# Lambda Orionis A

> star in the constellation Orion

**Wikidata**: [Q66530986](https://www.wikidata.org/wiki/Q66530986)  
**Source**: https://4ort.xyz/entity/lambda-orionis-a


## References

1. SIMBAD
2. The Galactic O-Star Spectroscopic Survey. I. Classification system and bright northern stars in the blue-violet at R ~ 2500
3. Washington Double Star Catalog
4. Catalog of Galactic OB Stars
5. Catalogue of Stellar Photometry in Johnson's 11-color system
6. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
7. The IACOB project. III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars
8. The Tycho-2 catalogue of the 2.5 million brightest stars
9. Spectroscopic analysis of southern B and Be stars