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The challenges of low-frequency radio polarimetry: Lessons from the Murchison widefield array

Abstract:

We present techniques developed to calibrate and correct Murchison Widefield Array low-frequency (72–300 MHz) radio observations for polarimetry. The extremely wide field-of-view, excellent instantaneous (u, v)-coverage and sensitivity to degree-scale structure that the Murchison Widefield Array provides enable instrumental calibration, removal of instrumental artefacts, and correction for ionospheric Faraday rotation through imaging techniques. With the demonstrated polarimetric capabilities...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1017/pasa.2017.36

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ORCID:
0000-0002-9994-1593
Anderson, CS More by this author
Bowman, JD More by this author
Cairns, IH More by this author
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Australian Research Council More from this funder
Australian Government More from this funder
Western Australian State government. More from this funder
David Dunlap family More from this funder
University of Toronto More from this funder
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Publisher:
Cambridge University Press Publisher's website
Journal:
Publications of the Astronomical Society of Australia Journal website
Volume:
34
Pages:
e040
Publication date:
2017-09-05
Acceptance date:
2017-08-19
DOI:
EISSN:
1448-6083
ISSN:
1323-3580
Pubs id:
pubs:807193
URN:
uri:b6832be8-08b1-41d5-9dc7-b70813ca4e47
UUID:
uuid:b6832be8-08b1-41d5-9dc7-b70813ca4e47
Local pid:
pubs:807193

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