| WDS ID | 06230+2231 |
| Common catalogue ID | BU 1059 |
| Components | A,BC |
| Other Designation | 13 mu Gem (Tejat Posterior) |
| Position angle | 141 |
| Separation | 108.1 |
| Mag First | 3.06 |
| Mag Second | 11.29 |
| Delta mag | 8.23 |
| Spectral Type | M3II |
| Constellation | Gemini |
| RA | 06:22:57.6 |
| Dec | +22:30:49.7 |