activity
20122026
most citedThe LOFAR Two-metre Sky Survey - I. Survey Description and Preliminary Data Release

654 citations · 1.9k across the 44 of their papers we have counts for

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29 papers · 1 filter

astro-ph.GA2026

EMU Radio Observations of Barred Spiral Galaxy NGC 5938 (Araish)

H. Zakir, M. D. Filipović, L. Barnes +14

We present multi-wavelength observations of the nearby spiral galaxy NGC 5938 (Araish) to investigate the origin of its radio emission, specifically the contribution from active ga…

astro-ph.GA2026

The GLEAM 4-Jy (G4Jy) Sample: III. Further host-galaxy identification, and redshift assessment

Sarah V. White, Precious K. Sejake, Kshitij Thorat +17

In this paper we present 127 new host-galaxy identifications for G4Jy sources (S_151MHz > 4 Jy), based on radio images from MeerKAT, the Very Large Array Sky Survey (VLASS), and th…

astro-ph.GA2026

Properties of Polarized Radio Sources in the Wide Chandra Deep Field South from 2 to 4GHz

Samantha Adams, Mark Lacy, Preshanth Jagannathan +14

We present a study of the linear polarization properties of radio sources within the 10 deg Wide Chandra Deep Field South (W-CDFS) in S-band (2-4 GHz). Our W-CDFS image has an…

astro-ph.GA2025

The GLEAM 4-Jy (G4Jy) Sample: IV. Multiwavelength data and analysis

Sarah V. White, Precious K. Sejake, Kshitij Thorat +17

We provide an updated 'multiwavelength' version of the G4Jy catalogue (available at https://github.com/svw26/G4Jy, https://zenodo.org/communities/g4jy/records, and through VizieR),…

astro-ph.GA2025★ 20 cited

The Evolutionary Map of the Universe: A new radio atlas for the southern hemisphere sky

A. M. Hopkins, A. Kapinska, J. Marvil +70

We present the Evolutionary Map of the Universe (EMU) survey conducted with the Australian Square Kilometre Array Pathfinder (ASKAP). EMU aims to deliver the touchstone radio atlas…

astro-ph.GA2024

RG-CAT: Detection Pipeline and Catalogue of Radio Galaxies in the EMU Pilot Survey

Nikhel Gupta, Ray P. Norris, Zeeshan Hayder +15

We present source detection and catalogue construction pipelines to build the first catalogue of radio galaxies from the 270 pilot survey of the Evolutionary Map of the…

astro-ph.GA2021★ 16 cited

The GLEAMing of the First Supermassive Black Holes

Guillaume Drouart, Nick Seymour, Tim J. Galvin +7

We present the results of a new selection technique to identify powerful (WHz) radio galaxies towards the end of the Epoch of Reionisation. Our m…

astro-ph.GA2021★ 7 cited

The GLEAM 200 MHz Local Radio Luminosity Function for AGN and Star-forming Galaxies

T. M. O. Franzen, N. Seymour, E. M. Sadler +24

The GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) is a radio continuum survey at 76-227 MHz of the entire southern sky (Declination ) with an angular…

astro-ph.GA2021★ 12 cited

GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey III: South Galactic Pole data release

T. Franzen, N. Hurley-Walker, S. White +5

We present the South Galactic Pole (SGP) data release from the GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey. These data combine both years of GLEAM o…

astro-ph.GA2021★ 31 cited

Remnant Radio Galaxies Discovered in a Multi-frequency Survey

B. Quici, N. Hurley-Walker, N. Seymour +20

The remnant phase of a radio galaxy begins when the jets launched from an active galactic nucleus are switched off. To study the fraction of radio galaxies in a remnant phase, we t…

astro-ph.GA2020★ 17 cited

Radio Galaxy Zoo: New Giant Radio Galaxies in the RGZ DR1catalogue

H. Tang, A. M. M. Scaife, O. I. Wong +5

In this paper, we present the identification of five previously unknown giant radio galaxies (GRGs) using Data Release 1 of the Radio Galaxy Zoo citizen science project and a selec…

astro-ph.GA2020★ 62 cited

Unexpected Circular Radio Objects at High Galactic Latitude

Ray P. Norris, Huib T. Intema, Anna D. Kapinska +26

We have found a class of circular radio objects in the Evolutionary Map of the Universe Pilot Survey, using the Australian Square Kilometre Array Pathfinder telescope. The objects…

astro-ph.GA2020★ 36 cited

FLASH Early Science -- Discovery of an intervening HI 21-cm absorber from an ASKAP survey of the GAMA 23 field

J. R. Allison, E. M. Sadler, S. Bellstedt +18

We present early science results from the First Large Absorption Survey in HI (FLASH), a spectroscopically blind survey for 21-cm absorption lines in cold hydrogen HI gas at cosmol…

astro-ph.GA2020★ 14 cited

PKS 2250351: A Giant Radio Galaxy in Abell 3936

N. Seymour, M. Huynh, S. S. Shabala +27

We present a detailed analysis of the radio galaxy PKS 2250-351, a giant of 1.2 Mpc projected size, its host galaxy, and its environment. We use radio data from the Murchison Widef…

astro-ph.GA2019★ 60 cited

GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey II: Galactic Plane ,

Natasha Hurley-Walker, Paul J. Hancock, Thomas M. O. Franzen +16

This work makes available a further 2,860deg of the GLEAM survey, covering half of the accessible Galactic Plane, across twenty frequency bands sampling MHz, with resol…

astro-ph.GA2019★ 29 cited

The ASKAP-EMU Early Science Project:Radio Continuum Survey of the Small Magellanic Cloud

T. D. Joseph, M. D. Filipović, E. J. Crawford +53

We present two new radio continuum images from the Australian Square Kilometre Array Pathfinder (ASKAP) survey in the direction of the Small Magellanic Cloud (SMC). These images ar…

astro-ph.GA2019★ 23 cited

The XXL Survey: XXXVI. Evolution and black hole feedback of high-excitation and low-excitation radio galaxies in XXL-S

Andrew Butler, Minh Huynh, Anna Kapinska +5

The evolution of the comoving kinetic luminosity densities () of the radio loud (RL) high-excitation radio galaxies (RL HERGs) and the low-excitation radio galaxies (…

astro-ph.GA2019★ 49 cited

Radio Galaxy Zoo: The Distortion of Radio Galaxies by Galaxy Clusters

Avery F. Garon, Lawrence Rudnick, O. Ivy Wong +9

We study the impact of cluster environment on the morphology of a sample of 4304 extended radio galaxies from Radio Galaxy Zoo. A total of 87% of the sample lies within a projected…

astro-ph.GA2018★ 19 cited

Radio Galaxy Zoo: Observational evidence for environment as the cause of radio source asymmetry

P. E. Rodman, R. J. Turner, S. S. Shabala +7

We investigate the role of environment on radio galaxy properties by constructing a sample of large (~kpc), nearby () radio sources identified as part of the Rad…

astro-ph.GA2018★ 2 cited

The MWA GLEAM 4-Jy (G4Jy) Sample

Sarah V. White, Thomas M. O. Franzen, O. Ivy Wong +15

Powerful radio-galaxies feature heavily in our understanding of galaxy evolution. However, when it comes to studying their properties as a function of redshift and/or environment,…

astro-ph.GA2018★ 6 cited

A Multi-Frequency Study of the Milky Way-like Spiral Galaxy NGC 6744

Miranda Yew, Miroslav D. Filipović, Quentin Roper +14

We present a multi-frequency study of the intermediate spiral SAB(r)bc type galaxy NGC 6744, using available data from the Chandra X-Ray telescope, radio continuum data from the Au…

astro-ph.GA2017★ 51 cited

Radio Galaxy Zoo: A Search for Hybrid Morphology Radio Galaxies

A. D. Kapinska, I. Terentev, O. I. Wong +14

Hybrid morphology radio sources are a rare type of radio galaxy that display different Fanaroff-Riley classes on opposite sides of their nuclei. To enhance the statistical analysis…

astro-ph.GA2017★ 57 cited

The Spectral Energy Distribution of Powerful Starburst Galaxies I: Modelling the Radio Continuum

T J Galvin, N Seymour, J Marvil +24

We have acquired radio continuum data between 70\,MHz and 48\,GHz for a sample of 19 southern starburst galaxies at moderate redshifts () with the aim of separat…

astro-ph.GA2017★ 35 cited

Spectral energy distribution and radio halo of NGC 253 at low radio frequencies

A. D. Kapinska, L. Staveley-Smith, R. Crocker +67

We present new radio continuum observations of NGC253 from the Murchison Widefield Array at frequencies between 76 and 227 MHz. We model the broadband radio spectral energy distrib…