| discov_num | notes | refcode |
| MCA 51 | 17 Sgr. |
| refcode | metd | author | reference |
| Tok2019c | St j | Tokovinin, A., Mason, B.D., Mendez, R.A., Horch, E.P. & Briceno, C. | 2019AJ....158...48T |
| Tok2019c | +orb | AJ 158, 48, 2019 |
| idgroup | discov | author |
| 1 | MCA | McAlister, H.A. |
| 46 | MCA | McAlister, H.A., Hartkopf, W.I., Bagnuolo, W.G., Sowell, J.R., Franz, O.G., & |
| 46 | MCA | Evans, D.S. |
| 61 | MCA | Fu, H.-H., Hartkopf, W.I., Mason, B.D., McAlister, H.A., Dombrowski, E.G., & |
| 61 | MCA | Franz, O.G. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 18166-2033 | MCA 51 | 1992 | 14 | 135 | 0.2 | 7.24 | 8.89 | G5IV+A5 | N | 181635.37-203240.1 | |
| 18166-2033 | MCA 51 | 2018 | 16 | 129 | 0.0 | 7.24 | 8.89 | G5IV+A5 | N | 181635.37-203240.1 | |
| 18166-2033 | MCA 51 | 2019 | 17 | 315 | 0.1 | 7.24 | 8.89 | G5IV+A5 | NO | 181635.37-203240.1 | |
| 18166-2033 | MCA 51 | 2020 | 18 | 315 | 0.1 | 7.24 | 8.89 | G5IV+A5 | NO | 181635.37-203240.1 | |
| 18166-2033 | MCA 51 | 2021 | 19 | 321 | 0.1 | 7.24 | 8.89 | G5IV+A5 | NO | 181635.37-203240.1 |