# Q66491450
**Wikidata**: [Q66491450](https://www.wikidata.org/wiki/Q66491450)  
**Source**: https://4ort.xyz/entity/q66491450


## References

1. Washington Double Star Catalog
2. Digital spectroscopy of O3-O5 and ON/OC supergiants in Cygnus
3. SIMBAD
4. Catalogue of Stellar Photometry in Johnson's 11-color system
5. Validation of the new Hipparcos reduction
6. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
7. The interstellar Ca II distance scale
8. Catalogue of rotational velocities of the stars