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36 papers
The Annual Cycle in Scintillation Timescale of PMN J1726+0639
Hayley E. Bignall, Artem V. Tuntsov, Jamie Stevens +3
We discovered rapid intra-day variability in radio source PMN J1726+0639 at GHz frequencies, during a survey to search for such variability with the Australia Telescope Compact Arr…
Radio spectra of narrow-line Seyfert 1 galaxies observed with ATCA and VLASS
Sina Chen, Jamie B. Stevens, Philip G. Edwards +7
We present radio spectral analyses for a sample of 29 radio-quiet (RQ) and three radio-loud (RL) narrow-line Seyfert 1 galaxies (NLS1s) detected with the Australia Telescope Compac…
Mysterious Odd Radio Circle near the Large Magellanic Cloud -- An Intergalactic Supernova Remnant?
Miroslav D. Filipović, J. L. Payne, R. Z. E. Alsaberi +48
We report the discovery of J0624-6948, a low-surface brightness radio ring, lying between the Galactic Plane and the Large Magellanic Cloud (LMC). It was first detected at 888 MHz…
Bistatic Radar Observations of Near-Earth Asteroid (163899) 2003 SD220 from the Southern Hemisphere
Shinji Horiuchi, Blake Molyneux, Jamie B. Stevens +13
We report results of Canberra-ATCA Doppler-only continuous wave (CW) radar observations of near-Earth asteroid (163899) 2003 SD220 at a receiving frequency of 7159 MHz (4.19 cm) on…
Detection of a Coherent Magnetic Field in the Magellanic Bridge through Faraday Rotation
J. F. Kaczmarek, C. R. Purcell, B. M. Gaensler +2
We present an investigation into the magnetism of the Magellanic Bridge, carried out through the observation of Faraday rotation towards 167 polarized extragalactic radio sources s…
A CO-rich merger shaping a powerful and hyper-luminous infrared radio galaxy at z=2: the Dragonfly Galaxy
B. H. C. Emonts, M. Y. Mao, A. Stroe +17
In the low-redshift Universe, the most powerful radio sources are often associated with gas-rich galaxy mergers or interactions. We here present evidence for an advanced, gas-rich…