| 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 |
| 01521-1215 | UC 638 | 1999 | 2 | 254 | 17.2 | 13.90 | 14.40 | V | 015203.42-121500.3 | |||
| 01521-1215 | UC 638 | 2000 | 2 | 254 | 17.2 | 13.90 | 14.40 | V | 015203.42-121500.3 | |||
| 01521-1215 | UC 638 | 2010 | 3 | 254 | 17.1 | 13.90 | 14.40 | V R | 015203.42-121500.3 | |||
| 01521-1215 | UC 638 | 2015 | 4 | 254 | 17.2 | 13.90 | 14.40 | V R | 015203.42-121500.3 | |||
| 01521-1215 | UC 638 | 2016 | 7 | 254 | 17.2 | 13.90 | 14.40 | V R | 015203.42-121500.3 |