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20002024
most citedThe LOFAR Two-metre Sky Survey -- V. Second data release

489 citations · 1k across the 31 of their papers we have counts for

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23 papers · 1 filter

astro-ph.GA2024

Prototype Faraday rotation measure catalogs from the Polarisation Sky Survey of the Universe's Magnetism (POSSUM) pilot observations

S. Vanderwoude, J. L. West, B. M. Gaensler +12

The Polarisation Sky Survey of the Universe's Magnetism (POSSUM) will conduct a sensitive 1 GHz radio polarization survey covering 20 000 square degrees of the Southern sky w…

astro-ph.GA2023

All We Are Is Dust In The WIM: Constraints on Dust Properties in the Milky Way's Warm Ionized Medium

J. L. West, B. M. Gaensler, M. -A. Miville-Deschênes +5

We present a comparison of the presence and properties of dust in two distinct phases of the Milky Way's interstellar medium: the warm neutral medium (WNM) and the warm ionized med…

astro-ph.GA2023★ 1 cited

The Rapid ASKAP Continuum Survey III: Spectra and Polarisation In Cutouts of Extragalactic Sources (SPICE-RACS) First Data Release

Alec J. M. Thomson, David McConnell, Emil Lenc +23

The Australian SKA Pathfinder (ASKAP) radio telescope has carried out a survey of the entire Southern Sky at 887.5MHz. The wide area, high angular resolution, and broad bandwidth p…

astro-ph.GA2023★ 31 cited

A Catalogue of Radio Supernova Remnants and Candidate Supernova Remnants in the EMU/POSSUM Galactic Pilot Field

Brianna D. Ball, Roland Kothes, Erik Rosolowsky +15

We use data from the pilot observations of the EMU/POSSUM surveys to study the "missing supernova remnant (SNR) problem", the discrepancy between the number of Galactic SNRs that h…

astro-ph.GA2022★ 5 cited

Discovery of a filamentary synchrotron structure connected to the coherent magnetic field in the outer Galaxy

J. L. West, J. L. Campbell, P. Bhaura +9

Using data from the Galactic Arecibo L-band Feed Array Continuum Transit Survey (GALFACTS), we report the discovery of two previously unidentified, very compressed, thin, and strai…

astro-ph.GA2022

Structure in the Magnetic Field of the Milky Way Disk and Halo traced by Faraday Rotation

John M. Dickey, Jennifer West, Alec J. M. Thomson +14

Magnetic fields in the ionized medium of the disk and halo of the Milky Way impose Faraday rotation on linearly polarized radio emission. We compare two surveys mapping the Galacti…

astro-ph.GA2022★ 33 cited

Orion A's complete 3D magnetic field morphology

M. Tahani, J. Glover, W. Lupypciw +11

Magnetic fields permeate the interstellar medium and are important in the star formation process. Determining the 3D magnetic fields of molecular clouds will allow us to better und…

astro-ph.GA2022★ 489 cited

The LOFAR Two-metre Sky Survey -- V. Second data release

T. W. Shimwell, M. J. Hardcastle, C. Tasse +103

In this data release from the LOFAR Two-metre Sky Survey (LoTSS) we present 120-168MHz images covering 27% of the northern sky. Our coverage is split into two regions centred at ap…

astro-ph.GA2022★ 43 cited

3D magnetic field morphology of the Perseus molecular cloud

M. Tahani, W. Lupypciw, J. Glover +11

Despite recent observational and theoretical advances in mapping the magnetic fields associated with molecular clouds, their three-dimensional (3D) morphology remains unresolved. M…

astro-ph.GA2021★ 20 cited

A Unified Model for the Fan Region and the North Polar Spur: A bundle of filaments in the Local Galaxy

J. L. West, T. L. Landecker, B. M. Gaensler +2

We present a simple, unified model that can explain two of the brightest, large-scale, diffuse, polarized radio features in the sky, the North Polar Spur (NPS) and the Fan Region,…

astro-ph.GA2021★ 29 cited

The Global Magneto-Ionic Medium Survey: A Faraday Depth Survey of the Northern Sky Covering 1280-1750 MHz

M. Wolleben, T. L. Landecker, K. A. Douglas +17

The Galactic interstellar medium hosts a significant magnetic field, which can be probed through the synchrotron emission produced from its interaction with relativistic electrons.…

astro-ph.GA2021★ 10 cited

The Global Magneto-Ionic Medium Survey (GMIMS): The brightest polarized region in the Southern sky at 75cm and its implications for Radio Loop II

Alec J. M. Thomson, T. L. Landecker, N. M. McClure-Griffiths +16

Using the Global Magneto-Ionic Medium Survey (GMIMS) Low-Band South (LBS) southern sky polarization survey, covering 300 to 480 MHz at 81 arcmin resolution, we reveal the brightest…

astro-ph.GA2021★ 55 cited

The correct sense of Faraday rotation

K. Ferrière, J. L. West, T. R. Jaffe

The phenomenon of Faraday rotation of linearly polarized synchrotron emission in a magneto-ionized medium has been understood and studied for decades. But since the sense of the ro…

astro-ph.GA2021★ 42 cited

Early Science from POSSUM: Shocks, turbulence, and a massive new reservoir of ionised gas in the Fornax cluster

C. S. Anderson, G. H. Heald, J. A. Eilek +19

We present the first Faraday rotation measure (RM) grid study of an individual low-mass cluster -- the Fornax cluster -- which is presently undergoing a series of mergers. Exploiti…

astro-ph.GA2020

Magnetism Science with the Square Kilometre Array

George Heald, Sui Ann Mao, Valentina Vacca +41

The Square Kilometre Array (SKA) will answer fundamental questions about the origin, evolution, properties, and influence of magnetic fields throughout the Universe. Magnetic field…

astro-ph.GA2019

Canadian Investigations of the Interstellar Medium

Alex S. Hill, Jan Cami, Laura Fissel +10

The interstellar medium mediates galactic evolution as the reservoir of material for future star formation and the repository of energy and matter output by stellar processes. Cana…

astro-ph.GA2019★ 33 cited

Through thick or thin: Multiple components of the magneto-ionic medium towards the nearby region Sharpless 2-27 revealed by Faraday tomography

Alec J. M. Thomson, T. L. Landecker, John M. Dickey +12

Sharpless 2-27 (Sh2-27) is a nearby region excited by Oph. We present observations of polarized radio emission from 300 to 480MHz towards Sh2-27, made…

astro-ph.GA2019★ 16 cited

A Broadband Spectro-polarimetric View of the NVSS Rotation Measure Catalogue II: Effects of Off-axis Instrumental Polarisation

Yik Ki Ma, S. A. Mao, Jeroen Stil +5

The NRAO VLA Sky Survey (NVSS) Rotation Measure (RM) catalogue has enabled numerous studies in cosmic magnetism, and will continue being a unique dataset complementing future polar…

astro-ph.GA2019★ 30 cited

A Broadband Spectro-polarimetric View of the NVSS Rotation Measure Catalogue I: Breaking the nπ-ambiguity

Yik Ki Ma, S. A. Mao, Jeroen Stil +5

The NRAO VLA Sky Survey (NVSS) Rotation Measure (RM) catalogue is invaluable for the study of cosmic magnetism. However, the RM values reported in it can be affected by n-ambigu…

astro-ph.GA2018

The extraordinary linear polarisation structure of the southern Centaurus A lobe revealed by ASKAP

Craig S. Anderson, George Heald, Shane P. O'Sullivan +14

We present observations of linear polarisation in the southern radio lobe of Centaurus A, conducted during commissioning of the Australian Square Kilometre Array Pathfinder (ASKAP)…

astro-ph.GA2018★ 1 cited

From the NVSS RM Catalogue to Future Polarisation Surveys

Yik Ki Ma, S. A. Mao, Jeroen Stil +5

With rotation measure (RM) towards 37,543 polarised sources, the Taylor et al. (2009) RM catalogue has been widely exploited in studies of the foreground magneto-ionic media. Howev…

astro-ph.GA2017

Radio Polarisation Study of High Rotation Measure AGNs

Yik Ki Ma, Sui Ann Mao, Aritra Basu +2

As radio polarised emission from astrophysical objects traverse through foreground magnetised plasma, the physical conditions along the lines of sight are encrypted in the form of…

astro-ph.GA2013★ 23 cited

Two Radio Supernova Remnants Discovered in the Outer Galaxy

Tyler Foster, Brendan Cooper, Wolfgang Reich +2

We report on the discovery of two supernova remnants (SNRs) designated G152.4-2.1 and G190.9-2.2, using Canadian Galactic Plane Survey data. The aims of this paper are, first, to p…