| Detail | Value | Reference |
|---|---|---|
| WR | 145a | |
| Reference | VII | |
| HD | ||
| Alias1 | ||
| Alias2 | Cyg X-3 | |
| Alias3 | ||
| Right Ascension J2000 (h:m:s) | 20 32 26.60 | |
| Declination J2000 (d:m:s) | +40 57 09.00 | |
| Galactic Longitude (deg) | 79.84 | |
| Galactic Latitude (deg) | 0.69 | |
| Spectral Type | WNE+cc | KC92,HS00 |
| Binary Status | SB1 | |
| umag | ||
| bmag | ||
| vmag | 23.9 | KG96 |
| rmag | ||
| Umag | ||
| Bmag | ||
| Vmag | ||
| Gmag | ||
| Jmag | 15.309 | CS03 |
| Hmag | 13.192 | CS03 |
| Kmag | 11.921 | CS03 |
| Cluster | ||
| Association | ||
| Star Forming Region | ||
| Distance |