Table A.2
Log of the FORS2 observations from the run on very massive stars (VMS) and field measurements from absorption lines.
| DATE | UT | RA | Dec | STAR | V | Sp. type | S/N | ⟨Bz⟩ | ⟨Nz⟩ | Note | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yyyy-dd-mm | hh:mm | J2000 | Å−1 | G | G | |||||||
| 2015-03-05 | 01:37 | 05:38:17.7 | − 69:03:39 | VFTS 291 | 14.9 | B5 II-Ib | 395 | − 75 | ± 770 | 1035 | ± 765 | |
| 2015-03-05 | 03:01 | [HBC93] 275 | 355 | 910 | ± 980 | − 815 | ± 1005 | |||||
| 2015-02-19 | 03:38 | 05:38:26.7 | − 69:08:53 | VFTS 341 | 14.0 | K5Ia-Iab | 560 | 105 | ± 145 | 200 | ± 150 | |
| 2015-02-25 | 03:14 | WOH S 452 | 570 | − 185 | ± 125 | − 20 | ± 130 | |||||
| 2015-03-05 | 01:37 | 540 | 390 | ± 145 | 30 | ± 135 | ||||||
| 2015-03-05 | 03:01 | 490 | 60 | ± 170 | 210 | ± 175 | ||||||
| 2015-04-01 | 00:51 | 545 | 135 | ± 130 | − 75 | ± 145 | ||||||
| 2015-02-19 | 03:38 | 05:38:37.8 | − 69:03:29 | VFTS 441 | 15.1 | O9.5V | 340 | − 1660 | ± 1025 | − 840 | ± 960 | |
| 2015-02-25 | 03:14 | [P93] 613 | 360 | 405 | ± 1110 | − 900 | ± 1100 | |||||
| 2015-04-01 | 00:51 | 375 | − 585 | ± 1140 | − 555 | ± 1110 | ||||||
| 2015-02-19 | 03:38 | 05:38:38.8 | − 69:06:50 | VFTS 457 | 13.7 | O3.5 If*/WN7 | 645 | 605 | ± 175 | 40 | ± 100 | 1 |
| 2015-02-25 | 03:14 | Mk 51 | 640 | 20 | ± 140 | 445 | ± 140 | |||||
| 2015-03-05 | 01:37 | 710 | − 600 | ± 310 | 590 | ± 285 | ||||||
| 2015-03-05 | 03:01 | 620 | − 795 | ± 340 | 780 | ± 280 | ||||||
| 2015-04-01 | 00:51 | 630 | 190 | ± 140 | − 65 | ± 135 | ||||||
| 2015-03-05 | 01:37 | 05:38:38.9 | −69:08:15 | VFTS 458 | 12.6 | BN6Iap | 995 | 165 | ± 285 | − 180 | ± 260 | |
| 2015-03-05 | 03:01 | HTR 13 | 895 | − 350 | ± 360 | 645 | ± 360 | |||||
| 2015-03-05 | 01:37 | 05:38:41.2 | − 69:02:58 | VFTS 500 | 14.2 | O6.5IV((fc))+O6.5V((fc)) | 590 | 790 | ± 650 | 1390 | ± 575 | |
| 2015-03-05 | 03:01 | LMC 171 520 | 515 | 970 | ± 655 | − 1880 | ± 640 | |||||
| 2015-02-19 | 03:38 | 05:38:41.5 | − 69:05:20 | VFTS 506 | 13.1 | ON2V((n))((f*)) | 750 | − 50 | ± 720 | 825 | ± 690 | |
| 2015-02-25 | 03:14 | NGC 2070 Mk 25 | 790 | 340 | ± 705 | − 915 | ± 695 | |||||
| 2015-04-01 | 00:51 | 795 | − 450 | ± 670 | 225 | ± 620 | ||||||
| 2015-03-05 | 01:37 | 05:38:41.6 | − 69:05:13 | VFTS 507 | 12.5 | WC4+WN6+O | 2220 | 125 | ± 165 | − 260 | ± 190 | 1,2 |
| 2015-03-05 | 03:01 | R140a | 2245 | 30 | ± 160 | − 85 | ± 155 | |||||
| 2015-03-05 | 01:37 | 05:38:41.6 | − 69:05:14 | VFTS 509 | 12.8 | WN6+O | 1120 | − 60 | ± 210 | 70 | ± 180 | 1,2 |
| 2015-03-05 | 03:01 | R140b | 880 | 20 | ± 300 | − 430 | ± 270 | |||||
| 2015-02-19 | 03:38 | 05:38:41.9 | − 69:06:13 | Mk 37Wa | 14.9 | O4If+ | 845 | 285 | ± 735 | − 905 | ± 685 | 2 |
| 2015-02-25 | 03:14 | VFTS 1021 | 860 | − 1385 | ± 640 | 1320 | ± 580 | |||||
| 2015-04-01 | 00:51 | 910 | − 730 | ± 545 | 760 | ± 505 | ||||||
| 2015-03-05 | 01:37 | 05:38:42.1 | − 69:05:55 | Mk 42 | 11.0 | O2If* | 1175 | − 645 | ± 430 | 195 | ± 360 | |
| 2015-03-05 | 03:01 | BAT99 105 | 1075 | − 220 | ± 465 | − 135 | ± 395 | |||||
| 2015-02-19 | 03:38 | 05:38:42.2 | − 69:08:32 | VFTS 526 | 15.2 | O8.5I((n))fp | 350 | − 1195 | ± 425 | − 530 | ± 425 | |
| 2015-02-25 | 03:14 | [P93] 925 | 350 | − 1055 | ± 470 | − 1155 | ± 480 | |||||
| 2015-04-01 | 00:51 | 340 | − 330 | ± 505 | − 85 | ± 425 | ||||||
| 2015-02-19 | 03:38 | 05:38:42.7 | − 69:06:04 | R136c | WN5h | 1440 | 1065 | ± 1290 | − 1030 | ± 1120 | 2 | |
| 2015-02-25 | 03:14 | VFTS 1025 | 1200 | 1230 | ± 1145 | − 100 | ± 1110 | |||||
| 2015-04-01 | 00:51 | 1275 | 2745 | ± 1300 | − 1480 | ± 1300 | ||||||
| 2015-02-19 | 03:38 | 05:38:45.4 | − 69:02:51 | VFTS 586 | 14.5 | O4V((n))((fc))z | 370 | 1485 | ± 1085 | 1645 | ± 1020 | |
| 2015-02-25 | 03:14 | 365 | − 820 | ± 690 | − 965 | ± 775 | ||||||
| 2015-04-01 | 00:51 | 375 | 1205 | ± 845 | 1175 | ± 870 | ||||||
| 2015-03-05 | 01:37 | 05:38:45.6 | − 68:07:35 | VFTS 589 | 15.8 | B0.5V(SB2?) | 270 | 1585 | ± 1205 | 255 | ± 1110 | |
| 2015-03-05 | 03:01 | [P93] 1247 | 210 | 745 | ± 1785 | 2185 | ± 1775 | |||||
| 2015-02-19 | 03:38 | 05:38:48.1 | − 69:04:42 | VFTS 621 | 15.4 | O2V((f*))z | 415 | 70 | ± 285 | − 35 | ± 195 | 1 |
| 2015-02-25 | 03:14 | Walborn 2 | 465 | − 405 | ± 330 | − 420 | ± 365 | |||||
| 2015-04-01 | 00:51 | 525 | − 100 | ± 700 | 100 | ± 515 | ||||||
| 2015-02-19 | 03:38 | 05:38:51.6 | − 69:08:07 | CPD-69 463 | 12.0 | F7Ia | 1535 | − 170 | ± 185 | − 55 | ± 170 | |
| 2015-02-25 | 03:14 | R143 | 1570 | 125 | ± 155 | 180 | ± 160 | |||||
| 2015-04-01 | 00:51 | 1540 | − 265 | ± 180 | − 10 | ± 185 | ||||||
| 2015-03-05 | 01:37 | 05:38:55.5 | − 69:04:27 | VFTS 682 | 16.1 | WN5h | 230 | − 30 | ± 650 | 145 | ± 665 | 1 |
| 2015-03-05 | 03:01 | LMCe 1415 | 200 | 185 | ± 755 | − 160 | ± 770 | 1 | ||||
Notes. Columns as in Table A.1, except that exposure time is not reported as it was identical (3296 s) for all observations. Column 5 gives two designations of the same target. Column 11 refers to the comments at the end of the Table. VMS names are typed with boldface fonts. (1) Magnetic field was estimated from emission lines. (2) Spectrum blended.
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