2016MNRAS.463.2202B

Query : 2016MNRAS.463.2202B

2016MNRAS.463.2202B - Mon. Not. R. Astron. Soc., 463, 2202-2209 (2016/December-1)

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

BURNINGHAM B., HARDCASTLE M., NICHOLS J.D., CASEWELL S.L., LITTLEFAIR S.P., STARK C., BURLEIGH M.R., METCHEV S., TANNOCK M.E., VAN WEEREN R.J., WILLIAMS W.L. and WYNN G.A.

Abstract (from CDS):

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 3σ 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 h 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.

Abstract Copyright: © The Author 2016. Published by Oxford University Press on behalf of The Royal Astronomical Society.

Journal keyword(s): surveys - brown dwarfs - stars: low-mass - stars: low-mass

Simbad objects: 10

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Number of rows : 10
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 SIMP J013656.5+093347.3 BD* 01 36 56.5605419830 +09 33 47.311965969           T2.0 167 0
2 4C 09.06 Rad 01 37 15.979 +09 29 54.36           ~ 12 1
3 DENIS J104814.6-395606 LM* 10 48 14.5736104113 -39 56 06.842743867     17.532 15.051 12.67 M8.5Ve: 141 0
4 3C 309.1 Bla 14 59 07.58390804 +71 40 19.8668093   17.24 16.78 17.2   ~ 509 1
5 TVLM 513-46 BD* 15 01 08.1864639648 +22 50 02.137869060   21.4 15.09 18.0   M8.5V 189 0
6 2MASS J15065257+7027247 BD* 15 06 52.4405555587 +70 27 25.151283824           T6 23 0
7 3C 314.1 rG 15 10 23.1 +70 45 54   17       ~ 92 0
8 WISEP J174124.25+255319.5 BD* 17 41 24.62064 +25 53 34.3608           T9 32 1
9 MCG+07-41-003 Bla 19 59 28.35656837 +40 44 02.0972325   16.22 15.10     ~ 2537 2
10 NAME Cas A SNR 23 23 26.0 +58 48 41     14.30     ~ 3033 1

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