| Detail | Value | Reference |
|---|---|---|
| WR | 1 | |
| Reference | VII | |
| HD | HD 4004 | |
| Alias1 | HIP 3415 | |
| Alias2 | ||
| Alias3 | ||
| Right Ascension J2000 (h:m:s) | 00 43 28.39 | |
| Declination J2000 (d:m:s) | +64 45 35.4 | |
| Galactic Longitude (deg) | 122.0825 | |
| Galactic Latitude (deg) | 1.9012 | |
| Spectral Type | WN4b | SSM96 |
| Binary Status | SB1? | |
| umag | 11.2 | Ma84 |
| bmag | 11.02 | Ma84 |
| vmag | 10.51 | Ma84 |
| rmag | 10.15 | Ma84 |
| Umag | 10.36 | Py66 |
| Bmag | 10.74 | HF00 |
| Vmag | 10.1 | HF00 |
| Gmag | 9.79 | DR2 |
| Jmag | 8.206 | CS03 |
| Hmag | 7.857 | CS03 |
| Kmag | 7.48 | CS03 |
| Cluster | ||
| Association | (Cas OB7) | |
| Star Forming Region | ||
| Distance | 3.015 | CRB23 (DR3) |