| WDS ID | 00405+5632 |
| Common catalogue ID | BU 1349 |
| Components | AB |
| Other Designation | 18 alf Cas (Schedar) |
| Position angle | 281 |
| Separation | 24.0 |
| Mag First | 2.35 |
| Mag Second | 14.0 |
| Delta mag | 11.65 |
| Spectral Type | K0IIIa |
| Constellation | Cassiopeia |
| RA | 00:40:30.4 |
| Dec | +56:32:14.7 |