| WR | 77sd  |   |
| Reference | VIIA  |   |
| HD |   |   |
| Alias1 | DR3 5940199976670849152  |   |
| Alias2 | NC-X  |   |
| Alias3 | GDTB 2  |   |
| Right Ascension J2000 (h:m:s) | 16 47 14.14  |   |
| Declination J2000 (d:m:s) | -45 48 32.0  |   |
| Galactic Longitude (deg) | 339.6008  |   |
| Galactic Latitude (deg) | -0.3991  |   |
| Spectral Type | WN5o  | CH06  |
| Binary Status |   |   |
| umag |   |   |
| bmag |   |   |
| vmag |   |   |
| rmag |   |   |
| Umag |   |   |
| Bmag |   |   |
| Vmag |   |   |
| Gmag | 18.11  | DR2  |
| Jmag | 12.362  | CS03  |
| Hmag | 11.079  | CS03  |
| Kmag | 9.99  | GD06  |
| Cluster | Westerlund 1  |   |
| Association |   |   |
| Star Forming Region |   |   |
| Distance | 1.72   | RC20 (a flag)  |
| NebulaM/td> |   |