| discov_num | notes | refcode |
| LBU 2 | Aa,Ab: A 1999 measure of 21426+1900 HO 165 by Mason et al. was | WSI2000b |
| erroneously listed under this pair. | ||
| STF2818 | Lewis measure erroneously listed as 21426+1900L 50AC, companion | L__1899a |
| to HO 165. |
| refcode | metd | author | reference |
| L__1899a | Ma j | Lewis, T. | 1899RGOO........... |
| L__1899a | Greenwich Observations, 1899 (data also in MNRAS 60, 494, 1900) | 1900MNRAS..60..494. | |
| WSI2000b | Su j | Mason, B.D., Hartkopf, W.I., Holdenried, E.R., Rafferty, T.J., Wycoff, G.L., | 2000AJ....120.1120M |
| WSI2000b | Hennessy, G.S., Hall, D.M., Urban, S.E., et al. | ||
| WSI2000b | AJ 120, 1120, 2000 |
| idgroup | discov | author |
| 1 | DAM | Damm, F. |
| 403 | FOX | Fox, P. |
| 414 | LBU | Le Beau, J. |
| 452 | STF | Struve, F.G.W. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 21420+1856 | LBU 2 | Aa,Ab | 1985 | 1 | 42 | 0.9 | 8.00 | 9.50 | G7III | N | 214159.91+185619.7 |
| 21420+1856 | LBU 2 | Aa,Ab | 2016 | 2 | 22 | 0.6 | 8.00 | 9.50 | G7III | N W | 214159.91+185619.7 |