| discov_num | notes | refcode |
| DA 4 | AB + TOK 430Aa,Ab: This is HIP 26237, HD 37018, HR 1892, 42 Ori, a | |
| young star in Orion which has not been observed at high angular | ||
| resolution so far, according to INT4 (Hartkopf et al. 2001). We | Hrt2001d | |
| resolved the known binary DA 4AB and discovered the spectacular | ||
| subsystem Aa,Ab at 0".16. | Tok2015c |
| refcode | metd | author | reference |
| Hrt2001d | - | Hartkopf, W.I., McAlister, H.A., & Mason, B.D. | 2001AJ....122.3480H |
| Hrt2001d | AJ 122, 3480, 2001 | ||
| Hrt2001d | (description of Interferometric Catalog for USNO CD-ROM; no data) | ||
| 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 | DA | Dawes, W.R. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 05354-0450 | DA 4 | AB | 2015 | 28 | 204 | 1.2 | 4.61 | 7.50 | B1V | N D | 053523.16-045018.1 |
| 05354-0450 | DA 4 | AB | 2016 | 32 | 203 | 1.2 | 4.61 | 7.50 | B1V | N | 053523.16-045018.1 |
| 05354-0450 | DA 4 | AB | 2018 | 35 | 202 | 1.2 | 4.61 | 7.50 | B1V | N | 053523.16-045018.1 |
| 05354-0450 | DA 4 | AB | 2020 | 35 | 202 | 1.2 | 4.61 | 7.50 | B1V | N | 053523.16-045018.1 |
| 05354-0450 | DA 4 | AB | 2021 | 36 | 202 | 1.2 | 4.61 | 7.50 | B1V | N | 053523.16-045018.1 |