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Limits on low-frequency radio emission from southern exoplanets with the murchison widefield array

Murphy, Tara; Offringa, Andre; Bernardi, G; Briggs, Franklin; Deshpande, Avinash; Greenhill, Lincoln; Oberoi, D; Prabu, T; Rogers, Alan; Udaya Shankar, N.; Srivani, K. S.; Waterson, Mark; Whitney, Alan; Williams, Christopher L

Description

We present the results of a survey for low-frequency radio emission from 17 known exoplanetary systems with the Murchison Widefield Array. This sample includes 13 systems that have not previously been targeted with radio observations. We detected no radio emission at 154 MHz, and put 3σ upper limits in the range 15.2–112.5 mJy on this emission. We also searched for circularly polarized emission and made no detections, obtaining 3σ upper limits in the range 3.4–49.9 mJy. These are comparable...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/152555
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stu2253
Access Rights: Open Access

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