| discov | author |
| ES | Espin, T.E. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | dm_number | notes | coord_arcsec_2000 |
| 21072+4744 | ES 817 | AB | 1999 | 4 | 351 | 10.1 | 7.33 | 11.60 | A2V | +47 3297 | D | 210713.36+474403.5 |
| 21072+4744 | ES 817 | AB | 2015 | 5 | 350 | 10.0 | 7.33 | 11.60 | A2V | +47 3297 | 210713.36+474403.5 |