| WDS ID | 06227-1757 |
| Common catalogue ID | BUP 88 |
| Components | |
| Other Designation | 2 bet CMa (Mirzam) |
| Position angle | 340 |
| Separation | 186.6 |
| Mag First | 1.93 |
| Mag Second | 10.49 |
| Delta mag | 8.56 |
| Spectral Type | B1II-III |
| Constellation | Canis major |
| RA | 06:22:42.0 |
| Dec | -17:57:21.3 |