# 5 Orionis

> star in the constellation Orion

**Wikidata**: [Q3599454](https://www.wikidata.org/wiki/Q3599454)  
**Source**: https://4ort.xyz/entity/5-orionis


## References

1. New Catalogue of Suspected Variable Stars
2. SIMBAD
3. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. Gaia Data Release 2
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Validation of the new Hipparcos reduction