| discov_num | notes | refcode |
| MET 4 | Metchev & Hillenbrand say the C component is probably optical, based | |
| on proximity. | Met2004b |
| refcode | metd | author | reference |
| Met2004b | Ao - | Metchev, S.A. & Hillenbrand, L.A. | 2004ASPC..324..238M |
| Met2004b | ASP Conf. 324, 238, 2004 | ||
| Met2004b | (Exact dates not given. Default date = decade of publication added. Theta | ||
| Met2004b | estimated from their Figure 2.) |
| idgroup | discov | author |
| 1 | KOH | Koehler, R. & Leinert, Ch. |
| 11 | KOH | Koehler, R., Petr-Gotzens, M.G., McCaughrean, M.J., Bouvier, J., Duchene, G., |
| 11 | KOH | Quirrenbach, A., & Zinnecker, H. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 04570+1517 | MET 4 | AC | 2002 | 1 | 237 | 10.1 | 8.40 | 15.20 | N DK | 045700.64+151753.1 | |
| 04570+1517 | MET 4 | AC | 2004 | 0 | 10.4 | 8.40 | 15.20 | N DK | 045700.64+151753.1 | ||
| 04570+1517 | MET 4 | AC | 2015 | 3 | 238 | 10.0 | 8.50 | 15.70 | G3V | N K | 045700.64+151753.1 |