| 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 |
| 04212+0428 | HDS 558 | 1991 | 1 | 198 | 0.7 | 9.09 | 12.11 | G5 | 042112.48+042755.6 |