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|Title:||The Murchison Widefield Array: The Square Kilometre Array Precursor at Low Radio Frequencies|
Bowman, Judd D.
|Publisher:||Cambridge University Press for Astronomical Society of Australia|
|Citation:||Publications of the Astronomical Society of Australia,2013,Vol.30, e007|
|Abstract:||The Murchison Widefield Array (MWA) is one of three Square Kilometre Array Precursor telescopes and is located at the Murchison Radio-astronomy Observatory in the Murchison Shire of the mid-west of Western Australia, a location chosen for its extremely low levels of radio frequency interference. The MWA operates at low radio frequencies, 80–300 MHz, with a processed bandwidth of 30.72 MHz for both linear polarisations, and consists of 128 aperture arrays (known as tiles) distributed over a ~3-km diameter area. Novel hybrid hardware/software correlation and a real-time imaging and calibration systems comprise the MWA signal processing backend. In this paper, the as-built MWA is described both at a system and sub-system level, the expected performance of the array is presented, and the science goals of the instrument are summarised.|
|Description:||Restricted Access. An open-access version is available at arXiv.org (one of the alternative locations)|
|Copyright:||2013 Astronomical Society of Australia|
|Appears in Collections:||Research Papers (A&A)|
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