# Theta2 Orionis

> star in the constellation Orion

**Wikidata**: [Q3990377](https://www.wikidata.org/wiki/Q3990377)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Theta2_Orionis)  
**Source**: https://4ort.xyz/entity/theta2-orionis


## References

1. SIMBAD
2. The Galactic O-Star Spectroscopic Survey. I. Classification system and bright northern stars in the blue-violet at R ~ 2500
3. Variability of OB stars from TESS southern Sectors 1-13 and high-resolution IACOB and OWN spectroscopy
4. Catalogue of Stellar Photometry in Johnson's 11-color system
5. The luminosity and mass function of the Trapezium cluster: from B stars to the deuterium-burning limit
6. Gaia Early Data Release 3
7. SB9: The ninth catalogue of spectroscopic binary orbits
8. The IACOB project. III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars
9. Gaia Data Release 2
10. Stellar parameters and H α line profile variability of Be stars in the BeSOS survey