| Detail | Value | Reference |
|---|---|---|
| WR | 91 | |
| Reference | VII | |
| HD | ||
| Alias1 | ||
| Alias2 | StSa 1 | |
| Alias3 | ||
| Right Ascension J2000 (h:m:s) | 17 20 22.02 | |
| Declination J2000 (d:m:s) | -38 56 48.4 | |
| Galactic Longitude (deg) | 348.7604 | |
| Galactic Latitude (deg) | -1.0751 | |
| Spectral Type | WN7b | SSM96 |
| Binary Status | ||
| umag | ||
| bmag | 17.26 | HH88 |
| vmag | 15.76 | TM88 |
| rmag | 14.3 | TM88 |
| Umag | ||
| Bmag | ||
| Vmag | ||
| Gmag | 13.24 | DR2 |
| Jmag | 9.532 | CS03 |
| Hmag | 8.765 | CS03 |
| Kmag | 8.199 | CS03 |
| Cluster | ||
| Association | ||
| Star Forming Region | RCW 121 | |
| Distance | 3.647 | CRB23 |