activity
20102026
most citedThe LOFAR Two-metre Sky Survey - II. First data release

586 citations · 3k across the 45 of their papers we have counts for

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36 papers · 1 filter

astro-ph.GA2026

The diverse morphologies and evolution of low-luminosity edge-brightened radio galaxies

B. Barkus, J. H. Croston, B. Mingo +3

Fanaroff-Riley class I (FRI) radio galaxies show centre-brightened emission from disrupted lower power jets, while traditionally more luminous class II (FRIIs), are edge-brightened…

astro-ph.GA2025★ 1 cited

The Polarisation Sky Survey of the Universe's Magnetism (POSSUM): Science Goals and Survey Description

B. M. Gaensler, G. H. Heald, N. M. McClure-Griffiths +57

The Australian SKA Pathfinder (ASKAP) offers powerful new capabilities for studying the polarised and magnetised Universe at radio wavelengths. In this paper, we introduce the Pola…

astro-ph.GA2025

Radio AGN selection in LoTSS DR2

M. J. Hardcastle, J. C. S. Pierce, K. J. Duncan +6

The wide-area component of the LOFAR Two-Metre Sky Survey (LoTSS) is currently the largest radio survey ever carried out, and a large fraction of the 4.5 million radio sources it c…

astro-ph.GA2024★ 3 cited

GaLactic and Extragalactic All-sky Murchison Widefield Array eXtended (GLEAM-X) survey II: Second Data Release

K. Ross, N. Hurley-Walker, T. J. Galvin +9

We present the second data release for the GaLactic and Extragalactic All-sky Murchison Widefield Array eXtended (GLEAM-X) survey. This data release is an area of 12,892-deg^2 arou…

astro-ph.GA2024

The LOFAR Two-metre Sky Survey: The nature of the faint source population and SFR-radio luminosity relation using Prospector

Soumyadeep Das, Daniel J. B. Smith, Paul Haskell +12

Spectral energy distribution (SED) fitting has been extensively used to determine the nature of the faint radio source population. Recent efforts have combined fits from multiple S…

astro-ph.GA2024

Exploring the radio-loudness of SDSS quasars with spectral stacking

M. I. Arnaudova, D. J. B. Smith, M. J. Hardcastle +9

We use new 144 MHz observations over 5634 deg from the LOFAR Two-metre Sky Survey (LoTSS) to compile the largest sample of uniformly-selected, spectroscopically-confirmed quasa…

astro-ph.GA2023★ 69 cited

The LOFAR Two-Metre Sky Survey (LoTSS): VI. Optical identifications for the second data release

M. J. Hardcastle, M. A. Horton, W. L. Williams +49

The second data release of the LOFAR Two-Metre Sky Survey (LoTSS) covers 27% of the northern sky, with a total area of deg. The high angular resolution of LOFAR wi…

astro-ph.GA2023★ 38 cited

The LOFAR Two-metre Sky Survey: the radio view of the cosmic star formation history

R. K. Cochrane, R. Kondapally, P. N. Best +9

We present a detailed study of the cosmic star formation history over per cent of cosmic time (), using deep, radio continuum observations that probe sta…

astro-ph.GA2023★ 90 cited

The LOFAR Two-metre Sky Survey Deep Fields Data Release 1: V. Survey description, source classifications and host galaxy properties

P. N. Best, R. Kondapally, W. L. Williams +26

Source classifications, stellar masses and star formation rates are presented for 80,000 radio sources from the first data release of the Low Frequency Array Two-metre Sky Survey (…

astro-ph.GA2023★ 11 cited

Radio Galaxy Zoo EMU: Towards a Semantic Radio Galaxy Morphology Taxonomy

Micah Bowles, Hongming Tang, Eleni Vardoulaki +20

We present a novel natural language processing (NLP) approach to deriving plain English descriptors for science cases otherwise restricted by obfuscating technical terminology. We…

astro-ph.GA2022★ 39 cited

V-LoTSS: The Circularly-Polarised LOFAR Two-metre Sky Survey

J. R. Callingham, T. W. Shimwell, H. K. Vedantham +44

We present the detection of 68 sources from the most sensitive radio survey in circular polarisation conducted to date. We use the second data release of the 144 MHz LOFAR Two-metr…

astro-ph.GA2021★ 7 cited

VLA Snapshot Continuum Survey of FRI Quasar Candidates Selected from the LOFAR Two-Metre Sky Survey (LoTSS)

Gülay Gürkan, Judith Croston, Martin Hardcastle +3

The radiative and jet power in active galactic nuclei is generated by accretion of material on to supermassive galactic-centre black holes. For quasars, where the radiative power i…

astro-ph.GA2021★ 22 cited

The LOFAR Two-metre Sky Survey Deep fields: A new analysis of low-frequency radio luminosity as a star-formation tracer in the Lockman Hole region

M. Bonato, I. Prandoni, G. De Zotti +14

We have exploited LOFAR deep observations of the Lockman Hole field at 150 MHz to investigate the relation between the radio luminosity of star-forming galaxies (SFGs) and their st…

astro-ph.GA2021★ 20 cited

Radio Morphology of Red Geysers

Namrata Roy, Emily Moravec, Kevin Bundy +10

We present 150 MHz, 1.4 GHz, and 3 GHz radio imaging (LoTSS, FIRST and VLASS) and spatially resolved ionized gas characteristics (SDSS IV-MaNGA) for 140 local () early-type…

astro-ph.GA2021★ 61 cited

The radio loudness of SDSS quasars from the LOFAR Two-metre Sky Survey: ubiquitous jet activity and constraints on star formation

C. Macfarlane, P. N. Best, J. Sabater +9

We examine the distribution of radio emission from ~42,000 quasars from the Sloan Digital Sky Survey, as measured in the LOFAR Two-Metre Sky Survey (LoTSS). We present a model of t…

astro-ph.GA2021★ 16 cited

Gravitational lensing in LoTSS DR2 -- Extremely faint 144-MHz radio emission from two highly magnified quasars

J. P. McKean, R. Luichies, A. Drabent +8

We report extremely faint 144 MHz radio emission from two gravitationally lensed quasars, SDSS J1004+4112 (z = 1.730) and SDSS J2222+2745 (z = 2.803), using the LOFAR Two Metre Sky…

astro-ph.GA2020★ 14 cited

The LOFAR Two-metre Sky Survey Deep Fields -- Data Release 1: IV. Photometric redshifts and stellar masses

K. J. Duncan, R. Kondapally, M. J. I. Brown +20

The Low Frequency Array (LOFAR) Two-metre Sky Survey (LoTSS) is a sensitive, high-resolution 120-168 MHz survey split across multiple tiers over the northern sky. The first LoTSS D…

astro-ph.GA2020★ 26 cited

The bright end of the infrared luminosity functions and the abundance of hyperluminous infrared galaxies

L. Wang, F. Gao, P. N. Best +20

We provide the most accurate estimate yet of the bright end of the infrared (IR) luminosity functions (LFs) and the abundance of hyperluminous IR galaxies (HLIRGs) with IR luminosi…

astro-ph.GA2020★ 118 cited

The LOFAR Two Metre Sky Survey: Deep Fields Data Release 1 -- III. Host-galaxy identifications and value added catalogues

R. Kondapally, P. N. Best, M. J. Hardcastle +40

We present the source associations, cross-identifications, and multi-wavelength properties of the faint radio source population detected in the deep tier of the LOFAR Two Metre Sky…

astro-ph.GA2020★ 98 cited

The LOFAR Two-metre Sky Survey Deep fields: The star formation rate - radio luminosity relation at low frequencies

D. J. B. Smith, P. Haskell, G. Gürkan +17

In this paper, we investigate the relationship between 150MHz luminosity and star formation rate (the SFR-L150 relation) using 150MHz measurements for a near-infrared selected samp…

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★ 12 cited

Warped diffusive radio halo around the quiescent spiral edge-on galaxy NGC 4565

V. Heesen, L. Whitler, P. Schmidt +12

Cosmic rays play a pivotal role in launching galactic winds, particularly in quiescently star-forming galaxies where the hot gas alone is not sufficient to drive a wind. Except for…

astro-ph.GA2019★ 216 cited

Revisiting the Fanaroff-Riley dichotomy and radio-galaxy morphology with the LOFAR Two-Metre Sky Survey (LoTSS)

B. Mingo, J. H. Croston, M. J. Hardcastle +15

The relative positions of the high and low surface brightness regions of radio-loud active galaxies in the 3CR sample were found by Fanaroff and Riley to be correlated with their l…

astro-ph.GA2018★ 67 cited

The environments of radio-loud AGN from the LOFAR Two-Metre Sky Survey (LoTSS)

J. H. Croston, M. J. Hardcastle, B. Mingo +13

An understanding of the relationship between radio-loud active galaxies and their large-scale environments is essential for realistic modelling of radio-galaxy evolution and enviro…