| discov_num | notes | refcode |
| BU 1076 | 55 Leo. If T is reasonably accurate, the RV run of the primary in | |
| 1919-30 would fit the visual motion with an ascending node in the third | ||
| quadrant. |
| refcode | metd | author | reference |
| Tok2015c | orb+j | Tokovinin, A., Mason, B.D., Hartkopf, W.I., Mendez, R.A., & Horch, E.P. | 2015AJ....150...50T |
| Tok2015c | +St | AJ 150, 50, 2015 (some measures corrected in Tok2017b) | 2017AJ....154..110T |
| idgroup | discov | author |
| 1 | BU | Burnham, S.W. (BU 1 - 81) |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 10557+0044 | BU 1076 | 2006 | 53 | 56 | 1.2 | 5.98 | 9.02 | F4V | NOD | 105542.40+004413.0 | |
| 10557+0044 | BU 1076 | 2009 | 55 | 54 | 1.2 | 5.98 | 9.02 | F4V | NOD | 105542.40+004413.0 | |
| 10557+0044 | BU 1076 | 2010 | 56 | 55 | 1.1 | 5.98 | 9.02 | F4V | NOD | 105542.40+004413.0 | |
| 10557+0044 | BU 1076 | 2013 | 57 | 53 | 1.1 | 5.98 | 9.02 | F4V | NOD | 105542.40+004413.0 | |
| 10557+0044 | BU 1076 | 2014 | 59 | 53 | 1.1 | 5.98 | 9.02 | F4V | NO | 105542.40+004413.0 | |
| 10557+0044 | BU 1076 | 2015 | 60 | 52 | 1.1 | 5.98 | 9.02 | F4V | NO | 105542.40+004413.0 | |
| 10557+0044 | BU 1076 | 2019 | 61 | 50 | 1.1 | 5.98 | 9.02 | F4V | NO | 105542.40+004413.0 | |
| 10557+0044 | BU 1076 | 2021 | 62 | 48 | 1.1 | 5.98 | 9.02 | F4V | NO | 105542.40+004413.0 |