| discov_num | notes | refcode |
| OSO 140 | G025-017. Not a common proper motion pair, based on color | Oso2004 |
| refcode | metd | author | reference |
| Oso2004 | C j | Zapatero Osorio, M.R. & Martin, E.L. | 2004A&A...419..167Z |
| Oso2004 | +Pa | A&A 419, 167, 2004 |
| idgroup | discov | author |
| 1 | OSO | Zapatero Osorio, M.R. & Martin, E.L. |
| 7 | OSO | Zapatero Osorio, M.R., Martin, E.L., Lane, B.F., Pavlenko, Ya., Bouy, H., |
| 7 | OSO | Baraffe, I., & Basri, G. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 21059+0803 | OSO 140 | 1994 | 2 | 273 | 18.7 | 12.75 | 19.30 | N D | 210554.50+080304.1 |