| idgroup | discov | author |
| 1 | UC | USNO CCD Astrographic Catalog (UCAC1, UCAC2, UCAC3, UCAC4) |
| 1 | UC | Zacharias, N., Finch, C.T., Girard, T.M., Henden, A., Bartlett, J.L., Monet, D.G., |
| 1 | UC | & Zacharias, M.I. (UCAC4 Catalog) |
| 13 | UC | Zacharias, N., Finch, C.T., Subasavage, J.P., Bredthauer, G., Crockett, C., |
| 13 | UC | DiVittorio, M., Ferguson, E., Harris, F., Harris, H.C., Hendon, A., Kilian, C., |
| 13 | UC | Munn, J., Rafferty, T., Rhodes, A., Schultheis, M., Tilleman, T., & Wieder, G. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 21503-1812 | UC 4579 | 1999 | 2 | 170 | 60.2 | 9.80 | 16.10 | V | 215015.14-181140.4 | ||
| 21503-1812 | UC 4579 | 2000 | 2 | 169 | 60.2 | 9.80 | 16.10 | V | 215015.14-181140.4 | ||
| 21503-1812 | UC 4579 | 2010 | 3 | 170 | 60.2 | 9.80 | 16.10 | G5/G6V | V | 215015.14-181140.4 | |
| 21503-1812 | UC 4579 | 2015 | 4 | 170 | 60.3 | 9.80 | 16.10 | G5/G6V | V | 215015.14-181140.4 | |
| 21503-1812 | UC 4579 | 2016 | 6 | 170 | 60.3 | 9.80 | 16.10 | G5/G6V | VW | 215015.14-181140.4 |