The Murchison Widefield Array
Daniel A. Mitchell, Lincoln J. Greenhill, Stephen M. Ord, Gianni, Bernardi, Randall B. Wayth, Richard G. Edgar, Michael A. Clark, Kevin Dal,, Hanspeter Pfister, Stewart J. Gleadow, W. Arcus, F.H. Briggs, L. Benkevitch,, J.D. Bowman, J.D. Bunton, S. Burns, R.J. Cappallo
TL;DR
The paper demonstrates that the Murchison Widefield Array can effectively operate in the FM radio band using simple RFI blanking and autonomous calibration, enabling large-scale sky surveys.
Contribution
It introduces a straightforward RFI blanking method and autonomous calibration techniques for the Murchison Widefield Array in FM radio observations.
Findings
Successful autonomous calibration and imaging in FM band
Effective RFI blanking scheme implemented
Processing of entire southern sky survey underway
Abstract
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 visibilities and form images in the FM radio band. The techniques described are running autonomously in our calibration and imaging software, which is currently being used to process an FM-band survey of the entire southern sky.
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