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Related papers: The Galactic Faraday rotation sky 2020

200 papers

Using commissioning data from the first year of operation of the Canadian Hydrogen Intensity Mapping Experiment's (CHIME) Pulsar backend system, we conduct a systematic analysis of the Faraday Rotation Measure (RM) of the northern…

Instrumentation and Methods for Astrophysics · Physics 2020-06-17 C. Ng , A. Pandhi , A. Naidu , E. Fonseca , V. M. Kaspi , K. W. Masui , R. Mckinven , A. Renard , P. Scholz , I. H. Stairs , S. P. Tendulkar , K. Vanderlinde

We study the Faraday rotation measure (RM) due to the Galactic magnetic field (GMF) toward high Galactic latitudes. The RM arises from the global, regular component as well as from the turbulent, random component of the GMF. We model the…

Astrophysics of Galaxies · Physics 2015-06-15 Takuya Akahori , Dongsu Ryu , Jongsoo Kim , B. M. Gaensler

We present the measurements of Faraday rotation for 477 pulsars observed by the Parkes 64-m radio telescope and the Green Bank 100-m radio telescope. Using these results along with previous measurements for pulsars and extra-galactic…

Astrophysics of Galaxies · Physics 2018-01-31 J. L. Han , R. N. Manchester , W. van Straten , P. Demorest

Faraday tomography allows us to map diffuse polarized synchrotron emission from our Galaxy and use it to interpret the magnetic field in the interstellar medium (ISM). We have applied Faraday tomography to 60 observations from the LOFAR…

Context: Faraday rotation measurements of extragalactic radio sources during coronal occultation allow assessment of both the electron density distribution and the three-dimensional magnetic field topology in the outer solar corona. Aims:…

Astrophysics · Physics 2008-11-26 S. Mancuso , M. V. Garzelli

We present a broadband spectropolarimetric survey of 563 discrete, mostly unresolved radio sources between 1.3 \& 2.0 GHz using data taken with the Australia Telescope Compact Array (ATCA). We have used rotation measure synthesis to…

Astrophysics of Galaxies · Physics 2015-12-16 C. S. Anderson , B. M. Gaensler , I. J. Feain , T. M. O. Franzen

We perform polarimetry analysis of 20 active galactic nuclei (AGN) jets using the Very Long Baseline Array (VLBA) at 1.4, 1.6, 2.2, 2.4, 4.6, 5.0, 8.1, 8.4, and 15.4 GHz. The study allowed us to investigate linearly polarized properties of…

High Energy Astrophysical Phenomena · Physics 2018-03-12 E. V. Kravchenko , Y. Y. Kovalev , K. V. Sokolovsky

Contribution of resolved and unresolved extragalactic point sources to the low-frequency sky spectrum is a potentially non-negligible part of the astrophysical foregrounds for cosmic dawn 21-cm experiments. The clustering of such point…

Cosmology and Nongalactic Astrophysics · Physics 2024-10-01 Shikhar Mittal , Girish Kulkarni , Dominic Anstey , Eloy de Lera Acedo

We present first results for Faraday rotation of compact polarized sources (1 to 2 GHz continuum) in The HI/OH/Recombination line (THOR) survey of the inner Galaxy. In the Galactic longitude range 39 degr < l < 52 degr, we find rotation…

Context. The existence of magnetic fields in the circumgalactic medium (CGM) is largely unconstrained. Their detection is important as magnetic fields can have a significant impact on the evolution of the CGM and, in turn, the fields can…

Faraday rotation contains information about the magnetic field structure along the line of sight and is an important instrument in the study of cosmic magnetism. Traditional Faraday spectrum deconvolution methods such as RMCLEAN face…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-18 Victor Gustafsson , Marcus Brüggen , Torsten Enßlin

RM Synthesis was recently developed as a new tool for the interpretation of polarized emission data in order to separate the contributions of different sources lying on the same line of sight. Until now the method was mainly applied to…

Astrophysics of Galaxies · Physics 2012-05-04 P. Frick , D. Sokoloff , R. Stepanov , R. Beck

Archival data have been combined with recent observations of the Galactic plane using the Very Large Array to create new catalogs of compact centimetric radio sources. The 20 cm source catalog covers a longitude range of -20 deg < l < 120…

Astrophysics · Physics 2008-11-26 Richard L. White , Robert H. Becker , David J. Helfand

We investigate the potential of the Square Kilometre Array (SKA) for measuring the magnetic fields in clusters of galaxies via Faraday rotation of background polarised sources. [...] We find that about 10 per cent of the sky is covered by a…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Martin Krause , Paul Alexander , Rosie Bolton , Joern Geisbuesch , David A. Green , Julia Riley

The Sloan Digital Sky Survey (SDSS) started a new phase in August 2008, with new instrumentation and new surveys focused on Galactic structure and chemical evolution, measurements of the baryon oscillation feature in the clustering of…

Instrumentation and Methods for Astrophysics · Physics 2015-05-27 III collaboration , Hiroaki Aihara , Carlos Allende Prieto , Deokkeun An , Scott F. Anderson , Éric Aubourg , Eduardo Balbinot , Timothy C. Beers , Andreas A. Berlind , Steven J. Bickerton , Dmitry Bizyaev , Michael R. Blanton , John J. Bochanski , Adam S. Bolton , Jo Bovy , W. N. Brandt , J. Brinkmann , Peter J. Brown , Joel R. Brownstein , Nicolas G. Busca , Heather Campbell , Michael A. Carr , Yanmei Chen , Cristina Chiappini , Johan Comparat , Natalia Connolly , Marina Cortes , Rupert A. C. Croft , Antonio J. Cuesta , Luiz N. da Costa , James R. A. Davenport , Kyle Dawson , Saurav Dhital , Anne Ealet , Garrett L. Ebelke , Edward M. Edmondson , Daniel J. Eisenstein , Stephanie Escoffier , Massimiliano Esposito , Michael L. Evans , Xiaohui Fan , Bruno Femení a Castellá , Andreu Font-Ribera , Peter M. Frinchaboy , Jian Ge , Bruce A. Gillespie , G. Gilmore , Jonay I. González Hernández , J. Richard Gott , Andrew Gould , Eva K. Grebel , James E. Gunn , Jean-Christophe Hamilton , Paul Harding , David W. Harris , Suzanne L. Hawley , Frederick R. Hearty , Shirley Ho , David W. Hogg , Jon A. Holtzman , Klaus Honscheid , Naohisa Inada , Inese I. Ivans , Linhua Jiang , Jennifer A. Johnson , Cathy Jordan , Wendell P. Jordan , Eyal A. Kazin , David Kirkby , Mark A. Klaene , G. R. Knapp , Jean-Paul Kneib , C. S. Kochanek , Lars Koesterke , Juna A. Kollmeier , Richard G. Kron , Hubert Lampeitl , Dustin Lang , Jean-Marc Le Goff , Young Sun Lee , Yen-Ting Lin , Daniel C. Long , Craig P. Loomis , Sara Lucatello , Britt Lundgren , Robert H. Lupton , Zhibo Ma , Nicholas MacDonald , Suvrath Mahadevan , Marcio A. G. Maia , Martin Makler , Elena Malanushenko , Viktor Malanushenko , Rachel Mandelbaum , Claudia Maraston , Daniel Margala , Karen L. Masters , Cameron K. McBride , Peregrine M. McGehee , Ian D. McGreer , Brice Ménard , Jordi Miralda-Escudé , Heather L. Morrison , F. Mullally , Demitri Muna , Jeffrey A. Munn , Hitoshi Murayama , Adam D. Myers , Tracy Naugle , Angelo Fausti Neto , Duy Cuong Nguyen , Robert C. Nichol , Robert W. O'Connell , Ricardo L. C. Ogando , Matthew D. Olmstead , Daniel J. Oravetz , Nikhil Padmanabhan , Nathalie Palanque-Delabrouille , Kaike Pan , Parul Pandey , Isabelle Pâris , Will J. Percival , Patrick Petitjean , Robert Pfaffenberger , Janine Pforr , Stefanie Phleps , Christophe Pichon , Matthew M. Pieri , Francisco Prada , Adrian M. Price-Whelan , M. Jordan Raddick , Beatriz H. F. Ramos , Céline Reylé , James Rich , Gordon T. Richards , Hans-Walter Rix , Annie C. Robin , Helio J. Rocha-Pinto , Constance M. Rockosi , Natalie A. Roe , Emmanuel Rollinde , Ashley J. Ross , Nicholas P. Ross , Bruno M. Rossetto , Ariel G. Sánchez , Conor Sayres , David J. Schlegel , Katharine J. Schlesinger , Sarah J. Schmidt , Donald P. Schneider , Erin Sheldon , Yiping Shu , Jennifer Simmerer , Audrey E. Simmons , Thirupathi Sivarani , Stephanie A. Snedden , Jennifer S. Sobeck , Matthias Steinmetz , Michael A. Strauss , Alexander S. Szalay , Masayuki Tanaka , Aniruddha R. Thakar , Daniel Thomas , Jeremy L. Tinker , Benjamin M. Tofflemire , Rita Tojeiro , Christy A. Tremonti , Jan Vandenberg , M. Vargas Magaña , Licia Verde , Nicole P. Vogt , David A. Wake , Ji Wang , Benjamin A. Weaver , David H. Weinberg , Martin White , Simon D. M. White , Brian Yanny , Naoki Yasuda , Christophe Yeche , Idit Zehavi

Faraday rotation measure (RM) is arguably the most practical observational tracer of magnetic fields in the diffuse circumgalactic medium (CGM). We sample synthetic Faraday rotation skies of Milky Way-like galaxies in TNG50 of the…

Structures in the magnetoionic medium exist across a wide range of angular sizes owing to large-scale magnetic fields coherent over the Galactic spiral arms combined with small-scale fluctuations in the magnetic field and electron density…

We present a study of the Milky Way disk and halo magnetic field, determined from observations of Faraday rotation measure (RM) towards 641 polarized extragalactic radio sources in the Galactic longitude range 100-117 degs, within 30 degs…

We have determined 194 Faraday rotation measures (RMs) of polarized extragalactic radio sources using new, multi-channel polarization observations at frequencies around 1.4 GHz from the Very Large Array (VLA) in the Galactic plane at…

Active galactic nuclei (AGN) play an integral role in galaxy formation and evolution by influencing galaxies and their environments through radio jet feedback. Historically, interpreting observations of radio galaxies and quantifying radio…