| WDS ID | 00084+2905 |
| Common catalogue ID | H 5 32 |
| Components | AB |
| Other Designation | 21 alf And (Alpheratz) |
| Position angle | 285 |
| Separation | 90.8 |
| Mag First | 2.22 |
| Mag Second | 11.11 |
| Delta mag | 8.89 |
| Spectral Type | B8IVpMnHg |
| Constellation | Andromeda |
| RA | 00:08:23.2 |
| Dec | +29:05:27.0 |