| WDS ID | 20136+4644 |
| Common catalogue ID | STFA 50 |
| Components | AD |
| Other Designation | 30,31 omi 1,2 Cyg (DA) |
| Position angle | 323 |
| Separation | 335.2 |
| Mag First | 3.93 |
| Mag Second | 4.83 |
| Delta mag | 0.9 |
| Spectral Type | K2II |
| Constellation | Cygnus |
| RA | 20:13:37.9 |
| Dec | +46:44:28.8 |