| WDS ID | 18242-3423 |
| Common catalogue ID | SEE 351 |
| Components | AB |
| Other Designation | 20 eps Sgr (Kaus Australis) |
| Position angle | 313 |
| Separation | 38.6 |
| Mag First | 1.85 |
| Mag Second | 14.3 |
| Delta mag | 12.45 |
| Spectral Type | B9.5III |
| Constellation | Sagittarius |
| RA | 18:24:10.3 |
| Dec | -34:23:04.6 |