# Q74177144
**Wikidata**: [Q74177144](https://www.wikidata.org/wiki/Q74177144)  
**Source**: https://4ort.xyz/entity/q74177144


## 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. Washington Double Star Catalog
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Catalog of Galactic OB Stars
7. Gaia Data Release 2
8. A Radial Velocity Survey of the Cyg OB2 Association