| idgroup | discov | author |
| 1 | BRT | Barton, S.G. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20431+4637 | BRT2273 | 2006 | 4 | 309 | 4.4 | 11.53 | 11.90 | D | 204310.04+463705.9 | ||
| 20431+4637 | BRT2273 | 2010 | 6 | 309 | 3.8 | 11.53 | 11.90 | 204310.04+463705.9 | |||
| 20431+4637 | BRT2273 | 2015 | 6 | 308 | 4.7 | 11.53 | 11.90 | 204310.04+463705.9 |