| discov_num | notes | refcode |
| YLW 1 | IR sources in rho Oph cloud. A component = GY 143, | |
| B = GY 157 = VSSG 7, C = GY 171. | ||
| DCH 73 | BD: Originally 16269-2420 DCH 73, but primary found to be B component | |
| of 16269-2421 YLW 1AB. | ||
| DCH 75 | CE: Originally 16270-2422 DCH 75, but primary found to be C component | |
| of 16269-2421 YLW 1AC. |
| discov | author |
| DCH | Duchene, G., Bouvier, J. & Simon, T |
| DCH | Duchene, G., McCabe, C., Pinte, C., Stapelfeldt, K.R., Menard, F., Duvert, G., |
| DCH | Ghez, A.M., Maness, H.L., Bouy, H., Barrado y Navascues, D., Morales-Calderon, M., |
| DCH | Wolf, S., et al. |
| DCH | Duchene, G., Oon, J.T., De Rosa, R.J., Kantorski, P., Coy, B., Wang, J.J., Thomas, |
| YLW | Young, E., Lada, C., & Wilking, B. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | dm_number | notes | coord_arcsec_2000 |
| 16269-2421 | YLW 1 | AC | 1999 | 2 | 112 | 107.0 | 14.05 | 16.25 | N DB | 162651.12-242050.5 | ||
| 16269-2421 | YLW 1 | AC | 2010 | 5 | 112 | 107.1 | 10.21 | 11.46 | N K | 162651.12-242050.5 |