| discov_num | notes | refcode |
| JNN 121 | The AstraLux images reveal 3 components in the 2MASS J19105480+3017476 | |
| system. Due to their very compact configuration, the triple system is | ||
| very likely physically bound. Only one epoch of imaging exists so far. | 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 |
| 19109+3018 | JNN 121 | AB | 2008 | 1 | 123 | 0.3 | 12.80 | 14.80 | M1.5 M4 | 191054.78+301747.2 | |
| 19109+3018 | JNN 121 | AB | 2011 | 2 | 129 | 0.3 | 12.80 | 14.80 | M1.5 M4 | NV | 191054.78+301747.2 |