# 23 Orionis

> variable star in the constellation Orion

**Wikidata**: [Q4631574](https://www.wikidata.org/wiki/Q4631574)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/23_Orionis)  
**Source**: https://4ort.xyz/entity/23-orionis


## References

1. SIMBAD
2. Washington Double Star Catalog
3. VizieR
4. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
5. Freebase Data Dumps. 2013
6. Catalogue of Stellar Photometry in Johnson's 11-color system
7. Gaia Data Release 2
8. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
9. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
10. Catalogue of observed velocities
11. General Catalogue of Stellar Radial Velocities
12. A stellar rotation census of B stars: from ZAMS to TAMS