# Omicron1 Orionis

> star in the constellation Orion

**Wikidata**: [Q5176498](https://www.wikidata.org/wiki/Q5176498)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Omicron1_Orionis)  
**Source**: https://4ort.xyz/entity/omicron1-orionis


## References

1. SIMBAD
2. General Catalogue of Variable Stars
3. A catalogue of multiplicity among bright stellar systems
4. MK classification and photometry of stars used for time and latitude observations at Mizusawa and Washington
5. VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+, 2007-2017)
6. The Tycho-2 catalogue of the 2.5 million brightest stars
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Gaia Early Data Release 3
9. Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data
10. The atmospheric parameters and spectral interpolator for the MILES stars
11. Gaia Data Release 2
12. Medium-resolution Isaac Newton Telescope library of empirical spectra - II. The stellar atmospheric parameters
13. The chemical composition of red giants. I. Dredge-up in the M and MS stars