| Detail | Value | Reference |
|---|---|---|
| WR | 77d | |
| Reference | VIIA | |
| HD | ||
| Alias1 | ||
| Alias2 | NC-P | |
| Alias3 | Wd1-57c | |
| Right Ascension J2000 (h:m:s) | 16 47 01.59 | |
| Declination J2000 (d:m:s) | -45 51 45.3 | |
| Galactic Longitude (deg) | 339.5363 | |
| Galactic Latitude (deg) | -0.4061 | |
| Spectral Type | WN7o | CH06 |
| Binary Status | ||
| umag | ||
| bmag | ||
| vmag | ||
| rmag | ||
| Umag | ||
| Bmag | ||
| Vmag | ||
| Gmag | 16.23 | DR2 |
| Jmag | 11.06 | CH06 |
| Hmag | 9.83 | CH06 |
| Kmag | 9.26 | CH06 |
| Cluster | Westerlund 1 | |
| Association | ||
| Star Forming Region | ||
| Distance | 3.715 | CRB23 |