# Delta2 Orionis

> spectroscopic binary star system in the constellation Orion

**Wikidata**: [Q12068904](https://www.wikidata.org/wiki/Q12068904)  
**Source**: https://4ort.xyz/entity/delta2-orionis


## References

1. SB9: The ninth catalogue of spectroscopic binary orbits
2. VizieR
3. Spectral types in the Ori OB1 association
4. The Updated Multiple Star Catalog
5. SIMBAD
6. Catalog of Galactic OB Stars
7. The Tycho double star catalogue
8. Gaia Data Release 2
9. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
10. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
11. Rotational Velocities of B Stars