| discov | author |
| UC | USNO CCD Astrographic Catalog (UCAC1, UCAC2, UCAC3, UCAC4) |
| UC | Zacharias, N., Finch, C.T., Girard, T.M., Henden, A., Bartlett, J.L., Monet, D.G., |
| UC | & Zacharias, M.I. (UCAC4 Catalog) |
| UC | Zacharias, N., Finch, C.T., Subasavage, J.P., Bredthauer, G., Crockett, C., |
| UC | DiVittorio, M., Ferguson, E., Harris, F., Harris, H.C., Hendon, A., Kilian, C., |
| 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 | dm_number | notes | coord_arcsec_2000 |
| 02021+3031 | UC 21 | 1997 | 1 | 215 | 53.1 | 12.30 | 12.30 | V | 020206.27+303117.1 | |||
| 02021+3031 | UC 21 | 2001 | 2 | 216 | 53.0 | 12.30 | 12.30 | VD | 020206.27+303117.1 | |||
| 02021+3031 | UC 21 | 2010 | 3 | 215 | 53.0 | 12.28 | 12.34 | V | 020206.27+303117.1 | |||
| 02021+3031 | UC 21 | 2015 | 4 | 215 | 53.0 | 12.28 | 12.34 | V | 020206.27+303117.1 |