# Upsilon Orionis

> star in the constellation Orion

**Wikidata**: [Q1668847](https://www.wikidata.org/wiki/Q1668847)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Upsilon_Orionis)  
**Source**: https://4ort.xyz/entity/upsilon-orionis


## References

1. SIMBAD
2. New Catalogue of Suspected Variable Stars
3. The Galactic O-Star Spectroscopic Survey. I. Classification system and bright northern stars in the blue-violet at R ~ 2500
4. Variability of OB stars from TESS southern Sectors 1-13 and high-resolution IACOB and OWN spectroscopy
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. The IACOB project. V. Spectroscopic parameters of the O-type stars in the modern grid of standards for spectral classification
10. Present-day cosmic abundances. A comprehensive study of nearby early B-type stars and implications for stellar and Galactic evolution and interstellar dust models
11. Validation of the new Hipparcos reduction
12. The chemical composition of the Orion star forming region. III. C, N, Ne, Mg, and Fe abundances in B-type stars revisited