| 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 |
| 08409+4226 | HDS1251 | 1991 | 1 | 34 | 0.8 | 9.58 | 12.18 | K2 | 084054.00+422542.1 | ||
| 08409+4226 | HDS1251 | 2011 | 2 | 37 | 0.7 | 9.58 | 12.18 | K2 | 084054.00+422542.1 |