| refcode | metd | author | reference |
| Izm2019 | orb u | Izmailov, I.S. | 2019AstL...45...30I |
| Izm2019 | Ast. Lett. 45, 30, 2019 | ||
| Izm2019 | |||
| Izm2019 |
| discov | author |
| BU | Burnham, S.W. (BU 1 - 81) |
| IZM | Izmailov, I.S., Khovricheva, M.L., Khovrichev, M. Yu., Kiyaeva, O.V., Khrutskaya, |
| IZM | E.V., Romanenko, L.G., Grosheva, E.A., Maslennikov, K.L. & Kalinichenko, O.A. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | dm_number | notes | coord_arcsec_2000 |
| 20423+5723 | BU 152 | 2005 | 63 | 83 | 1.1 | 7.21 | 8.80 | A4IV | +56 2474 | D | 204216.81+572307.4 | |
| 20423+5723 | BU 152 | 2007 | 65 | 82 | 1.2 | 7.21 | 8.80 | A4IV | +56 2474 | D | 204216.81+572307.4 | |
| 20423+5723 | BU 152 | 2009 | 66 | 82 | 1.2 | 7.21 | 8.80 | A4IV | +56 2474 | D | 204216.81+572307.4 | |
| 20423+5723 | BU 152 | 2011 | 68 | 83 | 1.1 | 7.21 | 8.80 | A4IV | +56 2474 | D | 204216.81+572307.4 | |
| 20423+5723 | BU 152 | 2014 | 61 | 82 | 1.2 | 7.21 | 8.80 | A4IV | +56 2474 | 204216.81+572307.4 | ||
| 20423+5723 | BU 152 | 2016 | 62 | 82 | 1.2 | 7.21 | 8.80 | A4IV | +56 2474 | 204216.81+572307.4 | ||
| 20423+5723 | BU 152 | 2021 | 64 | 81 | 1.2 | 7.21 | 8.80 | A4IV | +56 2474 | O | 204216.81+572307.4 | |
| 20423+5723 | BU 152 | 2023 | 65 | 81 | 1.2 | 7.21 | 8.80 | A4IV | +56 2474 | O | 204216.81+572307.4 |