| discov_num | notes | refcode |
| STF 115 | First measured by F.W. Struve in 1836 at an angular separation of | Hrt1989 |
| 0".68, this system had opened to 1".2 by 1910, then steadily closed | ||
| to 0".35 at the time of the first speckle measurement in 1978. | ||
| The pair reached an apparent minimum separation of 0".01 in the | ||
| spring of 1984. | ||
| 1983.7107 This autocorrelogram was remeasured; the new results are | ||
| listed in the catalog. | ||
| AB: Malkov et al. (2012) derive dynamical, photometric, and | ||
| spectroscopic masses 2.36 +/- 0.67, 2.80, and 1.20 Msun, respectively. | Mlk2012 |
| refcode | metd | author | reference |
| Hrt1989 | orb - | Hartkopf, W.I., McAlister, H.A., & Franz, O.G. | 1989AJ.....98.2275B |
| Hrt1989 | AJ 98, 1014, 1989 | ||
| Mlk2012 | not - | Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. | 2012A&A...546A..69M |
| Mlk2012 | A&A 546, A69, 2012 |
| discov | author |
| HRT | Hartkopf, W.I. & McAlister, H.A. |
| HRT | Hartkopf, W.I., McAlister, H.A., Mason, B.D., ten Brummelaar, T.A., Roberts, J.C., |
| HRT | Jr., Turner, N.H., & Wilson, J.W. |
| HRT | Hartkopf, W.I., W.I., Mason, B.D., Gies, D.R., ten Brummelaar, T., |
| HRT | McAlister, H.A., Moffat, A.F.J., Shara, M.M., & Wallace, D.J. |
| HRT | Mason, B.D., Martin, C., Hartkopf, W.I., Barry, D.J., Germain, M.E., |
| HRT | Douglass, G.G., Worley, C.E., ten Brummelaar, T.A., et al. |
| HRT | Hartkopf, W.I., Mason, B.D., McAlister, H.A., Roberts, L.C., Jr., Turner, N.H., |
| HRT | ten Brummelaar, T.A., Prieto, C.M., Ling, J.F., & Franz, O.G. |
| HRT | Mason, B.D., Henry, T.J., Soderblom. D.R., Hartkopf, W.I., Holdenreid, E.R., |
| HRT | Rafferty, T.J., & Urban, S.E. |
| TOK | Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N., |
| TOK | Martinez, M., & Mondaca, E. |
| TOK | Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M., |
| TOK | Tokovinin, A. & Briceno, C. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | dm_number | notes | coord_arcsec_2000 |
| 01234+5809 | STF 115 | AB,D | 1999 | 9 | 186 | 240.8 | 6.40 | 10.99 | N D | 012321.27+580835.6 | ||
| 01234+5809 | STF 115 | AB,D | 2003 | 10 | 186 | 240.1 | 6.40 | 10.99 | F5V | N D | 012321.27+580835.6 | |
| 01234+5809 | STF 115 | AB,D | 2016 | 11 | 187 | 239.7 | 6.40 | 10.99 | F5V | NU | 012321.27+580835.6 |