| discov_num | notes | refcode |
| ENG 84 | 23 Cep = eps Cep. A is a Delta Scuti-type variable. | |
| B is BD+56@2744. | ||
| AB: Optical pair, based on study of relative motion of the components | ||
| using the method of apparent motion parameters. | Kiy2008 | |
| MWT 1 | Aa,Ab: Candidate close companion to eps Cep is estimated to be of | |
| spectral type K8-M2, mass ~0.5 Msun, radius ~0.7 Rsun, temperature 3 | ||
| 650K, age ~600 Myr. Distance from the primary >= 8.6au. | Mwt2011 |
| refcode | metd | author | reference |
| Kiy2008 | - | Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. | 2008SvAL...32..405K |
| Kiy2008 | SvAL 34, 405, 2008 | ||
| Mwt2011 | Aw j | Mawet, D., Mennesson, B., Serabyn, E., Stapelfeldt, K., & Absil, O. | 2011ApJ...738L..12M |
| Mwt2011 | ApJL 738, 12, 2011 |
| idgroup | discov | author |
| 1 | ARN | Arnold, D. |
| 100 | ENG | changed from EN to ENG and that for Engelhardt from ENG to ENH. This has led to |
| 131 | STG | Struve, G. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 22150+5703 | ENG 84 | AB | 2002 | 14 | 1 | 119.5 | 4.21 | 9.18 | F0IV | NLD | 221501.69+570236.4 |
| 22150+5703 | ENG 84 | AB | 2011 | 15 | 356 | 118.1 | 4.21 | 9.18 | F0IV | NLD | 221501.69+570236.4 |