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Table 1.
Logs of the VLT/X-shooter spectroscopic observations of M subdwarfs.
| RA (J2000) | Dec (J2000) | i′ | SpT | Date | Airm | ExpT | Cycles |
|---|---|---|---|---|---|---|---|
| hh:mm:ss.ss | dd:mm:ss.s | mag | s/s/s | ||||
| 23:46:59.87 | −00:59:43.9 | 15.166 | sdM0.0 | 13 Aug. 2012 | 1.30 | 90/66/66 | 2AB |
| 21:22:02.76 | +00:44:56.8 | 14.996 | sdM0.5 | 21 May 2012 | 1.13 | 90/66/66 | 2AB |
| 00:48:00.05 | +00:28:49.4 | 15.260 | sdM1.0 | 13 Aug. 2012 | 1.22 | 90/66/66 | 2AB |
| 00:51:25.68 | −00:37:16.9 | 16.666 | sdM1.5 | 18 Aug. 2012 | 1.10 | 216/216/240 | 2AB |
| 23:57:32.54 | −01:10:36.3 | 15.692 | sdM2.0 | 17 Aug. 2012 | 1.32 | 90/66/66 | 2AB |
| 01:17:46.53 | −00:01:05.3 | 16.196 | sdM2.5 | 13 Aug. 2012 | 1.36 | 90/66/66 | 2AB |
| 03:24:49.81 | −00:15:05.0 | 14.942 | sdM3.0 | 15 Aug. 2012 | 1.14 | 90/66/66 | 2AB |
| 02:12:08.59 | +00:37:01.5 | 14.918 | sdM3.5 | 19 Aug. 2012 | 1.11 | 90/66/66 | 2AB |
| 03:46:01.58 | +00:55:11.6 | 15.872 | sdM4.0 | 19 Aug. 2012 | 1.14 | 90/66/66 | 2AB |
| 22:57:48.05 | +14:29:39.9 | 18.336 | sdM4.5 | 07 Jul. 2013 | 1.39 | 276/292/300 | 5AB |
| 00:48:36.45 | +00:09:31.7 | 17.175 | sdM5.0 | 10 Jan. 2012 | 1.32 | 90/66/66 | AB |
| 23:53:36.94 | +00:47:34.1 | 18.025 | sdM5.5 | 14 Jul. 2013 | 1.26 | 276/292/300 | 5AB |
| 00:25:52.59 | +01:09:24.9 | 17.797 | sdM6.0 | 19 Aug. 2012 | 1.18 | 266/266/290 | 5AB |
| 16:10:28.99 | −00:40:53.0 | 15.903 | sdM6.5 | 10 Jun. 2012 | 1.11 | 90/66/66 | 2AB |
| 02:05:33.75 | +12:38:24.0 | 18.107 | sdM8.0 | 11 Aug. 2012 | 1.30 | 266/266/290 | 5AB |
| 10:13:07.35 | −13:56:20.4 | 16.010 | sdM9.5 | 09 May 2013 | 1.34 | 126/142/150 | 1AB |
| 01:37:55.30 | −09:39:41.9 | 17.488 | esdM0.0 | 08 Sep. 2013 | 1.45 | 276/292/300 | 5AB |
| 23:25:41.30 | +00:04:19.6 | 16.203 | esdM0.5 | 18 Aug. 2012 | 1.13 | 90/66/66 | 2AB |
| 00:38:02.86 | +00:50:14.2 | 17.520 | esdM1.0 | 14 Jul. 2013 | 1.20 | 276/292/300 | 5AB |
| 23:40:39.45 | −00:51:18.4 | 16.263 | esdM1.5 | 12 Aug. 2012 | 1.49 | 90/66/66 | 2AB |
| 12:55:29.19 | −03:30:55.8 | 17.536 | esdM2.0 | 11 Jul. 2013 | 1.18 | 276/292/300 | 5AB |
| 12:53:53.35 | +12:12:48.7 | 16.531 | esdM3.0 | 11 Jul. 2013 | 1.30 | 126/142/150 | 3AB |
| 14:52:04.63 | +10:18:26.3 | 17.892 | esdM3.5 | 30 Jun. 2014 | 1.22 | 276/292/300 | 5AB |
| 00:40:18.18 | −10:41:55.9 | 17.405 | esdM4.0 | 18 Aug. 2012 | 1.04 | 276/292/300 | 5AB |
| 01:09:54.11 | −10:12:12.6 | 14.766 | esdM4.5 | 04 Aug. 2013 | 1.05 | 126/142/150 | 1AB |
| 13:31:51.15 | −00:09:19.0 | 18.180 | esdM5.0 | 15 Jun. 2013 | 1.16 | 276/292/300 | 5AB |
| 09:03:07.95 | +08:42:43.2 | 15.988 | esdM5.5 | 18 Apr. 2014 | 1.20 | 126/142/150 | 1AB |
| 15:36:47.08 | +02:55:01.5 | 19.071 | esdM6.0 | 12 Aug. 2012 | 1.14 | 276/276/300 | 6AB |
| 01:33:46.24 | +13:28:22.4 | 17.830 | esdM6.5 | 04 Aug. 2013 | 1.37 | 276/292/300 | 5AB |
| 02:35:57.61 | +01:08:00.5 | 19.190 | esdM7.0 | 09 Sep. 2013 | 1.11 | 456/472/480 | 4AB |
| 05:58:58.91 | −29:03:26.7 | 16.320 | esdM7.5 | 27 Aug. 2012 | 1.34 | 216/216/240 | 2AB |
| 04:52:09.94 | −22:45:08.4 | 17.220 | esdM8.5 | 17 Aug. 2012 | 1.13 | 216/216/240 | 2AB |
| 03:27:28.10 | −00:50:01.4 | 17.462 | usdM0.0 | 16 Sep. 2012 | 1.09 | 266/266/290 | 5AB |
| 15:34:04.63 | +09:36:22.5 | 17.984 | usdM0.5 | 09 Aug. 2013 | 1.22 | 266/266/290 | 5AB |
| 15:12:18.36 | +09:30:40.7 | 17.890 | usdM1.0 | 23 Jul. 2013 | 1.23 | 276/292/300 | 5AB |
| 20:59:20.57 | +00:00:33.4 | 17.853 | usdM2.5 | 11 Aug. 2012 | 1.12 | 266/266/290 | 5AB |
| 10:41:07.20 | +06:33:04.7 | 18.062 | usdM3.0 | 31 May 2013 | 1.27 | 246/262/270 | 5AB |
| 15:35:40.74 | +08:21:43.3 | 18.008 | usdM4.0 | 10 Aug. 2013 | 1.21 | 276/292/300 | 5AB |
| 14:17:48.62 | +07:11:05.4 | 17.658 | usdM4.5 | 12 Jul. 2013 | 1.18 | 276/292/300 | 5AB |
| 12:04:26.91 | +13:29:23.3 | 16.549 | usdM5.0 | 12 Jun. 2012 | 1.33 | 216/216/240 | 2AB |
| 16:27:54.22 | +00:37:14.0 | 18.384 | usdM5.5 | 17 Aug. 2012 | 1.15 | 266/266/290 | 5AB |
| 16:41:23.73 | +24:49:42.4 | 17.233 | usdM6.0 | 15 Jul. 2013 | 1.58 | 126/142/150 | 3AB |
| 08:22:33.69 | +17:00:19.9 | 17.300 | usdM7.5 | 03 Apr. 2013 | 1.39 | 126/142/150 | 3AB |
| 12:27:05.06 | −04:47:20.7 | 16.630 | usdM8.5 | 11 Jul. 2013 | 1.35 | 126/142/150 | 3AB |
Notes. We list the coordinates and Sloan i′ magnitude, the spectral type from the SDSS spectroscopic database, the date of the VLT X-shooter with the airmass at the beginning of the observations, the on-source integrations in each arm (UVB/VIS/NIR) with the numbers of AB cycles (identical for all arms).
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