| 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 |
| 05557+7755 | HDS 798 | 1991 | 1 | 56 | 0.7 | 8.50 | 12.07 | G5 | 055539.15+775527.0 |