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Table 3

Proper motion measurements.

Abriged Δt S/Na Images μαcosδ μδ
name (yr) 1st/2nd UKIDSS/VIMOS (mas yr-1) (mas yr-1)
J1554−2135 3.82 >15/>15 J/z −10.61 ± 3.69 −20.33 ± 3.83
3.82 >15/>15 K/z −14.01 ± 2.89 −21.76 ± 3.72
3.82 >15/>15 J/I −11.19 ± 3.73 −17.49 ± 3.58
3.82 >15/>15 K/I −17.97 ± 2.22 −13.88 ± 2.26
5.78 >15/>15 K/K −13.03 ± 3.07 −22.81 ± 3.23
Weighted value −13.72 ± 3.73 −20.50 ± 3.83
J1548−2142 3.87 >15/>15 J/z 5.56 ± 3.88 −14.60 ± 4.23
3.87 >15/>15 K/z 5.53 ± 3.11 −17.31 ± 3.70
3.87 >15/>15 J/I 5.25 ± 4.15 −14.87 ± 4.65
3.87 >15/>15 K/I 5.42 ± 3.75 −15.77 ± 3.86
5.78 >15/>15 K/K 4.28 ± 4.37 −16.93 ± 3.90
Weighted value 4.75 ± 4.37 −16.48 ± 4.65
J1550−2201b 3.88 >15/>15 J/z 4.69 ± 4.40 −84.60 ± 4.45
3.88 >15/>15 K/z −3.04 ± 4.74 −88.24 ± 4.87
3.88 >15/>15 J/I 13.70 ± 5.24 −83.01 ± 3.99
3.88 >15/>15 K/I 8.21 ± 5.34 −85.76 ± 4.72
5.78 >15/>15 K/K 2.76 ± 3.49 −85.27 ± 3.29
Weighted value 3.79 ± 5.34 −85.21 ± 4.87
J1551−2142 3.88 >15/>15 J/z 4.81 ± 5.42 −22.79 ± 5.35
3.88 >15/>15 K/z 8.67 ± 4.21 −22.21 ± 4.18
3.88 >15/>15 J/I 5.76 ± 5.27 −17.51 ± 5.09
3.88 >15/>15 K/I 11.95 ± 3.86 −20.41 ± 4.06
5.78 >15/>15 K/K 7.15 ± 3.69 −27.46 ± 3.37
Weighted value 7.73 ± 5.42 −24.78 ± 5.35
J1554−2142 3.82 >15/>15 J/z −17.30 ± 6.37 10.50 ± 6.07
3.82 >15/>15 K/z −21.07 ± 5.71 9.06 ± 5.03
3.82 >15/>15 J/I −18.27 ± 6.54 9.48 ± 6.47
3.82 >15/>15 K/I −21.90 ± 5.76 11.25 ± 4.75
5.78 >15/>15 K/K −23.97 ± 5.10 10.81 ± 4.43
Weighted value −22.33 ± 6.54 10.54 ± 6.47
J1555−2128 3.82 14.7/>15 J/z −30.17 ± 7.32 −2.12 ± 7.02
3.82 >15/>15 K/z −21.60 ± 4.50 4.27 ± 5.34
3.82 14.7/>15 J/I −40.73 ± 7.13 8.07 ± 7.01
3.82 >15/>15 K/I −20.90 ± 4.52 −3.93 ± 5.20
5.78 >15/>15 K/K −30.42 ± 4.92 −1.25 ± 4.89
Weighted value −28.37 ± 7.32 −0.31 ± 7.02
J1551−2134 3.88 7.1/>15 J/z 1.66 ± 10.82 −26.60 ± 11.15
3.88 10.5/>15 H/z −15.07 ± 7.07 −9.21 ± 6.37
3.88 14.5/>15 K/z −8.73 ± 4.68 −13.95 ± 4.74
3.88 7.1/>15 J/I −3.22 ± 10.90 −27.97 ± 11.24
3.88 10.5/>15 H/I −19.88 ± 7.03 −12.87 ± 6.55
3.88 14.5/>15 K/I −10.84 ± 4.27 −16.02 ± 4.37
5.78 14.6/>15 K/K −5.68 ± 4.85 −22.85 ± 5.00
Weighted value −7.76 ± 7.07 −19.72 ± 6.55
J1552−2124c 3.88 6.0/>15 J/z −6.69 ± 12.41 0.37 ± 11.16
3.88 7.9/>15 H/z −3.78 ± 6.97 −23.15 ± 6.68
3.88 8.0/>15 K/z 9.02 ± 6.10 8.93 ± 7.04
3.88 6.0/>15 J/I −5.10 ± 12.13 −2.06 ± 10.97
3.88 7.9/>15 H/I −5.22 ± 6.71 −23.73 ± 6.63
3.88 8.0/>15 K/I 10.48 ± 5.46 9.09 ± 6.93
5.78 8.0/>15 K/K 5.23 ± 5.38 −0.88 ± 6.14
Weighted value 4.24 ± 10.90 −3.28 ± 11.24
J1549−2115c 3.88 6.4/>15 J/z −20.01 ± 12.11 −12.04 ± 10.70
3.88 6.2/>15 H/z 12.09 ± 9.43 −9.29 ± 9.50
3.88 8.3/>15 K/z −2.90 ± 8.06 −0.95 ± 8.30
3.88 6.4/>15 J/I −24.98 ± 11.81 −14.31 ± 10.75
3.88 6.2/>15 H/I 10.82 ± 9.31 −10.19 ± 8.88
3.88 8.3/>15 K/I −4.75 ± 7.96 −7.39 ± 7.69
5.78 7.6/8.1 K/K −0.11 ± 6.22 −3.00 ± 6.26
Weighted value −1.10 ± 12.11 −5.11 ± 10.75

Notes.

(a)

S/N of the photometric candidates on the corresponding UKIDSS and VIMOS images.

(b)

Known high proper motion source (2MASS J15501151−2201213). Our proper motion measurement agrees within 1σ with the value reported by Deacon et al. (2009)

(c)

Candidates discarded in Sect. 3.3.

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