# Zeta Orionis A
**Wikidata**: [Q66477108](https://www.wikidata.org/wiki/Q66477108)  
**Source**: https://4ort.xyz/entity/zeta-orionis-a


## References

1. SIMBAD
2. The Galactic O-Star Spectroscopic Survey (GOSSS). II. Bright southern stars
3. Washington Double Star Catalog
4. Catalogue of Stellar Photometry in Johnson's 11-color system
5. The Tycho double star catalogue
6. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
7. The interstellar Ca II distance scale
8. The IACOB project. III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars