hanany , Philip Rosenkranz

Galactic dust polarized emission at high latitudes and CMB polarization

We estimate the dust polarized emission in our galaxy at high galactic latitudes, which is the dominant foreground for measuring CMB polarization using the high frequency instrument (HFI) aboard Planck surveyor. We compare it with the level…

Astrophysics · Physics 2007-05-23 Shiv K. Sethi , Simon Prunet , F. R. Bouchet

Planck intermediate results. XXXVIII. E- and B-modes of dust polarization from the magnetized filamentary structure of the interstellar medium

The quest for a B-mode imprint from primordial gravity waves on the polarization of the cosmic microwave background (CMB) requires the characterization of foreground polarization from Galactic dust. We present a statistical study of the…

Astrophysics of Galaxies · Physics 2016-02-10 Planck Collaboration , P. A. R. Ade , N. Aghanim , M. Arnaud , M. Ashdown , J. Aumont , C. Baccigalupi , A. J. Banday , R. B. Barreiro , N. Bartolo , E. Battaner , K. Benabed , A. Benoit-Lévy , J. -P. Bernard , M. Bersanelli , P. Bielewicz , A. Bonaldi , L. Bonavera , J. R. Bond , J. Borrill , F. R. Bouchet , F. Boulanger , A. Bracco , C. Burigana , E. Calabrese , J. -F. Cardoso , A. Catalano , A. Chamballu , R. -R. Chary , H. C. Chiang , P. R. Christensen , L. P. L. Colombo , C. Combet , B. P. Crill , A. Curto , F. Cuttaia , L. Danese , R. D. Davies , R. J. Davis , P. de Bernardis , A. de Rosa , G. de Zotti , J. Delabrouille , J. -M. Delouis , C. Dickinson , J. M. Diego , H. Dole , S. Donzelli , O. Doré , M. Douspis , J. Dunkley , X. Dupac , G. Efstathiou , F. Elsner , T. A. Enßlin , H. K. Eriksen , E. Falgarone , K. Ferrière , F. Finelli , O. Forni , M. Frailis , A. A. Fraisse , E. Franceschi , A. Frolov , S. Galeotta , S. Galli , K. Ganga , T. Ghosh , M. Giard , E. Gjerløw , J. González-Nuevo , K. M. Górski , A. Gruppuso , V. Guillet , F. K. Hansen , D. L. Harrison , G. Helou , C. Hernández-Monteagudo , D. Herranz , S. R. Hildebrandt , E. Hivon , A. Hornstrup , W. Hovest , Z. Huang , K. M. Huffenberger , G. Hurier , T. R. Jaffe , W. C. Jones , M. Juvela , E. Keihänen , R. Keskitalo , T. S. Kisner , R. Kneissl , J. Knoche , M. Kunz , H. Kurki-Suonio , J. -M. Lamarre , A. Lasenby , M. Lattanzi , C. R. Lawrence , R. Leonardi , J. León-Tavares , F. Levrier , M. Liguori , P. B. Lilje , M. Linden-Vørnle , M. López-Caniego , P. M. Lubin , J. F. Macías-Pérez , B. Maffei , D. Maino , N. Mandolesi , M. Maris , P. G. Martin , E. Martínez-González , S. Masi , S. Matarrese , P. McGehee , A. Melchiorri , A. Mennella , M. Migliaccio , M. -A. Miville-Deschênes , A. Moneti , L. Montier , G. Morgante , D. Mortlock , D. Munshi , J. A. Murphy , P. Naselsky , F. Nati , P. Natoli , D. Novikov , I. Novikov , N. Oppermann , C. A. Oxborrow , L. Pagano , F. Pajot , D. Paoletti , F. Pasian , O. Perdereau , V. Pettorino , F. Piacentini , M. Piat , E. Pierpaoli , S. Plaszczynski , E. Pointecouteau , G. Polenta , N. Ponthieu , G. W. Pratt , S. Prunet , J. -L. Puget , J. P. Rachen , W. T. Reach , R. Rebolo , M. Reinecke , M. Remazeilles , C. Renault , A. Renzi , I. Ristorcelli , G. Rocha , C. Rosset , M. Rossetti , G. Roudier , J. A. Rubiño-Martín , B. Rusholme , M. Sandri , D. Santos , M. Savelainen , G. Savini , D. Scott , P. Serra , J. D. Soler , V. Stolyarov , R. Sudiwala , R. Sunyaev , A. -S. Suur-Uski , J. -F. Sygnet , J. A. Tauber , L. Terenzi , L. Toffolatti , M. Tomasi , M. Tristram , M. Tucci , G. Umana , L. Valenziano , J. Valiviita , B. Van Tent , P. Vielva , F. Villa , L. A. Wade , B. D. Wandelt , I. K. Wehus , D. Yvon , A. Zacchei , A. Zonca

The JCMT BISTRO Survey: Multi-wavelength polarimetry of bright regions in NGC 2071 in the far-infrared/submillimetre range, with POL-2 and HAWC+

Polarized dust emission is a key tracer in the study of interstellar medium and of star formation. The observed polarization, however, is a product of magnetic field structure, dust grain properties and grain alignment efficiency, as well…

Astrophysics of Galaxies · Physics 2022-09-21 L. Fanciullo , F. Kemper , K. Pattle , P. M. Koch , S. Sadavoy , S. Coudé , A. Soam , T. Hoang , T. Onaka , V. J. M. Le Gouellec , D. Arzoumanian , D. Berry , C. Eswaraiah , E. J. Chung , R. Furuya , C. L. H. Hull , J. Hwang , D. Johnstone , J. -h. Kang , K. H. Kim , F. Kirchschlager , V. Könyves , J. Kwon , W. Kwon , S. -P. Lai , C. W. Lee , T. Liu , A. -R. Lyo , I. Stephens , M. Tamura , X. Tang , D. Ward-Thompson , A. Whitworth , H. Shinnaga

Cosmoglobe DR1 results. II. Constraints on isotropic cosmic birefringence from reprocessed WMAP and Planck LFI data

Cosmic birefringence is a parity-violating effect that might have rotated the plane of linearly polarized light of the cosmic microwave background (CMB) by an angle $\beta$ since its emission. This has recently been measured to be non-zero…

Cosmology and Nongalactic Astrophysics · Physics 2023-11-29 J. R. Eskilt , D. J. Watts , R. Aurlien , A. Basyrov , M. Bersanelli , M. Brilenkov , L. P. L. Colombo , H. K. Eriksen , K. S. F. Fornazier , C. Franceschet , U. Fuskeland , M. Galloway , E. Gjerløw , B. Hensley , L. T. Hergt , D. Herman , H. T. Ihle , K. Lee , J. G. S. Lunde , S. K. Nerval , S. Paradiso , S. K. Patel , F. Rahman , M. Regnier , M. San , S. Sanyal , N. -O. Stutzer , H. Thommesen , A. Verma , I. K. Wehus , Y. Zhou

Broadband Linear Polarization in the Region of the Open Star Cluster NGC 1817

Multi-band linear polarimetric observations of 125 stars in the region of the cluster NGC 1817 have been carried out intending to study properties of interstellar dust and grains in that direction. The polarization is found to be…

Solar and Stellar Astrophysics · Physics 2020-11-18 Sadhana Singh , Jeewan C. Pandey

Synthetic dust polarization emission maps at 353 GHz for an observer placed inside a Local Bubble-like cavity

We present a study of synthetic observations of polarized dust emission at 353 GHz as seen by an observer within a cavity in the interstellar medium (ISM). The cavity is selected from a magnetohydrodynamic simulation of the local ISM with…

Astrophysics of Galaxies · Physics 2023-06-28 E. Maconi , J. D. Soler , S. Reissl , P. Girichidis , R. S. Klessen , P. Hennebelle , S. Molinari , L. Testi , R. J. Smith , M. C. Sormani , J. W. Teh , A. Traficante , .

Planck intermediate results. XIV. Dust emission at millimetre wavelengths in the Galactic plane

We use Planck HFI data combined with ancillary radio data to study the emissivity index of the interstellar dust emission in the frequency range 10 - 353 GHz, or 3 - 0.8 mm, in the Galactic plane. We analyse the region l=20 degr - 44 degr…

Astrophysics of Galaxies · Physics 2014-05-13 Planck Collaboration , P. A. R. Ade , N. Aghanim , M. I. R. Alves , M. Arnaud , M. Ashdown , F. Atrio-Barandela , J. Aumont , C. Baccigalupi , A. J. Banday , R. B. Barreiro , J. G. Bartlett , E. Battaner , K. Benabed , A. Benoit-Lévy , J. -P. Bernard , M. Bersanelli , P. Bielewicz , J. Bobin , A. Bonaldi , J. R. Bond , J. Borrill , F. R. Bouchet , F. Boulanger , M. Bucher , C. Burigana , R. C. Butler , J. -F. Cardoso , A. Catalano , A. Chamballu , H. C. Chiang , L. -Y Chiang , P. R. Christensen , D. L. Clements , S. Colombi , L. P. L. Colombo , F. Couchot , B. P. Crill , A. Curto , F. Cuttaia , L. Danese , R. D. Davies , R. J. Davis , P. de Bernardis , A. de Rosa , G. de Zotti , J. Delabrouille , C. Dickinson , J. M. Diego , H. Dole , S. Donzelli , O. Doré , M. Douspis , X. Dupac , T. A. Enßlin , H. K. Eriksen , E. Falgarone , F. Finelli , O. Forni , M. Frailis , E. Franceschi , S. Galeotta , K. Ganga , T. Ghosh , M. Giard , G. Giardino , J. González-Nuevo , K. M. Górski , A. Gregorio , A. Gruppuso , F. K. Hansen , D. Harrison , C. Hernández-Monteagudo , D. Herranz , S. R. Hildebrandt , E. Hivon , W. A. Holmes , A. Hornstrup , W. Hovest , A. H. Jaffe , W. C. Jones , M. Juvela , E. Keihänen , R. Keskitalo , T. S. Kisner , R. Kneissl , J. Knoche , M. Kunz , H. Kurki-Suonio , G. Lagache , A. Lähteenmäki , J. -M. Lamarre , A. Lasenby , R. J. Laureijs , C. R. Lawrence , R. Leonardi , M. Liguori , P. B. Lilje , M. Linden-Vørnle , M. López-Caniego , J. F. Macías-Pérez , B. Maffei , D. Maino , N. Mandolesi , M. Maris , D. J. Marshall , P. G. Martin , E. Martínez-González , S. Masi , S. Matarrese , P. Mazzotta , A. Melchiorri , L. Mendes , A. Mennella , M. Migliaccio , S. Mitra , M. -A. Miville-Deschênes , A. Moneti , L. Montier , G. Morgante , D. Mortlock , D. Munshi , J. A. Murphy , P. Naselsky , F. Nati , P. Natoli , H. U. Nørgaard-Nielsen , F. Noviello , D. Novikov , I. Novikov , C. A. Oxborrow , L. Pagano , F. Pajot , R. Paladini , D. Paoletti , F. Pasian , G. Patanchon , M. Peel , O. Perdereau , F. Perrotta , F. Piacentini , M. Piat , E. Pierpaoli , D. Pietrobon , S. Plaszczynski , E. Pointecouteau , G. Polenta , N. Ponthieu , L. Popa , G. W. Pratt , S. Prunet , J. -L. Puget , J. P. Rachen , W. T. Reach , R. Rebolo , M. Reinecke , M. Remazeilles , C. Renault , S. Ricciardi , T. Riller , I. Ristorcelli , G. Rocha , C. Rosset , J. A. Rubiño-Martín , B. Rusholme , M. Sandri , G. Savini , D. Scott , L. D. Spencer , J. -L. Starck , V. Stolyarov , F. Sureau , D. Sutton , A. -S. Suur-Uski , J. -F. Sygnet , J. A. Tauber , D. Tavagnacco , L. Terenzi , L. Toffolatti , M. Tomasi , M. Tristram , M. Tucci , L. Valenziano , J. Valiviita , B. Van Tent , P. Vielva , F. Villa , N. Vittorio , L. A. Wade , B. D. Wandelt , D. Yvon , A. Zacchei , A. Zonca

Revealing asymmetrical dust distribution in the inner regions of HD 141569

We obtained polarimetric differential imaging of a gas-rich debris disk around HD 141569A with SPHERE in the H-band to compare the scattering properties of the innermost ring at 44 au with former observations in total intensity with the…

Earth and Planetary Astrophysics · Physics 2021-09-15 Garima Singh , Trisha Bhowmik , Anthony Boccaletti , Philippe Thébault , Quentin Kral , Julien Milli , Johan Mazoyer , Eric Pantin , Johan Olofsson , Ryan Boukrouche , Emmanuel Di Folco , Markus Janson , Maud Langlois , Anne Lise Maire , Arthur Vigan , Myriam Benisty , Jean-Charles Augereau , Clement Perrot , Raffaele Gratton , Thomas Henning , Francois Ménard , Emily Rickman , Zahed Wahhaj , Alice Zurlo , Beth Biller , Mickael Bonnefoy , Gael Chauvin , Philippe Delorme , Silvano Desidera , Valentina D'Orazi , Markus Feldt , Janis Hagelberg , Miriam Keppler , Taisiya Kopytova , Eric Lagadec , Anne-Marie Lagrange , Dino Mesa , Michael Meyer , Daniel Rouan , Elena Sissa , Tobias Schmidt , Marc Jaquet , Thierry Fusco , Alexei Pavlov , Patrick Rabou

Using Two-Frequency Dust Spectral Matching to Separate Galactic Synchrotron and Free-Free Temperature Foregrounds from the CMB

We introduce a method for removing CMB and anomalous microwave emission (AME, or spinning dust) intensity signals at high to intermediate Galactic latitudes in temperature sky maps at frequencies roughly between 5 and 40 GHz. The method…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-23 J. L. Weiland , Charles L. Bennett , Graeme E. Addison , Mark Halpern , Gary Hinshaw

E and B families of the Stokes parameters in the polarized synchrotron and thermal dust foregrounds

Better understanding of Galactic foregrounds is one of the main obstacles to detection of primordial gravitational waves through measurement of the B mode in the polarized microwave sky. We generalize the method proposed in…

Cosmology and Nongalactic Astrophysics · Physics 2018-11-09 Hao Liu , James Creswell , Pavel Naselsky

Polarization measurements of hot dust stars and the local interstellar medium

Debris discs are typically revealed through excess emission at infrared wavelengths. Most discs exhibit excess at mid- and far-infrared wavelengths, analogous to the solar system's Asteroid and Edgeworth-Kuiper belts. Recently, stars with…

Earth and Planetary Astrophysics · Physics 2016-07-20 J. P. Marshall , D. V. Cotton , K. Bott , S. Ertel , G. M. Kennedy , M. C. Wyatt , C. del Burgo , O. Absil , J. Bailey , L. Kedziora-Chudczer

Polarization Observations with the Cosmic Background Imager

Polarization observations of the cosmic microwave background with the Cosmic Background Imager from September 2002 to May 2004 provide a significant detection of the E-mode polarization and reveal an angular power spectrum of polarized…

Astrophysics · Physics 2007-05-23 A. C. S. Readhead , S. T. Myers , T. J. Pearson , J. L. Sievers , B. S. Mason , C. R. Contaldi , J. R. Bond , R. Bustos , P. Altamirano , C. Achermann , L. Bronfman , J. E. Carlstrom , J. K. Cartwright , S. Casassus , C. Dickinson , W. L. Holzapfel , J. M. Kovac , E. M. Leitch , J. May , S. Padin , D. Pogosyan , M. Pospieszalski , C. Pryke , R. Reeves , M. C. Shepherd , S. Torres

High-precision polarimetry of nearby stars (d<50 pc) Mapping the interstellar dust and magnetic field inside the Local Bubble

We investigate the linear polarization produced by interstellar dust aligned by the magnetic field in the solar neighborhood (d< 50 pc). We also look for intrinsic effects from circumstellar processes, specifically in terms of polarization…

Astrophysics of Galaxies · Physics 2020-03-11 V. Piirola , A. Berdyugin , P. C. Frisch , M. Kagitani , T. Sakanoi , S. Berdyugina , A. A. Cole , C. Harlingten , K. Hill

Galactic Synchrotron Foreground and the CMB Polarization Measurements

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

Evidence for large-scale excesses associated with low HI column densities in the sky $$\\$$I. Dust excess

Where dust and gas are uniformly mixed, atomic hydrogen can be traced through the detection of far-infrared (FIR) or UV emission of dust. We considered, for the origin of discrepancies observed between various direct and indirect tracers of…

Astrophysics of Galaxies · Physics 2022-11-30 Jean-Marc Casandjian , Jean Ballet , Isabelle Grenier , Quentin Remy

Foregrounds for observations of the cosmological 21 cm line: I. First Westerbork measurements of Galactic emission at 150 MHz in a low latitude field

We present the first results from a series of observations conducted with the Westerbork telescope in the 140--160 MHz range with a 2 arcmin resolution aimed at characterizing the properties of the foregrounds for epoch of reionization…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 G. Bernardi , A. G. de Bruyn , M. A. Brentjens , B. Ciardi , G. Harker , V. Jelic , L. V. E. Koopmans , P. Labropoulos , A. Offringa , V. N. Pandey , J. Schaye , R. M. Thomas , S. Yatawatta , S. Zaroubi

Evidence for cloud-to-cloud variations in the ratio of polarized thermal dust emission to starlight polarization

The correlation between optical starlight polarization and polarized thermal dust emission can be used to infer intrinsic dust properties. This correlation is quantified by the ratio Rp/p, which has been measured to be 5.42 +/- 0.05 MJy…

Astrophysics of Galaxies · Physics 2026-04-01 Nidhi Mehandiratta , Georgia V. Panopoulou , Eirik Gjerløw , Vincent Pelgrims , Konstantinos Tassis , Dmitry Blinov , Brandon Hensley , John A. Kypriotakis , Siddharth Maharana , Nikos Mandarakas , Vasiliki Pavlidou , Stephen B. Potter , A. N. Ramaprakash , Raphael Skalidis , Namita Uppal

An angular power spectrum analysis of the DRAO 1.4 GHz polarization survey: implications for CMB observations

The aim of the present analysis is to improve the knowledge of the statistical properties of the Galactic diffuse synchrotron emission, which constrains sensitive CMB anisotropy measurements. We have analysed the new DRAO 1.4 GHz…

Astrophysics · Physics 2009-11-11 L. La Porta , C. Burigana , W. Reich , P. Reich

New insights into foreground analysis of the WMAP five-year data using FASTICA

In this paper, we present a foreground analysis of the WMAP 5-year data using the FASTICA algorithm, improving on the treatment of the WMAP 3-year data in Bottino et al 2008. We revisit the nature of the free-free spectrum with the emphasis…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 M. Bottino , A. J. Banday , D. Maino