| discov_num | notes | refcode |
| MCT 8 | GJ 3898. Estimated age 300-1000 Myr; masses 0.30 +/- 0.06 and 0.15 +/- | |
| 0.03 Msun; a ~9.9 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 |
| idgroup | discov | author |
| 1 | MCT | McCarthy, C., Zuckerman, B., & Becklin, E.E. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 15126+4544 | MCT 8 | 1997 | 1 | 194 | 0.8 | 13.35 | 14.90 | M4 | D | 151238.27+454345.1 | |
| 15126+4544 | MCT 8 | 2012 | 2 | 217 | 0.5 | 9.00 | 10.60 | M4 | K | 151238.27+454345.1 | |
| 15126+4544 | MCT 8 | 2015 | 4 | 220 | 0.5 | 9.00 | 10.60 | M4 | NV K | 151238.07+454347.5 | |
| 15126+4544 | MCT 8 | 2016 | 5 | 220 | 0.5 | 13.40 | 14.40 | M4.0V | NV R | 151238.07+454347.5 |