activity
20182026
most citedRevival of the magnetar PSR J1622-4950: observations with MeerKAT, Parkes, XMM-Newton, Swift, Chandra, and NuSTAR

161 citations · 898 across the 25 of their papers we have counts for

collaborators

25 papers

astro-ph.HE2026

Mining the time axis with TRON - III. Discovery of a nulling pulsar towards the SMC with MeerKAT

T. Blecher, M. Geyer, O. M. Smirnov +21

We report on the discovery of a nulling pulsar, PSR J00527551, in archival MeerKAT L-band observations of the Small Magellanic Cloud (SMC). The discovery was made using the imag…

astro-ph.GA2026

SMGPS: A study of Galactic HII regions with extended morphology

Athanaseus J. T. Ramaila, Mark A. Thompson, Oleg M. Smirnov +7

We present a study of ionised hydrogen () regions in the Galactic Plane using data from the SARAO MeerKAT Galactic Plane Survey (SMGPS). The SMPG…

astro-ph.GA2026

The 10-15 GHz radio continuum survey of the Galactic Plane with SKAO

A. Traficante, C. Mininni, F. Cavallaro +63

Star formation emerges from the complex interplay between gravity, turbulence, magnetic fields, and stellar feedback, all of which vary across spatial scales and Galactic environme…

astro-ph.IM2025

Mining the time axis with TRON. II. MeerKAT detects a stellar radio flare from a distant RS CVn candidate

Oleg M. Smirnov, Aaron Golden, Talon Myburgh +14

Medium-timescale (minutes to hours) radio transients are a relatively unexplored population. The wide field-of-view and high instantaneous sensitivity of instruments such as MeerKA…

astro-ph.IM2024★ 3 cited

Africanus IV. The Stimela2 framework: scalable and reproducible workflows, from local to cloud compute

Oleg M. Smirnov, Sphesihle Makhathini, Jonathan S. Kenyon +4

Stimela2 is a new-generation framework for developing data reduction workflows. It is designed for radio astronomy data but can be adapted for other data processing applications. S…

astro-ph.GA2024★ 4 cited

A Spectropolarimetric Study of Pictor A Radio Galaxy with MeerKAT

Lexy A. L. Andati, Lerato M. Baidoo, Athanaseus J. T. Ramaila +3

We present the results of a polarimetric study from our new high-sensitivity L-band (0.8--1.7 GHz) observation of Pictor A with the MeerKAT radio telescope. We confirm the presence…

astro-ph.GA2023★ 2 cited

The SARAO MeerKAT 1.3 GHz Galactic Plane Survey

S. Goedhart, W. D. Cotton, F. Camilo +127

We present the SARAO MeerKAT Galactic Plane Survey (SMGPS), a 1.3 GHz continuum survey of almost half of the Galactic Plane (251° 358°and 2° 61°at $|b| \le 1.…

astro-ph.CO2022★ 8 cited

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…

astro-ph.GA2022★ 137 cited

The 1.28 GHz MeerKAT Galactic Center Mosaic

I. Heywood, I. Rammala, F. Camilo +108

The inner 200 pc region of the Galaxy contains a 4 million M supermassive black hole (SMBH), significant quantities of molecular gas, and star formation and cosmic…

astro-ph.GA2021★ 10 cited

The detection of a massive chain of dark HI clouds in the GAMA G23 Field

Gyula I. G. Jozsa, T. H. Jarrett, Michelle Cluver +18

We report on the detection of a large, extended HI cloud complex in the GAMA G23 field, located at a redshift of , observed as part of the MeerHOGS campaign (a pilot…

astro-ph.GA2021★ 130 cited

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…

astro-ph.IM2021

Third-Generation Calibrations for MeerKAT observation

V. Parekh, R. Kincaid, B. Hugo +2

Superclusters and galaxy clusters offer a wide range of astrophysical science topics with regards to studying the evolution and distribution of galaxies, intra-cluster magnetizatio…

astro-ph.GA2021★ 9 cited

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…

astro-ph.GA2021★ 10 cited

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…

astro-ph.GA2020★ 18 cited

MeerKAT HI commissioning observations of MHONGOOSE galaxy ESO 302-G014

W. J. G. de Blok, E. Athanassoula, A. Bosma +43

We present the results of three commissioning HI observations obtained with the MeerKAT radio telescope. These observations make up part of the preparation for the forthcoming MHON…

astro-ph.GA2020★ 9 cited

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…

astro-ph.GA2020★ 14 cited

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…

astro-ph.GA2020★ 45 cited

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…

astro-ph.IM2020★ 7 cited

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…

astro-ph.GA2020★ 66 cited

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…

astro-ph.GA2019★ 125 cited

The 1.28 GHz MeerKAT DEEP2 Image

T. Mauch, W. D. Cotton, J. J. Condon +101

We present the confusion-limited 1.28 GHz MeerKAT DEEP2 image covering one FWHM primary beam area with FWHM resolution and Jy/beam rms nois…

astro-ph.GA2019★ 43 cited

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}…

astro-ph.GA2019★ 30 cited

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…

astro-ph.GA2019★ 67 cited

GASP XVII. HI imaging of the jellyfish galaxy JO206: gas stripping and enhanced star formation

M. Ramatsoku, P. Serra, B. M Poggianti +18

We present VLA HI observations of JO206, a prototypical ram-pressure stripped galaxy in the GASP sample. This massive galaxy (M 8.5 10 M) is lo…