| Detail | Value | Reference |
|---|---|---|
| WR | 20b | |
| Reference | VII | |
| HD | ||
| Alias1 | ||
| Alias2 | SMSP 3 | |
| Alias3 | ||
| Right Ascension J2000 (h:m:s) | 10 24 18.39 | |
| Declination J2000 (d:m:s) | -57 48 29.7 | |
| Galactic Longitude (deg) | 284.3288 | |
| Galactic Latitude (deg) | -0.3517 | |
| Spectral Type | WN6ha | RSN11 |
| Binary Status | ||
| umag | ||
| bmag | 17.09 | SM91 |
| vmag | 15.4 | SM91 |
| rmag | ||
| Umag | ||
| Bmag | 15.1 | CS03 |
| Vmag | ||
| Gmag | 12.11 | dr2 |
| Jmag | 8.653 | CS03 |
| Hmag | 7.797 | CS03 |
| Kmag | 7.18 | CS03 |
| Cluster | Westerlund 2 | |
| Association | ||
| Star Forming Region | RCW49/RM10 SFC26? | |
| Distance | 4.637 | CRB23 |