| discov_num | notes | refcode |
| RUC 18 | Multiple system including contact binary ER Ori. Pribulla & Rucinski | |
| (2006) estimate the mass of the contact pair at 2.510 Msun and the | Pbl2006 | |
| minimum mass of the wider component at 0.93 Msun. |
| refcode | metd | author | reference |
| Pbl2006 | A j | Pribulla, T. & Rucinski, S.M. | 2006AJ....131.2986P |
| Pbl2006 | AJ 131, 2986, 2006 |
| idgroup | discov | author |
| 1 | GOE | Goecking, K.-D., Duerbeck, H.W., Plewa, T., Kaluzny, J., Schertl, D., Weigelt, G., |
| 1 | GOE | & Flin, P. |
| 2 | RUC | Rucinski, S.M., Pribulla, T., & van Kerkwijk, M.H. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 05112-0833 | RUC 18 | AB | 1998 | 1 | 10 | 14.4 | 9.53 | G1V | NOD | 051114.50-083324.4 | |
| 05112-0833 | RUC 18 | AB | 1999 | 3 | 9 | 14.6 | 9.74 | 12.41 | G1V | NOD | 051114.50-083324.4 |
| 05112-0833 | RUC 18 | AB | 2010 | 4 | 8 | 14.3 | 9.74 | 12.41 | G1V | NO | 051114.50-083324.4 |
| 05112-0833 | RUC 18 | AB | 2015 | 4 | 8 | 15.0 | 9.74 | 12.41 | G1V | NO | 051114.50-083324.4 |