161 citations · 1.4k across the 36 of their papers we have counts for
25 papers · 1 filter
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 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…
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…
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…
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…
Collimated synchrotron threads linking the radio lobes of ESO137-006
M. Ramatsoku, M. Murgia, V. Vacca +14
We present MeerKAT 1000 MHz and 1400 MHz observations of a bright radio galaxy in the southern hemisphere, ESO~137-006. The galaxy lies at the centre of the massive and merging Nor…
The flickering nuclear activity of Fornax A
F. M. Maccagni, M. Murgia, P. Serra +13
We present new observations of Fornax A taken at 1 GHz with the MeerKAT telescope and at 6 GHz with the Sardinia Radio Telescope (SRT). The sensitive (noise ~16 micro-Jy beam$^{-1}…
Inflation of 430-parsec bipolar radio bubbles in the Galactic Centre by an energetic event
I. Heywood, F. Camilo, W. D. Cotton +96
The Galactic Centre contains a supermassive black hole with a mass of 4 million suns within an environment that differs markedly from that of the Galactic disk. While the black hol…
Neutral hydrogen gas within and around NGC 1316
P. Serra, F. M. Maccagni, D. Kleiner +20
We present MeerKAT observations of neutral hydrogen gas (HI) in the nearby merger remnant NGC 1316 (Fornax A), the brightest member of a galaxy group which is falling into the Forn…