| discov | author |
| BKO | Ladanyi, T. & Berko, E. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | dm_number | notes | coord_arcsec_2000 |
| 22403+3312 | CHE 340 | AB | 2008 | 4 | 256 | 27.5 | 10.61 | 13.00 | D | 224021.64+331243.5 | ||
| 22403+3312 | CHE 340 | AB | 2015 | 7 | 256 | 27.4 | 10.61 | 13.87 | 224021.64+331243.5 |