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A Matched Filter Technique for Slow Radio Transient Detection and First Demonstration with the Murchison Widefield Array

Feng, Lu; Vaulin, R.; Hewitt, Jacqueline N.; Remillard, R.; Kaplan, D. L.; Murphy, Tara; Kudryavtseva, N.; Hancock, P. J.; Bernardi, Gianni; Bowman, J. D.; Briggs, Franklin; Cappallo, R. J.; Deshpande, Avinash; Gaensler, Bryan; Greenhill, Lincoln; Hazelton, B.; Johnston-Hollitt, M.; Lonsdale, Colin J.; McWhirter, S. R.; Mitchell, Daniel A.; Morales, M. F.; Morgan, Edward H.; Oberoi, D.; Ord, S. M.; Prabu, T.; Udaya Shankar, N.; Srivani, K. S.; Subrahmanyan, R.; Tingay, S. J.; Wayth, Randall; Webster, Rachel L.; Williams, A.; Williams, Christopher L.

Description

Many astronomical sources produce transient phenomena at radio frequencies, but the transient sky at low frequencies (<300 MHz) remains relatively unexplored. Blind surveys with new wide-field radio instruments are setting increasingly stringent limits on the transient surface density on various timescales. Although many of these instruments are limited by classical confusion noise from an ensemble of faint, unresolved sources, one can in principle detect transients below the classical...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
URI: http://hdl.handle.net/1885/231102
Source: Astronomical Journal
DOI: 10.3847/1538-3881/153/3/98

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