| discov_num | notes | refcode |
| STF 752 | iot Ori = 44 Ori = Hatysa. A is a spectroscopic binary, P = 29.1d. | |
| The classification is from Stickland et al. (1987). | Stc1987 | |
| CHR 250 | The A component was resolved (CHR 250 Aa,Ab); the B component was also | |
| observed but appeared to be single. | Msn1998a | |
| Aa1 is spectral type O8.5III, Aa2 is B0.8III and Ab is B2IV. | Opl2023 | |
| Classification of the B component is from Hoffleit & Warren (1991). | Hof1991 | |
| STF 752 | AB: H 3 12. | MEv2010 |
| refcode | metd | author | reference |
| Hof1991 | - | Hoffleit, D. & Jaschek, C. | 1991bsc..book.....H |
| Hof1991 | The Bright Star Catalogue, Fifth Revised Edition (preliminary version), 1991 | ||
| MEv2010 | - | MacEvoy, B. | ................... |
| MEv2010 | private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) | ||
| Msn1998a | Sc j | Mason, B.D., Gies, D.R., Hartkopf, W.I., Bagnuolo, Jr., W.G., | 1998AJ....115..821M |
| Msn1998a | ten Brummelaar, T.A., & McAlister, H.A. | ||
| Msn1998a | AJ 115, 821, 1998 | ||
| Opl2023 | - | Oplistilova, A., Mayer, P., Harmanec, P. et al. | 2023A&A...672A..31O |
| Opl2023 | A&A 672, A31, 2023 | ||
| Stc1987 | not - | Stickland, D.J., Pike, C.D., Lloyd, C., & Howarth, I.D. | 1987A&A...184..185S |
| Stc1987 | A&A 184, 185, 1987 |
| idgroup | discov | author |
| 1 | CHR | Center for High Ang. Res. Astronomy (speckle interferometry systems) |
| 3 | STF | Struve, F.G.W. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 05354-0555 | STF 752 | AC | 2002 | 9 | 103 | 49.4 | 2.90 | 9.70 | N D | 053525.98-055435.6 |