| discov_num | notes | refcode |
| JNN 59 | There is a companion to 2MASS J07505369+4428181 which has a color and | |
| brightness that is consistent with what should be expected if it was | ||
| physcially bound. Common proper motion has not yet been tested for the | ||
| system. | 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 |
| 07509+4428 | JNN 59 | 2007 | 1 | 142 | 2.0 | 12.50 | 13.50 | M1.5 M2.5 | 075053.71+442817.5 | ||
| 07509+4428 | JNN 59 | 2012 | 2 | 143 | 2.1 | 12.50 | 13.50 | M1.5 M2.5 | NV | 075053.71+442817.5 | |
| 07509+4428 | JNN 59 | 2015 | 3 | 143 | 2.1 | 12.50 | 13.50 | M1.5+M2.5 | NU V | 075053.71+442817.5 | |
| 07509+4428 | JNN 59 | 2016 | 5 | 144 | 2.0 | 12.50 | 13.50 | M1.5+M2.5 | NU V | 075053.71+442817.5 |