| refcode | metd | author | reference |
| HDS | Hipparcos Double Star (from additional DD list) | ................... |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 22228+8504 | HDS3171 | 1991 | 1 | 102 | 0.1 | 7.81 | 8.41 | K0 | X | 222248.00+850342.1 |