5 papers
No evidence for accretion around the intermediate-mass black hole in Omega Centauri
Angiraben D. Mahida, Arash Bahramian, James C. A. Miller Jones +5
For over a decade, both theoretical predictions and observational studies have suggested that Centauri ( Cen), the most massive Milky Way globular cluster, might harbor an…
Deep polarimetry study reveals double ring ORC-like structures
Sam Taziaux, Dominik J. Bomans, Christopher J. Riseley +10
New observations with the current generation of advanced radio interferometers, such as ASKAP and MeerKAT, have led to the discovery of new classes of extended radio sources of unk…
Radio Continuum Studies of Ultra-Compact and Short Orbital Period X-Ray Binaries
Kristen C. Dage, Teresa Panurach, Kwangmin Oh +14
We present the radio continuum counterparts to the enigmatic ultra-compact X-ray binaries (UCXBs); a black hole or neutron star accreting from a hydrogen-deficient white dwarf dono…
The Spectral Behaviour and Variability of Narrow-line Seyfert 1 Galaxies with Australia Telescope Compact Array Observations
Xi Shao, Philip G. Edwards, Jamie Stevens +3
We present multi-frequency radio data for a sample of narrow-line Seyfert 1 galaxies. We first focus on the sub-class of gamma-ray emitting narrow-line Seyfert 1 galaxies, studying…
A 2.9-hour periodic radio transient with an optical counterpart
N. Hurley-Walker, S. J. McSweeney, A. Bahramian +12
We present a long-period radio transient (GLEAM-X J0704-37) discovered to have an optical counterpart, consistent with a cool main sequence star of spectral type M3. The radio puls…