| discov_num | notes | refcode |
| JNN 255 | AB: GJ 3224. Estimated age 300-1000 Myr; masses 0.25 +/- 0.06 and 0.14 | |
| +/- 0.01 Msun; a ~6.3 au. | Jnn2014 | |
| AC: Estimated age 300-1000 Myr; masses 0.48 +/- 0.25 and 0.45 +/- 0.24 | ||
| Msun; a ~48.1 au. | Jnn2014 |
| refcode | metd | author | reference |
| Jnn2014 | A - | Janson, M., Bergfors, C., Brandner, W., Kudryavtseva, N., Hormuth, F., | 2014ApJ...789..102J |
| Jnn2014 | +Cl | Hippler, S., & Henning, T. | |
| Jnn2014 | ApJ 789, 102, 2014 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 03257+0551 | JNN 255 | AB | 2012 | 1 | 69 | 0.3 | 14.81 | 16.00 | M4.5 | 032542.25+055151.9 | |
| 03257+0551 | JNN 255 | AB | 2018 | 3 | 137 | 0.2 | 14.81 | 16.00 | M4.5 | N | 032542.25+055151.9 |
| 03257+0551 | JNN 255 | AB | 2019 | 4 | 148 | 0.2 | 14.81 | 16.00 | M4.5 | N | 032542.25+055151.9 |
| 03257+0551 | JNN 255 | AB | 2020 | 5 | 162 | 0.2 | 14.81 | 16.00 | M4.5 | N | 032542.25+055151.9 |
| 03257+0551 | JNN 255 | AB | 2021 | 6 | 179 | 0.2 | 14.81 | 16.00 | M4.5 | N | 032542.25+055151.9 |