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This article has an erratum: [https://doi.org/10.1051/0004-6361/201118717e]

Table 1

Running number, names according to the IAU nomenclature of UKIDSS, coordinates (in J2000), SDSS optical (ugriz) magnitudes with epoch, UKIDSS near-infrared (YJHK) magnitudes with epochs, total proper motion (μ in arcsec/yr), and the reduced proper motion (Hr) of ultracool subdwarf candidates extracted from the cross-match between the UKIDSS LAS DR5 and SDSS DR7.

ID Name RA Dec SDSSu SDSSg SDSSr SDSSi SDSSz Epoch Y J H K Epoch μ Hr
hh:mm:ss.ss °:′:′′ mag mag mag mag mag yr mag mag mag mag yr ′′/yr mag
1 ULAS J004539.97+135032.7 00:45:39.97  + 13:50:32.7 24.559  ±  1.069 25.657  ±  0.771 21.500  ±  0.075 20.254  ±  0.040 19.524  ±  0.079 1999.78 18.755  ±  0.055 18.043  ±  0.059 17.630  ±  0.088 17.363  ±  0.100 2007.71 0.14 22.177
2 ULAS J012830.89+134507.4 01:28:30.89  + 13:45:07.4 24.930  ±  1.485 26.014  ±  0.640 22.595  ±  0.294 21.154  ±  0.121 20.447  ±  0.256 1999.78 19.693  ±  0.172 19.318  ±  0.155 18.585  ±  0.145 18.719  ±  0.301 2007.64 0.13 23.240
3 ULAS J013346.25+132822.4 01:33:46.25  + 13:28:22.4 23.464  ±  0.835 20.822  ±  0.035 18.955  ±  0.012 17.822  ±  0.008 17.181  ±  0.013 1999.78 16.351  ±  0.009 15.855  ±  0.010 15.467  ±  0.015 15.250  ±  0.017 2007.63 0.28 21.211a
4 ULAS J015034.33+142002.4 01:50:34.33  + 14:20:02.4 23.456  ±  0.617 22.912  ±  0.196 21.087  ±  0.058 19.645  ±  0.026 18.895  ±  0.040 1999.78 18.018  ±  0.037 17.424  ±  0.032 16.946  ±  0.042 16.794  ±  0.069 2007.64 0.25 23.106
5 ULAS J02 533.75+123824.1 02:05:33.75  + 12:38:24.1 23.281  ±  0.597 21.944  ±  0.104 19.767  ±  0.021 18.113  ±  0.010 17.287  ±  0.018 2001.89 16.456  ±  0.008 15.872  ±  0.009 15.709  ±  0.012 15.590  ±  0.018 2006.89 0.27 21.925
6 ULAS J033350.84+001406.1 03:33:50.84  + 00:14:06.1 23.392  ±  0.753 23.818  ±  0.374 21.731  ±  0.102 19.193  ±  0.017 17.811  ±  0.021 1999.78 16.814  ±  0.006 16.106  ±  0.010 15.765  ±  0.009 15.504  ±  0.019 2007.63 0.78 26.201
7 ULAS J083525.41-000940.5 08:35:25.41  −00:09:40.5 24.659  ±  0.781 24.601  ±  0.532 22.497  ±  0.151 20.680  ±  0.047 19.851  ±  0.088 1999.22 19.098  ±  0.057 18.259  ±  0.077 18.186  ±  0.099 17.917  ±  0.138 2006.93 0.17 23.592
8 ULAS J084153.89+020615.1 08:41:53.89  + 02:06:15.1 23.580  ±  0.904 26.662  ±  0.390 23.681  ±  0.697 21.821  ±  0.253 20.290  ±  0.222 2000.92 19.638  ±  0.094 18.995  ±  0.097 18.496  ±  0.114 18.304  ±  0.194 2006.99 0.30 26.044
9 ULAS J084358.50+060038.6 08:43:58.50  + 06:00:38.6 22.352  ±  0.295 19.711  ±  0.015 17.815  ±  0.006 16.717  ±  0.005 16.083  ±  0.008 2002.19 15.268  ±  0.003 14.732  ±  0.004 14.307  ±  0.004 14.052  ±  0.006 2006.96 0.50 21.307b
10 ULAS J085500.12+000204.1 08:55:00.12  + 00:02:04.1 24.020  ±  0.725 24.205  ±  0.400 22.320  ±  0.128 20.745  ±  0.048 19.929  ±  0.107 2000.17 19.293  ±  0.072 18.610  ±  0.072 18.366  ±  0.094 18.344  ±  0.211 2006.93 0.16 23.364
11 ULAS J093502.10+080551.8 09:35:02.10  + 08:05:51.8 23.088  ±  0.548 24.742  ±  0.709 22.374  ±  0.185 21.318  ±  0.121 20.494  ±  0.197 2002.19 19.767  ±  0.108 19.182  ±  0.108 18.685  ±  0.109 18.527  ±  0.194 2007.06 0.61 26.314
12 ULAS J095133.35+070208.9 09:51:33.35  + 07:02:08.9 25.254  ±  0.829 24.666  ±  0.677 22.335  ±  0.178 20.994  ±  0.092 20.001  ±  0.131 2002.93 19.384  ±  0.063 18.891  ±  0.083 18.311  ±  0.088 18.374  ±  0.175 2008.13 1.01 27.353
13 ULAS J100126.29-013426.6 10:01:26.29  −01:34:26.6 25.659  ±  0.956 24.326  ±  0.700 22.214  ±  0.170 21.051  ±  0.107 20.444  ±  0.206 2000.17 19.517  ±  0.088 18.779  ±  0.082 18.469  ±  0.117 18.198  ±  0.199 2005.99 0.80 26.739
14 ULAS J100743.96-022830.0 10:07:43.96  −02:28:30.0 25.722  ±  0.798 25.124  ±  0.871 23.240  ±  0.440 21.528  ±  0.142 20.461  ±  0.196 2000.17 19.891  ±  0.098 19.060  ±  0.130 18.534  ±  0.106 18.398  ±  0.227 2005.97 0.27 25.421
15 ULAS J101613.89+011311.4 10:16:13.89  + 01:13:11.4 24.805  ±  1.451 24.590  ±  0.988 22.513  ±  0.260 21.036  ±  0.113 20.514  ±  0.261 2000.98 19.573  ±  0.111 18.855  ±  0.146 18.447  ±  0.115 18.451  ±  0.231 2008.13 0.16 23.556
16 ULAS J115826.62+044746.8 11:58:26.62  + 04:47:46.8 24.243  ±  0.864 23.832  ±  0.338 21.961  ±  0.093 19.426  ±  0.017 18.155  ±  0.022 2001.14 17.121  ±  0.014 16.486  ±  0.016 16.124  ±  0.014 15.836  ±  0.020 2008.13 0.19 23.346
17 ULAS J120214.62+073113.8 12:02:14.62  + 07:31:13.8 24.028  ±  0.953 22.681  ±  0.130 20.601  ±  0.034 19.444  ±  0.018 18.720  ±  0.038 2003.25 18.059  ±  0.046 17.539  ±  0.029 17.041  ±  0.033 16.902  ±  0.051 2007.29 0.34 23.284c
18 ULAS J1215 8.37+040200.5 12:15:08.37  + 04:02:00.5 24.584  ±  0.971 23.636  ±  0.381 21.517  ±  0.063 20.016  ±  0.028 19.116  ±  0.047 2001.14 18.302  ±  0.039 17.698  ±  0.039 17.242  ±  0.046 17.154  ±  0.076 2007.26 0.25 23.545
19 ULAS J122145.28+080404.4 12:21:45.28  + 08:04:04.4 26.002  ±  0.968 26.215  ±  0.756 22.897  ±  0.430 21.635  ±  0.227 20.358  ±  0.235 2003.25 19.973  ±  0.087 19.141  ±  0.115 18.417  ±  0.094 18.488  ±  0.217 2007.06 0.30 25.306
20 ULAS J123659.43-002158.2 12:36:59.43  −00:21:58.2 24.089  ±  0.876 21.392  ±  0.050 19.563  ±  0.015 18.404  ±  0.010 17.745  ±  0.018 1999.22 16.900  ±  0.016 16.406  ±  0.012 16.040  ±  0.015 15.775  ±  0.023 2005.44 0.29 21.877d
21 ULAS J124234.62+143306.2 12:42:34.62  + 14:33:06.2 25.128  ±  0.972 21.662  ±  0.059 19.794  ±  0.020 18.740  ±  0.014 18.121  ±  0.028 2003.08 17.334  ±  0.017 16.821  ±  0.019 16.485  ±  0.023 16.283  ±  0.036 2007.26 0.29 22.133
22 ULAS J124425.90+102441.9 12:44:25.90  + 10:24:41.9 25.453  ±  0.726 25.472  ±  0.566 22.499  ±  0.157 19.483  ±  0.020 18.019  ±  0.019 2002.19 16.982  ±  0.008 16.259  ±  0.010 15.999  ±  0.011 15.773  ±  0.019 2007.12 0.67 26.638
23 ULAS J124621.90+044309.9 12:46:21.90  + 04:43:09.9 23.343  ±  0.639 21.912  ±  0.095 20.083  ±  0.024 19.000  ±  0.016 18.415  ±  0.041 2001.29 17.664  ±  0.018 17.141  ±  0.020 16.718  ±  0.024 16.447  ±  0.035 2007.05 0.18 21.334
24 ULAS J125635.91-001944.9 12:56:35.91  −00:19:44.9 24.973  ±  0.772 21.414  ±  0.045 19.484  ±  0.014 18.231  ±  0.009 17.518  ±  0.015 1999.22 16.694  ±  0.009 16.167  ±  0.009 15.729  ±  0.011 15.518  ±  0.017 2005.45 0.36 22.236e
25 ULAS J131705.66+091016.9 13:17:05.66  + 09:10:16.9 25.781  ±  0.946 22.569  ±  0.147 20.505  ±  0.038 19.313  ±  0.017 18.561  ±  0.032 2003.32 17.843  ±  0.025 17.311  ±  0.027 16.940  ±  0.034 16.738  ±  0.049 2006.47 0.32 23.030
26 ULAS J141806.71+000035.5 14:18:06.71  + 00:00:35.5 25.359  ±  0.824 24.845  ±  1.117 21.872  ±  0.102 20.286  ±  0.041 19.522  ±  0.085 1999.22 18.595  ±  0.055 18.079  ±  0.031 17.723  ±  0.090 17.801  ±  0.183 2005.45 0.19 23.248
27 ULAS J145441.42+123556.7 14:54:41.42  + 12:35:56.7 22.972  ±  0.350 21.191  ±  0.035 19.274  ±  0.012 18.107  ±  0.009 17.449  ±  0.013 2003.47 16.664  ±  0.007 16.121  ±  0.010 15.695  ±  0.012 15.471  ±  0.013 2007.26 0.31 21.742f
28 ULAS J151211.64+064251.3 15:12:11.64  + 06:42:51.3 25.525  ±  1.651 24.856  ±  1.050 22.424  ±  0.284 21.189  ±  0.118 20.351  ±  0.208 2003.32 19.501  ±  0.078 18.830  ±  0.080 18.503  ±  0.109 18.181  ±  0.160 2006.43 0.33 24.992
29 ULAS J154331.93+024537.8 15:43:31.93  + 02:45:37.8 25.682  ±  0.934 25.591  ±  0.715 23.278  ±  0.383 21.929  ±  0.187 21.047  ±  0.366 2000.36 19.536  ±  0.092 18.742  ±  0.099 18.160  ±  0.124 18.049  ±  0.194 2006.57 0.73 27.602
30 ULAS J154450.60+051613.6 15:44:50.60  + 05:16:13.6 23.830  ±  1.103 24.671  ±  0.770 22.769  ±  0.192 21.449  ±  0.114 20.978  ±  0.407 2001.46 19.685  ±  0.117 19.232  ±  0.108 18.604  ±  0.127 18.693  ±  0.214 2005.43 1.21 28.182
31 ULAS J154855.74+080508.2 15:48:55.74  + 08:05:08.2 24.355  ±  1.431 25.155  ±  0.720 22.719  ±  0.214 21.178  ±  0.070 20.786  ±  0.241 2003.25 18.783  ±  0.045 18.214  ±  0.050 17.745  ±  0.083 17.633  ±  0.127 2006.44 1.13 27.983
32 ULAS J233359.39+004935.2 23:33:59.39  + 00:49:35.2 24.651  ±  0.928 23.284  ±  0.200 21.476  ±  0.066 20.152  ±  0.036 19.427  ±  0.063 2001.79 18.541  ±  0.058 18.018  ±  0.036 17.628  ±  0.070 17.368  ±  0.090 2007.61 0.20 23.005g

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