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A pilot ASKAP survey of radio transient events in the region around the intermittent pulsar PSR J1107-5907
G. Hobbs, I. Heywood, M. E. Bell +75
We use observations from the Boolardy Engineering Test Array (BETA) of the Australian Square Kilometre Array Pathfinder (ASKAP) telescope to search for transient radio sources in t…
A search for Fast Radio Bursts at low frequencies with Murchison Widefield Array high time resolution imaging
S. J. Tingay, C. M. Trott, R. B. Wayth +26
We present the results of a pilot study search for Fast Radio Bursts (FRBs) using the Murchison Widefield Array (MWA) at low frequencies (139 - 170 MHz). We utilised MWA data obtai…
Hunting Gravitational Waves with Multi-Messenger Counterparts: Australia's Role
E. J. Howell, A. Rowlinson, D. M. Coward +12
The first observations by a worldwide network of advanced interferometric gravitational wave detectors offer a unique opportunity for the astronomical community. At design sensitiv…
Massive stars formed in atomic hydrogen reservoirs: HI observations of gamma-ray burst host galaxies
Michał J. Michałowski, G. Gentile, J. Hjorth +30
Long gamma-ray bursts (GRBs), among the most energetic events in the Universe, are explosions of massive and short-lived stars, so they pinpoint locations of recent star formation.…
Quantifying ionospheric effects on time-domain astrophysics with the Murchison Widefield Array
Shyeh Tjing Loi, Tara Murphy, Martin E. Bell +39
Refraction and diffraction of incoming radio waves by the ionosphere induce time variability in the angular positions, peak amplitudes and shapes of radio sources, potentially comp…
Murchison Widefield Array Observations of Anomalous Variability: A Serendipitous Night-time Detection of Interplanetary Scintillation
D. L. Kaplan, S. J. Tingay, P. K. Manoharan +33
We present observations of high-amplitude rapid (2 s) variability toward two bright, compact extragalactic radio sources out of several hundred of the brightest radio sources in on…