489 citations · 2.4k across the 38 of their papers we have counts for
38 papers
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…
The plethora of diffuse emission in Abell 2034 as revealed by MeerKAT polarization observations
A. Bonafede, M. Balboni, G. W. Pratt +15
We present MeerKAT observations of the galaxy cluster Abell 2034, a massive (M_500=5.21 10^14 solar masses) nearby cluster in a merging state. Previous observations at 144 MHz have…
Correcting Ionospheric Faraday Rotation for the VLA and MeerKAT
Richard A. Perley, Bryan J. Butler, Eric W. Greisen +3
We report here on studies to determine the accuracy of estimated corrections of Ionospheric Faraday Rotation Measure (IFRM) using observations of the Moon with the Very Large Array…
Mining Mini-Halos with MeerKAT I. Calibration and Imaging
K. S. Trehaeven, V. Parekh, N. Oozeer +7
Radio mini-halos are clouds of diffuse, low surface brightness synchrotron emission that surround the Brightest Cluster Galaxy (BCG) in massive cool-core galaxy clusters. In this p…
PSR~J19105959A: A rare gravitational laboratory for testing white dwarf models
A. Corongiu, V. Venkatraman Krishnan, P. C. C. Freire +21
PSRJ1910-5959A (J1910A) is a binary millisecond pulsar in a 0.837 day circular orbit around a helium white dwarf (HeWD) companion. This pulsar is located 6.3 arcmin away from the c…
The Thousand-Pulsar-Array programme on MeerKAT -- VIII. The subpulse modulation of 1198 pulsars
X. Song, P. Weltevrede, A. Szary +13
We report on the subpulse modulation properties of 1198 pulsars using the Thousand-Pulsar-Array programme on MeerKAT. About 35% of the analysed pulsars exhibit drifting subpulses w…
Tricolour: an optimized SumThreshold flagger for MeerKAT
Benjamin V. Hugo, Simon Perkins, Bruce Merry +2
We present Tricolour, a package for Radio Frequency Interference mitigation of wideband finely channelized MeerKAT correlation data. The MeerKAT passband is heavily affected by int…
The Curious Case of the "Heartworm" Nebula
W. D. Cotton, F. Camilo, W. Becker +9
The curious Galactic features near G357.20.2 were observed with the MeerKAT radio interferometer array in the UHF and L bands (0.56--1.68 GHz). There are two possibly related fe…
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…
TRAPUM discovery of thirteen new pulsars in NGC 1851 using MeerKAT
A. Ridolfi, P. C. C. Freire, T. Gautam +27
We report the discovery of 13 new pulsars in the globular cluster NGC 1851 by the TRAPUM Large Survey Project using the MeerKAT radio telescope. The discoveries consist of six isol…
The LOFAR Two-metre Sky Survey -- V. Second data release
T. W. Shimwell, M. J. Hardcastle, C. Tasse +103
In this data release from the LOFAR Two-metre Sky Survey (LoTSS) we present 120-168MHz images covering 27% of the northern sky. Our coverage is split into two regions centred at ap…
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…
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…
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…
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…
Simultaneous X-ray and radio observations of the transitional millisecond pulsar candidate CXOU J110926.4-650224. The discovery of a variable radio counterpart
F. Coti Zelati, B. Hugo, D. F. Torres +15
We present the results of simultaneous observations of the transitional millisecond pulsar (tMSP) candidate CXOU J110926.4-650224 with the XMM-Newton satellite and the MeerKAT tele…
A MeerKAT view on galaxy clusters: a radio-optical study of Abell 1300 and MACS J1931.8--2634
B. Terni de Gregory, B. Hugo, T. Venturi +8
In this paper we present results from a radio-optical study of the galaxy populations of the galaxy clusters Abell 1300 and MACS J1931.82634, a merger and a relaxed system respe…
The Relativistic Binary Programme on MeerKAT: Science objectives and first results
M. Kramer, I. H. Stairs, V. Venkatraman Krishnan +35
We describe the ongoing Relativistic Binary programme (RelBin), a part of the MeerTime large survey project with the MeerKAT radio telescope. RelBin is primarily focused on observa…
Xova: Baseline-Dependent Time and Channel Averaging for Radio Interferometry
Marcellin Atemkeng, Simon Perkins, Jonathan Kenyon +2
Xova is a software package that implements baseline-dependent time and channel averaging on Measurement Set data. The uv-samples along a baseline track are aggregated into a bin un…
Measurements of pulse jitter and single-pulse variability in millisecond pulsars using MeerKAT
A. Parthasarathy, M. Bailes, R. M. Shannon +18
Using the state-of-the-art SKA precursor, the MeerKAT radio telescope, we explore the limits to precision pulsar timing of millisecond pulsars achievable due to pulse stochasticity…
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…
The Thousand-Pulsar-Array programme on MeerKAT II: observing strategy for pulsar monitoring with subarrays
X. Song, P. Weltevrede, M. J. Keith +15
The Thousand Pulsar Array (TPA) project currently monitors about 500 pulsars with the sensitive MeerKAT radio telescope by using subarrays to observe multiple sources simultaneousl…
The LOFAR Two Meter Sky Survey: Deep Fields, I -- Direction-dependent calibration and imaging
C. Tasse, T. Shimwell, M. J. Hardcastle +29
The Low Frequency Array (LOFAR) is an ideal instrument to conduct deep extragalactic surveys. It has a large field of view and is sensitive to large scale and compact emission. It…