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Subtraction of point sources from interferometric radio images through an algebraic forward modeling scheme
G. Bernardi, D. A. Mitchell, S. M. Ord +4
We present a method for subtracting point sources from interferometric radio images via forward modeling of the instrument response and involving an algebraic nonlinear minimizatio…
Interferometric imaging with the 32 element Murchison Wide-field Array
S. M. Ord, D. A. Mitchell, R. B. Wayth +56
The Murchison Wide-field Array (MWA) is a low frequency radio telescope, currently under construction, intended to search for the spectral signature of the epoch of re-ionisation (…
The Murchison Widefield Array
Daniel A. Mitchell, Lincoln J. Greenhill, Stephen M. Ord +57
It is shown that the excellent Murchison Radio-astronomy Observatory site allows the Murchison Widefield Array to employ a simple RFI blanking scheme and still calibrate visibiliti…
Subtraction of Bright Point Sources from Synthesis Images of the Epoch of Reionization
B. Pindor, J. S. B. Wyithe, D. A. Mitchell +3
Bright point sources associated with extragalactic AGN and radio galaxies are an important foreground for low frequency radio experiments aimed at detecting the redshifted 21cm emi…
Enabling a High Throughput Real Time Data Pipeline for a Large Radio Telescope Array with GPUs
R. G. Edgar, M. A. Clark, K. Dale +5
The Murchison Widefield Array (MWA) is a next-generation radio telescope currently under construction in the remote Western Australia Outback. Raw data will be generated continuous…