| discov_num | notes | refcode |
| CHR 158 | Aa,Ab: 39 Tau. Variable? | |
| Aa,Ab: Observed 7 times 1985-1998, then resolved at 0.22" in 1988 | McA1993 | |
| (note: "uncertain"), unresolved in 2002 (3.6m AO), and finally | Rbr2005 | |
| resolved at 0".41 in late 2003 | Hrt2009 |
| refcode | metd | author | reference |
| Hrt2009 | Su j | Hartkopf, W.I. & Mason, B.D. | 2009AJ....138..813H |
| Hrt2009 | +orb | AJ 138, 813, 2009 | |
| McA1993 | Sc j | McAlister, H.A., Mason, B.D., Hartkopf, W.I., & Shara, M.M. | 1993AJ....106.1639M |
| McA1993 | +orb | AJ 106, 1639, 1993 | |
| Rbr2005 | A j | Roberts, L.C., Jr., Turner, N.H., Bradford, L.W., ten Brummelaar, T., Oppenheimer, | 2005AJ....130.2262R |
| Rbr2005 | B., Kuhn, J., Whitman, K., Perrin, M., et al. | ||
| Rbr2005 | AJ 130, 2262, 2005 |
| idgroup | discov | author |
| 1 | CHR | Center for High Ang. Res. Astronomy (speckle interferometry systems) |
| 3 | STT | Struve, O. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 04053+2201 | STT 559 | BC | 1997 | 8 | 124 | 58.2 | 8.09 | 10.70 | D | 040519.82+220327.4 | |
| 04053+2201 | STT 559 | BC | 2000 | 9 | 124 | 58.3 | 8.09 | 11.50 | NUD | 040519.82+220327.4 | |
| 04053+2201 | STT 559 | BC | 2015 | 10 | 123 | 57.8 | 8.09 | 11.50 | K0 | NU | 040519.82+220327.4 |