| discov_num | notes | refcode |
| JNN 139 | A very close (~0.15") companion is detected, which is most likely | |
| physically bound, although this has yet to be confirmed with common | ||
| proper motion. | Jnn2012 |
| refcode | metd | author | reference |
| Jnn2012 | Cl j | Janson, M., Hormuth, F., Bergfors, C., Brandner, W., Hippler, S., Daemgen, S., | 2012ApJ...754...44J |
| Jnn2012 | +E2 | Kudryavtseva, N., Schmalzl, E., Schnupp, C., & Henning, T. | |
| Jnn2012 | ApJ 754, 44, 2012 (some recalibrated measures published in Jnn2014b) | 2014ApJS..214...17J |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 23263+2752 | JNN 139 | 2008 | 1 | 14 | 0.2 | 12.70 | 13.20 | M3 M3.5 | 232617.07+275203.4 | ||
| 23263+2752 | JNN 139 | 2011 | 2 | 329 | 0.1 | 12.70 | 13.20 | M3 M3.5 | NV | 232617.07+275203.4 | |
| 23263+2752 | JNN 139 | 2016 | 5 | 73 | 0.1 | 12.70 | 13.20 | M3+M3.5 | NV | 232617.07+275203.4 |