161 citations · 1.4k across the 36 of their papers we have counts for
35 papers
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…
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),…
SALT spectroscopic follow-up of the G4Jy Sample
Sarah V. White, Kshitij Thorat, Moses Mogotsi +9
The GLEAM 4-Jy (G4Jy) Sample is a thorough compilation of the 'brightest' radio sources in the southern sky (Declination < 30 deg), as measured at 151 MHz (S > 4.0 Jy) with the Mur…
Revisiting the Group-Dominant Elliptical NGC 5044 in the Radio Band: Continuum Emission and Detection of HI Absorption
Kamlesh Rajpurohit, Tirna Deb, Konstantinos Kolokythas +9
We present new MeerKAT L-band (continuum and HI) and upgraded Giant Metrewave Radio Telescope (300-850 MHz) observations of the archetypal cool-core group-dominant early-type galax…
A spatially-resolved spectral analysis of giant radio galaxies with MeerKAT
K. K. L. Charlton, J. Delhaize, K. Thorat +13
In this study we report spatially resolved, wideband spectral properties of three giant radio galaxies (GRGs) in the COSMOS field: MGTC J095959.63+024608.6 , MGTC J100016.84+015133…
MeerKAT follow-up of enigmatic GLEAM 4-Jy (G4Jy) sources
Precious K. Sejake, Sarah V. White, Ian Heywood +4
We present the results from studying 140 radio sources in the GLEAM (GaLactic and Extragalactic All-sky MWA [Murchison Widefield Array]) 4-Jy (G4Jy) Sample. These sources were foll…
The extended HI halo of NGC 4945 as seen by MeerKAT
Roger Ianjamasimanana, B. S. Koribalski, Gyula I. G. Józsa +20
Observations of the neutral atomic hydrogen (HI) in the nuclear starburst galaxy NGC 4945 with MeerKAT are presented. We find a large amount of halo gas, previously missed by HI ob…
The MeerKAT Galaxy Cluster Legacy Survey I. Survey Overview and Highlights
K. Knowles, W. D. Cotton, L. Rudnick +148
MeerKAT's large number of antennas, spanning 8 km with a densely packed 1 km core, create a powerful instrument for wide-area surveys, with high sensitivity over a wide range of an…
MOSS I: Double radio relics in the Saraswati supercluster
V. Parekh, R. Kincaid, K. Thorat +8
Superclusters are the largest objects in the Universe, and they provide a unique opportunity to study how galaxy clusters are born at the junction of the cosmic web as well as the…
MIGHTEE: total intensity radio continuum imaging and the COSMOS / XMM-LSS Early Science fields
I. Heywood, M. J. Jarvis, C. L. Hale +23
MIGHTEE is a galaxy evolution survey using simultaneous radio continuum, spectro-polarimetry, and spectral line observations from the South African MeerKAT telescope. When complete…
AGN feeding and feedback in Fornax A: kinematical analysis of the multi-phase ISM
F. M. Maccagni, P. Serra, M. Gaspari +10
We present a multi-wavelength study of the gaseous medium surrounding the nearby active galactic nucleus (AGN) Fornax A. Using MeerKAT, ALMA and MUSE observations we reveal a compl…
A new look at old friends. I. Imaging classical radio galaxies with uGMRT and MeerKAT
B. Fanaroff, D. V. Lal, T. Venturi +9
We have undertaken a systematic study of FRI and FRII radio galaxies with the upgraded Giant Metrewave Radio Telescope (uGMRT) and MeerKAT. The main goal is to explore whether the…
MeerKAT-64 discovers wide-spread tidal debris in the nearby NGC 7232 galaxy group
Brenda Namumba, Baerbel Silvia Koribalski, Gyula I. G. Józsa +24
We report the discovery of large amounts of previously undetected cold neutral atomic hydrogen (\HI) around the core triplet galaxies in the nearby NGC~7232 galaxy group with MeerK…
A MeerKAT view of pre-processing in the Fornax A group
D. Kleiner, P. Serra, F. M. Maccagni +18
We present MeerKAT neutral hydrogen (HI) observations of the Fornax A group, that is likely falling into the Fornax cluster for the first time. Our HI image is sensitive to 1.4 x 1…
Anomalous gas in ESO 149-G003: A MeerKAT-16 View
Gyula I. G. Józsa, Kshitij Thorat, Peter Kamphuis +28
ESO 149-G003 is a close-by, isolated dwarf irregular galaxy. Previous observations with the ATCA indicated the presence of anomalous neutral hydrogen (HI) deviating from the kinema…
MIGHTEE: Are giant radio galaxies more common than we thought?
J. Delhaize, I. Heywood, M. Prescott +31
We report the discovery of two new giant radio galaxies (GRGs) using the MeerKAT International GHz Tiered Extragalactic Exploration (MIGHTEE) survey. Both GRGs were found within a…
MeerKAT's discovery of a radio relic in the bimodal merging cluster A2384
V. Parekh, K. Thorat, R. Kale +12
We present the discovery of a single radio relic located at the edge of the galaxy cluster A2384, using the MeerKAT radio telescope. A2384 is a nearby ( = 0.092), low mass, comp…
Point Proposal Network: Accelerating Point Source Detection Through Deep Learning
Duncan Tilley, Christopher W. Cleghorn, Kshitij Thorat +1
Point source detection techniques are used to identify and localise point sources in radio astronomical surveys. With the development of the Square Kilometre Array (SKA) telescope,…
MeerKAT-16 HI observation of the dIrr galaxy WLM
Roger Ianjamasimanana, Brenda Namumba, Athanaseus J. T. Ramaila +19
We present observations and models of the kinematics and the distribution of the neutral hydrogen (HI) in the isolated dwarf irregular galaxy, Wolf-Lundmark-Melotte (WLM). We obser…
GASP XXVI. HI Gas in Jellyfish Galaxies: The case of JO201 and JO206
M. Ramatsoku, P. Serra, B. M. Poggianti +21
We present HI observations of the jellyfish galaxy, JO201. This massive galaxy (M M) is falling along the line-of-sight towards the centre of…
MeerKATHI -- an end-to-end data reduction pipeline for MeerKAT and other radio telescopes
Gyula I. G. Józsa, Sarah V. White, Kshitij Thorat +13
MeerKATHI is the current development name for a radio-interferometric data reduction pipeline, assembled by an international collaboration. We create a publicly available end-to-en…
The GLEAM 4-Jy (G4Jy) Sample: I. Definition and the catalogue
Sarah V. White, Thomas M. O. Franzen, Chris J. Riseley +21
The Murchison Widefield Array (MWA) has observed the entire southern sky (Declination, 30 deg) at low radio-frequencies, over the range 72-231 MHz. These observations constitu…
The GLEAM 4-Jy (G4Jy) Sample: II. Host-galaxy identification for individual sources
Sarah V. White, Thomas M. O. Franzen, Chris J. Riseley +20
The entire southern sky (Declination, 30 deg) has been observed using the Murchison Widefield Array (MWA), which provides radio imaging of 2-arcmin resolution at low fre…
Hydrodynamical Backflow in X-shaped Radio Galaxy PKS 2014-55
W. D. Cotton, K. Thorat, J. J. Condon +13
We present MeerKAT 1.28 GHz total-intensity, polarization, and spectral-index images covering the giant (projected length ~Mpc) X-shaped radio source PKS~201455…