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


Table 4

Coordinates (in J2000), spectral indices, spectral types determined following the definitions by Gizis (1997) and Lépine et al. (2007) for the new subdwarfs.

ID RA Dec TiO5 CaH1 CaH2 CaH3 TiO5 SpT_Gizis SpT_Lepine SpT_final
hh:mm:ss.ss °:′:′′

1 00:45:39.97  + 13:50:32.7 0.715 0.477 0.297 0.465 0.176 esdM5.2 esdM5.6 sdM7.5
3 01:33:46.25  + 13:28:22.4 0.911 0.340 0.321 0.468 0.194 esdM5.2 usdM5.4 esdM6.5
4 01:50:34.33  + 14:20:02.4 0.656 0.552 0.402 0.579 0.324 sdM4.4 sdM3.9 sdM6.0
5 02:05:33.75  + 12:38:24.1 0.648 0.270 0.141 0.268 0.002 esdM7.9 esdM8.5 sdM8.0
6 03:33:50.84  + 00:14:06.1 0.209 0.343 0.147 0.337 0.031 sdM8.3 sdM7.9 sdL0.0
9 08:43:58.50  + 06:00:38.6 0.814 0.551 0.377 0.544 0.281 sdM5.1 esdM4.4 usdM5.5
10 08:55:00.12  + 00:02:04.1 0.546 0.600 0.280 0.463 0.165 esdM5.3 sdM5.7 sdM6.0
13 10:01:26.29  −01:34:26.6 0.611 0.814 0.532 0.783 0.581 dM0.0 dM1.7 sdM5.0
16 11:58:26.62  + 04:47:46.8 0.140 0.816 0.218 0.387 0.088 sdM7.5 dM6.8 sdM9.5
17 12:02:14.62  + 07:31:13.8 0.959 0.314 0.258 0.439 0.137 esdM5.6 usdM6.1 esdM7.0
17 12:02:14.62  + 07:31:13.8 0.877 0.720 0.401 0.511 0.275 esdM4.6 usdM4.4 esdM7.0
18 12:15:08.37  + 04:02:00.5 0.528 0.628 0.218 0.405 0.097 esdM6.0 sdM6.7 sdM7.0
20 12:36:59.43  −00:21:58.2 0.693 0.609 0.343 0.558 0.268 esdM4.0 esdM4.5 esdM5.5
21 12:42:34.62  + 14:33:06.2 0.985 0.556 0.342 0.521 0.242 esdM4.5 usdM4.8 usdM5.0
22 12:44:25.90  + 10:24:41.9 0.135 0.657 0.180 0.272 0.018 sdM9.4 dM8.2 sdL0.5
23 12:46:21.90  + 04:43:09.9 0.702 0.688 0.421 0.625 0.372 sdM3.7 esdM3.5 esdM5.0
24 12:56:35.91  −00:19:44.9 0.722 0.597 0.347 0.483 0.220 esdM5.0 esdM5.1 esdM6.0
25 13:17:05.66  + 09:10:16.9 0.726 0.496 0.319 0.481 0.201 esdM5.0 esdM5.3 esdM7.0
25 13:17:05.66  + 09:10:16.9 0.641 1.079 0.240 0.434 0.125 esdM5.7 esdM6.3 esdM6.5
26 14:18:06.71  + 00:00:35.5 0.421 0.702 0.330 0.565 0.264 sdM4.6 sdM4.6 sdM6.5
27 14:54:41.42  + 12:35:56.7 0.742 0.348 0.499 0.633 0.231 esdM4.8 esdM4.9 esdM5.5
32 23:33:59.39  + 00:49:35.2 0.706 0.603 0.328 0.523 0.233 esdM4.5 esdM4.9 sdM6.0

Notes. The last column gives the adopted spectral types derived from direct comparison with spectral templates. If a target appears twice, the first line corresponds to the FORS2 spectrum, while the second is the SDSS spectrum.

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