| discov_num | notes | refcode |
| KAR 1 | alp Ori = 58 Ori = Betelgeuse. Irregular variable, spectrum | |
| M1-2Ia-Iab. Two close companions have been reported, detected by | ||
| speckle interferometry. | ||
| Mk III Uniform-disk diameter 49.401 +/- 0.237 mas (800 nm). | MkT1991 | |
| H 6 39 | H VI 39. |
| refcode | metd | author | reference |
| MkT1991 | not j | Mozurkewich, D., Johnston, K.J., Simon, R.S., Bowers, P.F., Gaume, R., Hutter, | 1991AJ....101.2207M |
| MkT1991 | D.J., Colavita, M.M., Shao, M. & Pan, X.P. | . | |
| MkT1991 | AJ 101, 2207, 1991 | . |
| idgroup | discov | author |
| 1 | KAR | Karovska, M., Nisenson, P., & Noyes, R. |
| 8 | SLE | Soulie, G. |
| 27 | SMR | Schlimmer, J. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 05552+0724 | H 6 39 | Aa,Ab | 1983 | 3 | 273 | 0.1 | 0.90 | N | 055510.29+072425.3 |