189 citations · 1.8k across the 42 of their papers we have counts for
42 papers
Hemispheric Dichotomy of Mantle Dynamics Revealed by Machine Learning
Adam J. Stewart, Yanchong Li, Zebin Cao +1
Past efforts to interrogate the mantle's contribution to Earth's topography suffer from inadequate in-situ measurements of true bathymetry and the involvement of an empirical plate…
SSL4EO-L: Datasets and Foundation Models for Landsat Imagery
Adam J. Stewart, Nils Lehmann, Isaac A. Corley +6
The Landsat program is the longest-running Earth observation program in history, with 50+ years of data acquisition by 8 satellites. The multispectral imagery captured by sensors o…
Radio Transients and Variables in the Tenth Deeper, Wider, Faster Observing Run
D. Dobie, J. Pritchard, Y. Wang +23
The Deeper, Wider, Faster (DWF) program coordinates observations with telescopes across the electromagnetic spectrum, searching for transients on timescales of milliseconds to days…
A pilot ASKAP survey for radio transients towards the Galactic Centre
Ziteng Wang, Tara Murphy, David L. Kaplan +8
We present the results of a radio transient and polarisation survey towards the Galactic Centre, conducted as part of the Australian Square Kilometre Array Pathfinder Variables and…
Discovery of PSR J0523-7125 as a Circularly Polarized Variable Radio Source in the Large Magellanic Cloud
Yuanming Wang, Tara Murphy, David L. Kaplan +23
We report the discovery of a highly circularly polarized, variable, steep-spectrum pulsar in the Australian Square Kilometre Array Pathfinder (ASKAP) Variables and Slow Transients…
TorchGeo: Deep Learning With Geospatial Data
Adam J. Stewart, Caleb Robinson, Isaac A. Corley +3
Remotely sensed geospatial data are critical for applications including precision agriculture, urban planning, disaster monitoring and response, and climate change research, among…
A comprehensive search for the radio counterpart of GW190814 with the Australian Square Kilometre Array Pathfinder
D. Dobie, A. Stewart, K. Hotokezaka +13
We present results from a search for the radio counterpart to the possible neutron star-black hole merger GW190814 with the Australian Square Kilometre Array Pathfinder. We have ca…
The Rapid ASKAP Continuum Survey Paper II: First Stokes I Source Catalogue Data Release
C. L. Hale, D. McConnell, A. J. M. Thomson +10
The Rapid ASKAP Continuum Survey (RACS) is the first large sky survey using the Australian Square Kilometre Array Pathfinder (ASKAP), covering the sky south of +41 declinat…
Discovery of ASKAP J173608.2-321635 as a Highly-Polarized Transient Point Source with the Australian SKA Pathfinder
Ziteng Wang, David L. Kaplan, Tara Murphy +18
We report the discovery of a highly-polarized, highly-variable, steep-spectrum radio source, ASKAP J173608.2-321635, located 4\,deg from the Galactic center in the Galactic p…
The ASKAP Variables and Slow Transients (VAST) Pilot Survey
Tara Murphy, David L. Kaplan, Adam J. Stewart +52
The Variables and Slow Transients Survey (VAST) on the Australian Square Kilometre Array Pathfinder (ASKAP) is designed to detect highly variable and transient radio sources on tim…
A Search for Extragalactic Fast Blue Optical Transients in ZTF and the Rate of AT2018cow-like Transients
Anna Y. Q. Ho, Daniel A. Perley, Avishay Gal-Yam +40
We present a search for extragalactic fast blue optical transients (FBOTs) during Phase I of the Zwicky Transient Facility (ZTF). We identify 38 candidates with durations above hal…
LOFAR imaging of Cygnus A -- Direct detection of a turnover in the hotspot radio spectra
J. P. McKean, L. E. H. Godfrey, S. Vegetti +75
The low-frequency radio spectra of the hotspots within powerful radio galaxies can provide valuable information about the physical processes operating at the site of the jet termin…
A search for radio afterglows from gamma-ray bursts with the Australian Square Kilometre Array Pathfinder
James K. Leung, Tara Murphy, Giancarlo Ghirlanda +12
We present a search for radio afterglows from long gamma-ray bursts using the Australian Square Kilometre Array Pathfinder (ASKAP). Our search used the Rapid ASKAP Continuum Survey…
A circular polarisation survey for radio stars with the Australian SKA Pathfinder
Joshua Pritchard, Tara Murphy, Andrew Zic +14
We present results from a circular polarisation survey for radio stars in the Rapid ASKAP Continuum Survey (RACS). RACS is a survey of the entire sky south of being c…
A scalable transient detection pipeline for the Australian SKA Pathfinder VAST survey
Sergio Pintaldi, Adam Stewart, Andrew O'Brien +2
The Australian Square Kilometre Array Pathfinder (ASKAP) collects images of the sky at radio wavelengths with an unprecedented field of view, combined with a high angular resolutio…
CHILES VERDES: Radio variability at an unprecedented depth and cadence in the COSMOS field
Sumit K. Sarbadhicary, Evangelia Tremou, Adam J. Stewart +7
Although it is well-established that some extragalactic radio sources are time-variable, the properties of this radio variability, and its connection with host galaxy properties, r…
LOFAR 144-MHz follow-up observations of GW170817
J. W. Broderick, T. W. Shimwell, K. Gourdji +66
We present low-radio-frequency follow-up observations of AT 2017gfo, the electromagnetic counterpart of GW170817, which was the first binary neutron star merger to be detected by A…
An ASKAP search for a radio counterpart to the first high-significance neutron star-black hole merger LIGO/Virgo S190814bv
Dougal Dobie, Adam Stewart, Tara Murphy +27
We present results from a search for a radio transient associated with the LIGO/Virgo source S190814bv, a likely neutron star-black hole (NSBH) merger, with the Australian Square K…
ASKAP Detection of Periodic and Elliptically Polarized Radio Pulses from UV Ceti
Andrew Zic, Adam Stewart, Emil Lenc +9
Active M-dwarfs are known to produce bursty radio emission, and multi-wavelength studies have shown that Solar-like magnetic activity occurs in these stars. However, coherent burst…
LOFAR MSSS: Flattening low-frequency radio continuum spectra of nearby galaxies
K. T. Chyży, W. Jurusik, J. Piotrowska +35
The shape of low-frequency radio continuum spectra of normal galaxies is not well understood, the key question being the role of physical processes such as thermal absorption in sh…
Identifying transient and variable sources in radio images
Antonia Rowlinson, Adam J. Stewart, Jess W. Broderick +16
With the arrival of a number of wide-field snapshot image-plane radio transient surveys, there will be a huge influx of images in the coming years making it impossible to manually…
RFI Flagging Implications for Short-Duration Transients
Y. Cendes, P. Prasad, A. Rowlinson +24
With their wide fields of view and often relatively long coverage of any position in the sky in imaging survey mode, modern radio telescopes provide a data stream that is naturally…
LOFAR reveals the giant: a low-frequency radio continuum study of the outflow in the nearby FR I radio galaxy 3C 31
V. Heesen, J. H. Croston, R. Morganti +21
We present a deep, low-frequency radio continuum study of the nearby Fanaroff--Riley class I (FR I) radio galaxy 3C 31 using a combination of LOw Frequency ARray (LOFAR; 30--85 and…
LOFAR MSSS: The Scaling Relation between AGN Cavity Power and Radio Luminosity at Low Radio Frequencies
G. Kokotanekov, M. Wise, G. H. Heald +35
We present a new analysis of the widely used relation between cavity power and radio luminosity in clusters of galaxies with evidence for strong AGN feedback. We study the correlat…