# Q66547981

> spectroscopic binary in the constellation Cygnus

**Wikidata**: [Q66547981](https://www.wikidata.org/wiki/Q66547981)  
**Source**: https://4ort.xyz/entity/q66547981


## References

1. SIMBAD
2. Spectral classification of 239 early-type stars
3. Catalog of Galactic OB Stars
4. Gaia Data Release 2
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system