46 citations · 424 across the 26 of their papers we have counts for
25 papers
Extending the SKA Across Africa: The Case for a Continental African VLBI Network
Emmanuel K. Bempong-Manful, Jompoj Wongphechauxsorn, Jack Radcliffe +31
The African continent holds the key to unlocking the full potential of global Very Long Baseline Interferometry (VLBI). Strategic placement of radio telescopes across Africa provid…
AGN Jets from Formation to Dissipation
Anne-Kathrin Baczko, A. -K. Baczko, Eleni Vardoulaki +27
Active Galactic Nuclei (AGN) are among the most energetic phenomena in the Universe, capable of launching powerful relativistic jets that extend from sub-parsec to megaparsec scale…
Radio Activity from the Rapidly Rotating T dwarf 2MASS 2228-4310
Kelvin Wandia, Michael A. Garrett, Aaron Golden +7
We present the detection of 2MASS J22282889-4310262 (2M2228), a T6/T6.5 brown dwarf, using the Karl G. Jansky Very Large Array (VLA) archival data observed at C band (4-8 GHz) over…
Upper Limits on Radio Emission from the K2-18 System
Kelvin Wandia, Chenoa Tremblay, Michael A. Garrett +11
Stellar and planetary magnetic fields play a crucial role in the habitability of a planet and the integrity of its atmosphere. The recently claimed detection of biosignatures, meth…
Investigating the influence of radio-faint AGN activity on the infrared-radio correlation of massive galaxies
Giorgia Peluso, Ivan Delvecchio, Jack Radcliffe +14
It is well-known that star-forming galaxies (SFGs) exhibit a tight correlation between their radio and infrared emissions, commonly referred to as the infrared-radio correlation (I…
Radio Emission from a Nearby M dwarf Binary
Kelvin Wandia, Michael A. Garrett, Robert J. Beswick +7
We present the detection of the binary system 2MASS J02132062+3648506 AB using the Karl G. Jansky Very Large Array (VLA) archive data observed at 4-8 GHz. The system is a triple co…
Revisiting a flux recovery systematic error arising from common deconvolution methods used in aperture-synthesis imaging
Jack F. Radcliffe, R. J. Beswick, A. P. Thomson +2
The point-spread function (PSF) is a fundamental property of any astronomical instrument. In interferometers, differing array configurations combined with their coverage, and…
On the source counts of VLBI-detected radio sources and the prospects of all-sky surveys with current and next generation instruments
S. Rezaei, J. P. McKean, A. T. Deller +1
We present an analysis of the detection fraction and the number counts of radio sources imaged with Very Long Baseline Interferometry (VLBI) at 1.4 GHz as part of the mJIVE-20 surv…
An Interferometric SETI Observation of Kepler-111 b
Kelvin Wandia, Michael A. Garrett, Jack F. Radcliffe +8
The application of Very Long Baseline Interferometry (VLBI) to the Search for Extraterrestrial Intelligence (SETI) has been limited to date, despite the technique offering many adv…
SPARCS-North Wide-field VLBI Survey: Exploring the resolved MicroJy extra-galactic radio source population with EVN+e-MERLIN
Ann Njeri, Robert J. Beswick, Jack F. Radcliffe +8
The SKA PAthfinder Radio Continuum Surveys (SPARCS) are providing deep-field imaging of the faint (sub-mJy) extra-galactic radio source populations through a series of reference su…
A super-linear "radio-AGN main sequence'' links mean radio-AGN power and galaxy stellar mass since z3
I. Delvecchio, E. Daddi, M. T. Sargent +17
Mapping the average AGN luminosity across galaxy populations and over time encapsulates important clues on the interplay between supermassive black hole (SMBH) and galaxy growth. T…
Software and techniques for VLBI data processing and analysis
Michael Janssen, Jack F. Radcliffe, Jan Wagner
Very-long-baseline interferometry (VLBI) is a challenging observational technique, which requires in-depth knowledge about radio telescope instrumentation, interferometry, and the…
Identifying active galactic nuclei via brightness temperature with sub-arcsecond International LOFAR Telescope observations
Leah K. Morabito, F. Sweijen, J. F. Radcliffe +11
Identifying active galactic nuclei (AGN) and isolating their contribution to a galaxy's energy budget is crucial for studying the co-evolution of AGN and their host galaxies. Brigh…
An ultra-deep multi-band VLA survey of the faint radio sky (COSMOS-XS): New constraints on the cosmic star formation history
D. van der Vlugt, J. A. Hodge, H. S. B. Algera +5
We make use of ultra-deep 3 GHz Karl G. Jansky Very Large Array observations of the COSMOS field from the multi-band COSMOS-XS survey to infer radio luminosity functions (LFs) of s…
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…
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…
A Multi-wavelength Analysis of the Faint Radio Sky (COSMOS-XS): the Nature of the Ultra-faint Radio Population
H. S. B. Algera, D. Van der Vlugt, J. A. Hodge +7
Ultra-deep radio surveys are an invaluable probe of dust-obscured star formation, but require a clear understanding of the relative contribution from radio AGN to be used to their…
An Ultra-deep Multi-band VLA Survey of the Faint Radio Sky (COSMOS-XS): Source Catalog and Number Counts
D. Van der Vlugt, H. S. B. Algera, J. A. Hodge +6
We present ultra-deep, matched-resolution Karl G. Jansky Very Large Array (VLA) observations at 10 and GHz in the COSMOS field: the COSMOS-XS survey. The final 10 and GHz i…
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…
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…
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…
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.…
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…
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…