Table 1
Overview of the known WO stars.
| ID | RA | Dec | Spectral typea | Z | SIMBAD IDb | Other IDs |
| (J2000) | (J2000) | (Z⊙) | ||||
|
|
||||||
| WR102 | 17:45:47.56 | −26:10:26.9 | WO2 | 1 | V* V3893 Sgr | [S71d] 4 (Sand 4) |
| WR142 | 20:21:44.35 | +37:22:30.6 | WO2 | 1 | WR 142 | [S71d] 5 (Sand 5) |
| WR93b | 17:32:03.31 | −35:04:32.4 | WO3 | 1 | WR 93b | |
| BAT99-123 | 05:39:34.31 | −68:44:09.1 | WO3 | 0.5 | Brey 93 | [S71d] 2 (Sand 2) |
| LH41-1042 | 05:18:11.01 | −69:13:11.3 | WO4 | 0.5 | [L72] LH 41-1042 | |
| LMC195-1c | 05:18:10.33 | −69:13:02.5 | WO2 | 0.5 | – | |
| DR1 | 01:05:01.61 | +02:04:20.6 | WO3 | 0.15 | NAME DR 1 in IC 1613 | [BUG2007] B 17 |
|
|
||||||
| WR30a | 10:51:38.93 | −60:56:35.2 | WO4 + O5((f)) | 1 | V* V574 Car | [MS70] 4 (MS4) |
| Sk188 | 01:21:04.13 | −73:25:03.8 | WO4 + O4 | 0.2 | 2MASS J01310412-7325038 | [S71d] 1 (Sand 1) |
Notes. The upper part of the table shows the (apparently) single WO stars, the bottom part the binaries.
See Sect. 2.1 for the spectral classification of the single stars. Binary classifications are from Massey et al. (2000) and Moffat & Seggewiss (1984).
Not yet listed in Simbad. Designation from Massey et al. (2014).
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