| WDS ID | 15443+0626 |
| Common catalogue ID | HJ 1277 |
| Components | AB |
| Other Designation | 24 alf Ser (Unukalhai) |
| Position angle | 334 |
| Separation | 57.6 |
| Mag First | 2.65 |
| Mag Second | 11.8 |
| Delta mag | 9.15 |
| Spectral Type | K2III |
| Constellation | Serpens |
| RA | 15:44:16.0 |
| Dec | +06:25:31.9 |