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Serendipitous discovery of a dying Giant Radio Galaxy associated with NGC 1534, using the murchison widefield array

Hurley-Walker, Natasha; Johnston-Hollitt, M; Ekers, Ronald D; Hunstead, Richard; Sadler, Elaine M; Hindson, L; Hancock, P.J.; Bernardi, G; Bowman, J D; Briggs, Franklin; Cappallo, Roger C; Corey, Brian E; Deshpande, Avinash; Emrich, David; Gaensler, B M; Goeke, R; Greenhill, Lincoln; Hazelton, B; Hewitt, Jacqueline N; Kaplan, D L; Kasper, Justin; Kratzenberg, Eric; Lonsdale, Colin J; Lynch, Mervyn J; Mitchell, Daniel; McWhirter, S.R.; Morales, Miguel F; Morgan, Edward H; Oberoi, D; Offringa, Andre; Ord, S M; Prabu, T; Rogers, Alan; Roshi, A.; Shankar, N.Udaya; Srivani, K. S.; Subrahmanyan, R.; Tingay, S.J.; Waterson, Mark; Waterson, M; Wayth, Randall; Webster, Rachel L; Whitney, Alan; Williams, Andrew J.; Williams, Christopher L

Description

Recent observations with the Murchison Widefield Array at 185 MHz have serendipitously unveiled a heretofore unknown giant and relatively nearby (z=0.0178) radio galaxy associated with NGC 1534. The diffuse emission presented here is the first indication that NGC 1534 is one of a rare class of objects (along with NGC 5128 and NGC 612) in which a galaxy with a prominent dust lane hosts radio emission on scales of ~700 kpc. We present details of the radio emission along with a detailed comparison...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/98571
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stu2570

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