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Surveillance of Space using Passive Radar and the Murchison Widefield Array
James E. Palmer, Brendan Hennessy, Mark Rutten +7
In this paper we build upon recent work in the radio astronomy community to experimentally demonstrate the viability of passive radar for Space Situational Awareness. Furthermore,…
A VOEvent based automatic trigger system for the Murchison Widefield Array
P. J. Hancock, G. E. Anderson, A. Williams +22
The Murchison Widefield Array (MWA) is an electronically steered low frequency (\,MHz) radio interferometer, with a `slew' time less than 8seconds. Low frequency (\…
The frequency-dependent behaviour of subpulse drifting: I. Carousel geometry and emission heights of PSR B0031-07
S. J. McSweeney, N. D. R. Bhat, G. Wright +2
The carousel model of pulsar emission attributes the phenomenon of subpulse drifting to a set of discrete sparks located very near the stellar surface rotating around the magnetic…
The emission and scintillation properties of RRAT J2325-0530 at 154 MHz and 1.4 GHz
B. W. Meyers, S. E. Tremblay, N. D. R. Bhat +6
Rotating Radio Transients (RRATs) represent a relatively new class of pulsar, primarily characterised by their sporadic bursting emission of single pulses on time scales of minutes…
A high time resolution study of the millisecond pulsar J2241-5236 at frequencies below 300 MHz
D. Kaur, N. D. R. Bhat, S. E. Tremblay +20
One of the major challenges for pulsar timing array (PTA) experiments is the mitigation of the effects of the turbulent interstellar medium (ISM) from timing data. These can potent…
Improved Techniques for the Surveillance of the Near Earth Space Environment with the Murchison Widefield Array
Brendan Hennessy, Steven Tingay, Paul Hancock +10
In this paper we demonstrate improved techniques to extend coherent processing intervals for passive radar processing, with the Murchison Widefield Array. Specifically, we apply a…