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Title: A LOFAR mini-survey for low-frequency radio emission from the nearest brown dwarfs
Authors: Burningham, Ben
Hardcastle, M.
Nichols, J. D.
Casewell, Sarah L.
Littlefair, S. P.
Stark, C.
Burleigh, M. R.
Metchev, S.
Tannock, M. E.
Weeren, R. J. V.
Williams, W. L.
Wynn, G. A.
First Published: 19-Aug-2016
Publisher: Oxford University Press (OUP)
Citation: Monthly Notices of the Royal Astronomical Society, 2016, 463 (2), pp. 2202-2209
Abstract: We have conducted a mini-survey for low-frequency radio emission from some of the closest brown dwarfs to the Sun with rapid rotation rates: SIMP J013656.5+093347, WISEPC J150649.97+702736.0, and WISEPA J174124.26+255319.5. We have placed robust 3-sigma upper limits on the flux density in the 111 - 169 MHz frequency range for these targets: WISE 1506: < 0.72 mJy; WISE 1741: < 0.87 mJy; SIMP 0136: < 0.66 mJy. At 8 hours of integration per target to achieve these limits, we find that systematic and detailed study of this class of object at LOFAR frequencies will require a substantial dedication of resources.
DOI Link: 10.1093/mnras/stw2065
ISSN: 0035-8711
eISSN: 1365-2966
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © the authors, 2016. This is an open-access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Appears in Collections:Published Articles, Dept. of Physics and Astronomy

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