activity
19952025
most citedMERLIN observations of relativistic ejections from GRS 1915+105

468 citations · 4.4k across the 117 of their papers we have counts for

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35 papers · 1 filter

astro-ph.GA2024★ 18 cited

The radio properties of the JWST-discovered AGN

G. Mazzolari, R. Gilli, R. Maiolino +23

We explore the radio emission of JWST-selected Broad Line AGN (BLAGN, or type 1) in the GOODS-N field. We use deep radio data at different frequencies (144\,MHz, 1.5\,GHz, 3\,GHz,…

astro-ph.GA2024

The VLBA CANDELS GOODS-North Survey. II -- Wide-field source catalogue comparison between the VLBA, EVN, e-MERLIN and VLA

Ann Njeri, Roger. P. Deane, J. F. Radcliffe +5

Deep radio surveys of extragalactic legacy fields trace a large range of spatial and brightness temperature sensitivity scales, and therefore have differing biases to radio-emittin…

astro-ph.GA2023★ 1 cited

Radio jets in NGC 1068 with e-MERLIN and VLA: structure and morphology

Isaac M. Mutie, David Williams-Baldwin, Robert J. Beswick +7

We present new high-sensitivity e-MERLIN and VLA radio images of the prototypical Seyfert 2 galaxy NGC 1068 at 5, 10 and 21 GHz. We image the radio jet, from the compact components…

astro-ph.GA2023★ 18 cited

The Co-Ordinated Radio and Infrared Survey for High-Mass Star Formation. V. The CORNISH-South Survey and Catalogue

T. Irabor, M. G. Hoare, M. Burton +32

We present the first high spatial resolution radio continuum survey of the southern Galactic plane. The CORNISH project has mapped the region defined by $295^{\circ} < l < 350^{\ci…

astro-ph.GA2021★ 34 cited

The radio emission from Active Galactic Nuclei

J. F. Radcliffe, P. D. Barthel, M. A. Garrett +3

For nearly seven decades astronomers have been studying active galaxies, that is to say galaxies with actively accreting central supermassive black holes, AGN. A small fraction of…

astro-ph.GA2021★ 19 cited

Nowhere to Hide: Radio-faint AGN in the GOODS-N field. II. Multi-wavelength AGN selection techniques and host galaxy properties

J. F. Radcliffe, P. D. Barthel, A. P. Thomson +3

Obtaining a census of active galactic nuclei (AGN) activity across cosmic time is critical to our understanding of galaxy evolution and formation. Many AGN classification technique…

astro-ph.GA2020★ 41 cited

LeMMINGs. II. The e-MERLIN legacy survey of nearby galaxies. The deepest radio view of the Palomar sample on parsec scale

R. D. Baldi, D. R. A. Williams, I. M. McHardy +30

We present the second data release of high-resolution ( arcsec) 1.5-GHz radio images of 177 nearby galaxies from the Palomar sample, observed with the e-MERLIN array, as p…

astro-ph.GA2020★ 37 cited

The e-MERLIN Galaxy Evolution Survey (e-MERGE): Overview and Survey Description

T. W. B. Muxlow, A. P. Thomson, J. F. Radcliffe +37

We present an overview and description of the eMERLIN Galaxy Evolution survey (eMERGE) Data Release 1 (DR1), a large program of high-resolution 1.5 GHz radio observations of the GO…

astro-ph.GA2020★ 14 cited

The curious activity in the nucleus of NGC 4151: jet interaction causing variability?

D. R. A. Williams, R. D. Baldi, I. M. McHardy +14

A key characteristic of many active galactic nuclei (AGN) is their variability, but its origin is poorly understood, especially in the radio domain. Williams et al. (2017) reported…

astro-ph.GA2020★ 4 cited

Searching for obscured AGN in z 2 submillimetre galaxies

H. Chen, M. A. Garrett, S. Chi +13

Submillimetre-selected galaxies (SMGs) at high redshift ( 2) are potential host galaxies of active galactic nuclei (AGN). If the local Universe is a good guide, 50…

astro-ph.GA2020★ 6 cited

SuperCLASS -- I. The Super CLuster Assisted Shear Survey: Project overview and Data Release 1

Richard A. Battye, Michael L. Brown, Caitlin M. Casey +24

The SuperCLuster Assisted Shear Survey (SuperCLASS) is a legacy programme using the e-MERLIN interferometric array. The aim is to observe the sky at L-band (1.4 GHz) to a r.m.s. of…

astro-ph.GA2019★ 20 cited

An insight into the extragalactic transient and variable microJy radio sky across multiple decades

Jack F. Radcliffe, Robert. J. Beswick, A. P. Thomson +3

The mJy variable extragalactic radio sky is known to be broadly non-changing with approximately of persistent radio sources exhibiting variability which is largely AGN-relate…

astro-ph.GA2019★ 9 cited

Unveiling the 100 pc scale nuclear radio structure of NGC 6217 with e-MERLIN and the VLA

David R. A. Williams, Ian M. McHardy, Ranieri D. Baldi +13

We present high-sensitivity 1.51 GHz e-MERLIN radio images of the nearby galaxy NGC 6217. We resolve the compact radio source at the centre of NGC 6217 for the first time, finding…

astro-ph.GA2019★ 1 cited

Studying galaxy evolution through cosmic time via the μJy radio population: early results from eMERGE

A. P. Thomson, T. W. B. Muxlow, Ian Smail +4

The MERLIN Galaxy Evolution Survey (MERGE) is an ambitious, multi-tiered extragalactic radio continuum survey being carried out with MERLIN and the VLA at 1.4GHz and 6GHz.…

astro-ph.GA2018

Science with an ngVLA: Radio Continuum Emission from Galaxies: An Accounting of Energetic Processes

Eric J. Murphy, James J. Condon, Antxon Alberdi +14

Radio continuum observations have proven to be a workhorse in our understanding of the star formation process (i.e., stellar birth and death) from galaxies both in the nearby unive…

astro-ph.GA2018★ 37 cited

Nowhere to Hide: Radio-faint AGN in the GOODS-N field. I. Initial catalogue and radio properties

J. F. Radcliffe, M. A. Garrett, T. W. B. Muxlow +6

(Abridged) Conventional radio surveys of deep fields ordinarily have arc-second scale resolutions often insufficient to reliably separate radio emission in distant galaxies origina…

astro-ph.GA2018★ 13 cited

Jets, Arcs and Shocks: NGC 5195 at radio wavelengths

H. Rampadarath, R. Soria, R. Urquhart +10

We studied the nearby, interacting galaxy NGC 5195 (M51b) in the radio, optical and X-ray bands. We mapped the extended, low-surface-brightness features of its radio-continuum emis…

astro-ph.GA2018★ 105 cited

LeMMINGs. I. The eMERLIN legacy survey of nearby galaxies. 1.5-GHz parsec-scale radio structures and cores

R. D. Baldi, D. R. A. Williams, I. M. McHardy +29

We present the first data release of high-resolution ( arcsec) 1.5-GHz radio images of 103 nearby galaxies from the Palomar sample, observed with the eMERLIN array, as par…

astro-ph.GA2018★ 18 cited

The nuclear activity and central structure of the elliptical galaxy NGC 5322

Bililign T. Dullo, Johan H. Knapen, David R. A. Williams +7

We have analysed a new high-resolution e-MERLIN 1.5 GHz radio continuum map together with and SDSS imaging of NGC 5322, an elliptical galaxy hosting radio jets, aiming to und…

astro-ph.GA2017★ 2 cited

AMI-LA Observations of the SuperCLASS Super-cluster

C. J. Riseley, K. J. B. Grainge, Y. C. Perrott +21

We present a deep survey of the SuperCLASS super-cluster - a region of sky known to contain five Abell clusters at redshift - performed using the Arcminute Microkelvin I…

astro-ph.GA2017★ 44 cited

Radio jets in NGC 4151: where eMERLIN meets HST

D. R. A. Williams, I. M. McHardy, R. D. Baldi +11

We present high-sensitivity eMERLIN radio images of the Seyfert galaxy NGC 4151 at 1.5 GHz. We compare the new eMERLIN images to those from archival MERLIN observations in 1993 to…

astro-ph.GA2017★ 35 cited

The eMERGE Survey I: Very Large Array 5.5 GHz observations of the GOODS-North Field

Daria Guidetti, Marco Bondi, Isabella Prandoni +8

We present new observations of the GOODS-N field obtained at 5.5 GHz with the Karl G. Jansky Very Large Array (VLA). The central region of the field was imaged to a median r.m.s. o…

astro-ph.GA2017★ 10 cited

Unveiling the AGN in IC 883: discovery of a parsec-scale radio jet

Cristina Romero-Cañizales, Antxon Alberdi, Claudio Ricci +12

IC883 is a luminous infrared galaxy (LIRG) classified as a starburst-active galactic nucleus (AGN) composite. In a previous study we detected a low-luminosity AGN (LLAGN) radio can…

astro-ph.GA2016★ 13 cited

On the nature of FRB 150418: clues from European VLBI Network and e-MERLIN observations

M. Giroletti, B. Marcote, M. Garrett +5

We investigate the nature of the compact, and possibly variable nuclear radio source in the centre of WISE J0716-19, the proposed host galaxy of fast radio burst, FRB 150418. We ob…