A LOFAR mini-survey for low-frequency radio emission from the nearest brown dwarfs

Ben Burningham, M. Hardcastle, J. D. Nichols, S. L. Casewell, S. P. Littlefair, Craig R. Stark, M. R. Burleigh, S. Metchev, M. E. Tannock, R. J. van Weeren, W. L. Williams, G. A. Wynn

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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 150649.97+702736.0, and WISEPA J174124.26+255319.5.We have placed robust 3s 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.
Original languageEnglish
Pages (from-to)2202–2209
Number of pages8
JournalMonthly Notices of the Royal Astronomical Society
Volume463
DOIs
Publication statusPublished - 19 Aug 2016

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LOFAR
Wide-field Infrared Survey Explorer
radio emission
radio
low frequencies
resource
resources
sun
flux density
frequency ranges
rate

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Burningham, B., Hardcastle, M., Nichols, J. D., Casewell, S. L., Littlefair, S. P., Stark, C. R., ... Wynn, G. A. (2016). A LOFAR mini-survey for low-frequency radio emission from the nearest brown dwarfs. Monthly Notices of the Royal Astronomical Society, 463, 2202–2209. https://doi.org/10.1093/mnras/stw2065
Burningham, Ben ; Hardcastle, M. ; Nichols, J. D. ; Casewell, S. L. ; Littlefair, S. P. ; Stark, Craig R. ; Burleigh, M. R. ; Metchev, S. ; Tannock, M. E. ; van Weeren, R. J. ; Williams, W. L. ; Wynn, G. A. / A LOFAR mini-survey for low-frequency radio emission from the nearest brown dwarfs. In: Monthly Notices of the Royal Astronomical Society. 2016 ; Vol. 463. pp. 2202–2209.
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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 150649.97+702736.0, and WISEPA J174124.26+255319.5.We have placed robust 3s 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.",
author = "Ben Burningham and M. Hardcastle and Nichols, {J. D.} and Casewell, {S. L.} and Littlefair, {S. P.} and Stark, {Craig R.} and Burleigh, {M. R.} and S. Metchev and Tannock, {M. E.} and {van Weeren}, {R. J.} and Williams, {W. L.} and Wynn, {G. A.}",
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Burningham, B, Hardcastle, M, Nichols, JD, Casewell, SL, Littlefair, SP, Stark, CR, Burleigh, MR, Metchev, S, Tannock, ME, van Weeren, RJ, Williams, WL & Wynn, GA 2016, 'A LOFAR mini-survey for low-frequency radio emission from the nearest brown dwarfs', Monthly Notices of the Royal Astronomical Society, vol. 463, pp. 2202–2209. https://doi.org/10.1093/mnras/stw2065

A LOFAR mini-survey for low-frequency radio emission from the nearest brown dwarfs. / Burningham, Ben; Hardcastle, M.; Nichols, J. D.; Casewell, S. L.; Littlefair, S. P.; Stark, Craig R.; Burleigh, M. R.; Metchev, S.; Tannock, M. E.; van Weeren, R. J.; Williams, W. L.; Wynn, G. A.

In: Monthly Notices of the Royal Astronomical Society, Vol. 463, 19.08.2016, p. 2202–2209.

Research output: Contribution to journalArticle

TY - JOUR

T1 - A LOFAR mini-survey for low-frequency radio emission from the nearest brown dwarfs

AU - Burningham, Ben

AU - Hardcastle, M.

AU - Nichols, J. D.

AU - Casewell, S. L.

AU - Littlefair, S. P.

AU - Stark, Craig R.

AU - Burleigh, M. R.

AU - Metchev, S.

AU - Tannock, M. E.

AU - van Weeren, R. J.

AU - Williams, W. L.

AU - Wynn, G. A.

PY - 2016/8/19

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N2 - 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 150649.97+702736.0, and WISEPA J174124.26+255319.5.We have placed robust 3s 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.

AB - 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 150649.97+702736.0, and WISEPA J174124.26+255319.5.We have placed robust 3s 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.

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