Table A.1
Log of the FORS2 observations obtained with grism 1200B in spectropolarimetric mode during the run dedicated to Of?p stars (listed in boldface fonts).
DATE | UT | RA | Dec | STAR | V | Sp. | Exp | S/N | ⟨Bz⟩ | ⟨Nz⟩ | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|
yyyy-dd-mm | hh:mm | J2000 | Å−1 | G | G | |||||||
2017-11-21 | 00:00 | 19:53:18.7 | −03:06:52 | HD 188041 | 5.6 | F0 Vp | 80 | 4090 | 772 | ± 18 | 4 | ± 9 |
2017-11-21 | 23:54 | 80 | 2765 | 779 | ± 21 | − 21 | ± 13 | |||||
2017-11-21 | 08:50 | 10:55:01.0 | −42:15:04 | HD 94660 | 6.1 | Ap | 60 | 3010 | − 2345 | ± 25 | − 15 | ± 10 |
2017-11-22 | 01:28 | 00:49:47.6 | −73:17:53 | AzV 55 | 13.4 | B5 | 6800 | 1480 | − 130 | ± 60 | 5 | ± 60 |
2017-11-24 | 02:25 | 8880 | 1610 | − 75 | ± 60 | − 155 | ± 60 | |||||
2017-11-21 | 00:32 | 00:49:58.7 | −73:19:28 | SMC 159-2 | 15.1 | O8f?p | 7200 | 580 | 625 | ± 405 | − 275 | ± 425 |
2017-11-21 | 04:00 | 6400 | 540 | 580 | ± 505 | 390 | ± 485 | |||||
2017-11-22 | 01:28 | 6800 | 605 | 1050 | ± 430 | 865 | ± 425 | |||||
2017-11-24 | 02:25 | 8880 | 590 | 615 | ± 420 | 1215 | ± 440 | |||||
2017-11-22 | 01:28 | 00:49:59.7 | −73:18:42 | 2MASS J00495968-7 318 420 | 15.2 | HPMS | 6800 | 675 | − 185 | ± 145 | − 35 | ± 145 |
2017-11-24 | 02:25 | 8880 | 740 | − 325 | ± 170 | − 95 | ± 160 | |||||
2017-11-22 | 01:28 | 00:50:04.8 | −73:21:03 | 2dFS 5037 | 15.0 | B0.5 (V) | 6800 | 635 | 330 | ± 260 | − 540 | ± 265 |
2017-11-22 | 01:28 | 00:50:06.3 | −73:16:32 | AzV 66 | 13.5 | B0.5 V | 6800 | 1380 | − 75 | ± 100 | 55 | ± 100 |
2017-11-24 | 02:25 | 8880 | 1495 | − 215 | ± 95 | − 285 | ± 100 | |||||
2017-11-22 | 01:28 | 00:50:17.5 | −73:17:18 | 2dFS 5038 | 15.1 | B0.5 (V) | 6800 | 715 | 220 | ± 190 | − 55 | v195 |
2017-11-24 | 04:51 | 00:58:53.3 | −72:08:35 | SkKM 179 | 12.9 | G8Iab-Ib | 8800 | 850 | − 130 | ± 50 | − 15 | ± 50 |
2017-11-24 | 04:51 | 00:59:00.9 | −72:07:18 | NGC 346 ELS 27 | 15.0 | B0.5 V | 8800 | 550 | − 1005 | ± 445 | − 130 | ± 460 |
2017-11-24 | 04:51 | 00:59:04.2 | −72:04:49 | NGC 346 ELS 68 | 15.9 | B0 V(Be-Fe) | 8800 | 480 | − 675 | ± 830 | 200 | ± 920 |
2017-11-24 | 04:51 | 00:59:05.6 | −72:08:02 | NGC 346 ELS 19 | 14.9 | A0 II | 8800 | 525 | − 615 | ± 315 | 685 | ± 385 |
2017-11-24 | 04:51 | 00:59:10.0 | −72:05:49 | AzV 220 | 14.5 | O6.5f?p | 8800 | 845 | − 225 | ± 305 | − 155 | ± 290 |
2017-11-24 | 04:51 | 00:59:18.3 | −72:04:21 | NGC 346 1080 | 16.1 | B0.5 III | 8800 | 535 | 475 | ± 395 | 575 | ± 425 |
2017-11-24 | 04:51 | 00:59:20.8 | −72:02:59 | NGC 346 ELS 103 | 16.2 | B0.5 V | 8800 | 430 | − 320 | ± 480 | 630 | ± 490 |
2017-11-24 | 04:51 | 00:59:20.8 | −72:03:38 | NGC 346 ELS 100 | 16.1 | B1.5 V | 8800 | 430 | − 50 | ± 595 | 190 | ± 575 |
2017-11-21 | 06:40 | 05:31:09.9 | −67:11:19 | [W60] D24 | 13.2 | M1 I | 9600 | 1065 | 5 | ± 30 | − 30 | ± 30 |
2017-11-23 | 07:39 | 7200 | 1050 | 5 | ± 30 | 15 | ± 30 | |||||
2017-11-21 | 06:40 | 05:31:54.5 | −67:08:22 | RM 1-546 | 13.4 | M: E | 9600 | 695 | 10 | ± 50 | 70 | ± 50 |
2017-11-23 | 07:39 | 7200 | 655 | 100 | ± 45 | − 85 | ± 50 | |||||
2017-11-21 | 06:40 | 05:31:54.8 | −67:11:21 | 2MASS 05315473-6 711 194 | 14.7 | 9600 | 845 | − 395 | ± 200 | 225 | ± 205 | |
2017-11-23 | 07:39 | 7200 | 820 | − 220 | ± 200 | 350 | ± 205 | |||||
2017-11-21 | 06:40 | 05:32:22.9 | −67:10:19 | LMCe 136-1 | 14.6 | O6.5f?p | 9600 | 995 | 450 | ± 235 | − 10 | ± 235 |
2017-11-23 | 07:39 | 7200 | 890 | − 85 | ± 275 | − 230 | ± 280 | |||||
2017-11-21 | 06:40 | 05:32:32.9 | −67:10:42 | TYC 8891-3239-1 | 11.3 | 9600 | 3085 | − 55 | ± 15 | − 45 | ± 15 | |
2017-11-21 | 06:40 | 05:32:39.2 | −67:09:49 | 2MASS 05323916-6 709 487 | 14.4 | 9600 | 1095 | 375 | ± 110 | − 25 | ± 110 | |
2017-11-23 | 07:39 | 7200 | 1060 | 130 | ± 105 | 135 | ± 105 | |||||
2017-11-21 | 06:40 | 05:32:47.4 | −67:10:05 | SK-67 180 | 12.6 | B3: I | 9600 | 2280 | − 5 | ± 50 | 30 | ± 50 |
2017-11-23 | 07:39 | 7200 | 2260 | − 125 | ± 55 | 85 | ± 50 | |||||
2017-11-21 | 06:40 | 05:32:55.2 | −67:10:20 | 2MASS 05325508-6 710 200 | 15.7 | ?? | 9600 | 580 | − 180 | ± 325 | − 535 | ± 325 |
2017-11-23 | 07:39 | 7200 | 575 | 320 | ± 180 | 20 | ± 280 |
Notes. The first two entries refer to known magnetic Ap stars. Columns 1 and 2 give the civilian date and UT time of the midpoint of the observation; Cols. 3–5 give the J2000 RA and Dec and the target name as identified through SIMBAD or other catalogues; Col. 6 gives the V magnitude; Col. 7 is the star’s spectral type; Cols. 8 and 9 give the total exposure time and the S/N per Å; and Cols. 10 and 11 give our field determination from the reduced Stokes V profiles, ⟨Bz ⟩, and from the null profiles, ⟨Nz⟩, respectively.
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